Okta (OKTA) 10-Q 27 May 21 2022 Q1 Quarterly report Financial data

Cover Page

Cover Page	3 Months Ended
	Apr. 30, 2021shares
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Apr. 30, 2021
Document Transition Report	false
Entity File Number	001-38044
Entity Registrant Name	Okta, Inc.
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	100 First Street, Suite 600
Entity Tax Identification Number	26-4175727
Entity Address, City or Town	San Francisco
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94105
City Area Code	888
Local Phone Number	722-7871
Title of 12(b) Security	Class A common stock, par value $0.0001 per share
Trading Symbol	OKTA
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Amendment Flag	false
Entity Central Index Key	0001660134
Current Fiscal Year End Date	--01-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Class A Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding	125,056,408
Class B Common Stock
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding	7,523,758

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Current assets:
Cash and cash equivalents	$ 659,886	$ 434,607
Short-term investments	2,030,180	2,121,584
Accounts receivable, net of allowances of $1,321 and $3,451	218,474	194,818
Deferred commissions	47,822	45,949
Prepaid expenses and other current assets	55,777	81,609
Total current assets	3,012,139	2,878,567
Property and equipment, net	62,515	62,783
Operating lease right-of-use assets	145,462	149,604
Deferred commissions, noncurrent	110,098	108,555
Intangible assets, net	24,190	27,009
Goodwill	48,023	48,023
Other assets	28,020	24,256
Total assets	3,430,447	3,298,797
Current liabilities:
Accounts payable	9,542	8,557
Accrued expenses and other current liabilities	108,727	53,729
Accrued compensation	48,244	71,906
Convertible senior notes, net	20,781	908,684
Deferred revenue	613,167	502,738
Total current liabilities	800,461	1,545,614
Convertible senior notes, net, noncurrent	1,751,326	857,387
Operating lease liabilities, noncurrent	173,467	179,518
Deferred revenue, noncurrent	11,745	10,860
Other liabilities, noncurrent	10,670	11,375
Total liabilities	2,747,669	2,604,754
Commitments and contingencies (Note 10)
Stockholders’ equity:
Preferred stock, par value $0.0001 per share; 100,000 shares authorized; no shares issued and outstanding as of April 30, 2021 and January 31, 2021	0	0
Additional paid-in capital	1,753,842	1,656,096
Accumulated other comprehensive income	5,610	5,390
Accumulated deficit	(1,076,688)	(967,456)
Total stockholders’ equity	682,778	694,043
Total liabilities and stockholders' equity	3,430,447	3,298,797
Class A Common Stock
Stockholders’ equity:
Common stock	13	12
Class B Common Stock
Stockholders’ equity:
Common stock	$ 1	$ 1

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Allowance for accounts receivable	$ 1,321	$ 3,451
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)	100,000,000	100,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Class A Common Stock
Common stock par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	125,056,000	122,824,000
Common stock, shares outstanding (in shares)	125,056,000	122,824,000
Class B Common Stock
Common stock par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	120,000,000	120,000,000
Common stock, shares issued (in shares)	7,524,000	8,159,000
Common stock, shares outstanding (in shares)	7,524,000	8,159,000

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Revenue:
Total revenue	$ 251,006	$ 182,859
Cost of revenue:
Total cost of revenue	66,123	48,486
Gross profit	184,883	134,373
Operating expenses:
Research and development	68,863	48,494
Sales and marketing	146,521	104,043
General and administrative	60,180	34,035
Total operating expenses	275,564	186,572
Operating loss	(90,681)	(52,199)
Interest expense	(22,760)	(10,764)
Interest income and other, net	4,355	4,899
Loss on conversion of debt	(136)	0
Interest and other, net	(18,541)	(5,865)
Loss before provision for (benefit from) income taxes	(109,222)	(58,064)
Provision for (benefit from) income taxes	10	(402)
Net loss	$ (109,232)	$ (57,662)
Net loss per share, basic (in dollars per share)	$ (0.83)	$ (0.47)
Net loss per share, diluted (in dollars per share)	$ (0.83)	$ (0.47)
Weighted-average shares outstanding, basic (in shares)	131,777	123,494
Weighted-average shares outstanding, diluted (in shares)	131,777	123,494
Subscription
Revenue:
Total revenue	$ 240,058	$ 173,781
Cost of revenue:
Total cost of revenue	52,398	37,157
Professional services and other
Revenue:
Total revenue	10,948	9,078
Cost of revenue:
Total cost of revenue	$ 13,725	$ 11,329

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (109,232)	$ (57,662)
Other comprehensive income:
Net change in unrealized gains or losses on available-for-sale securities	(813)	4,634
Foreign currency translation adjustments	1,033	(1,784)
Other comprehensive income	220	2,850
Comprehensive loss	$ (109,012)	$ (54,812)

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common stock and additional paid-in capital	Accumulated deficit	Accumulated other comprehensive income (loss)
Beginning balance at Jan. 31, 2020		$ 1,105,576	$ (701,124)	$ 892
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options and other activity, net		14,708
Issuance of common stock for bonus settlement		9,818
Stock-based compensation		38,038
Equity component of conversion of convertible senior notes		0
Proceeds from hedges related to convertible senior notes		0
Net loss	$ (57,662)		(57,662)
Other comprehensive income				2,850
Ending balance at Apr. 30, 2020	413,096	1,168,140	(758,786)	3,742
Beginning balance at Jan. 31, 2021	694,043	1,656,109	(967,456)	5,390
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options and other activity, net		18,214
Issuance of common stock for bonus settlement		0
Stock-based compensation		64,112
Equity component of conversion of convertible senior notes		15,420
Proceeds from hedges related to convertible senior notes		1
Net loss	(109,232)		(109,232)
Other comprehensive income				220
Ending balance at Apr. 30, 2021	$ 682,778	$ 1,753,856	$ (1,076,688)	$ 5,610

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Jan. 31, 2021	Apr. 30, 2021	Jan. 31, 2021	Apr. 30, 2020
Cash flows from operating activities:
Net loss	$ (109,232)	$ (57,662)
Adjustments to reconcile net loss to net cash provided by operating activities:
Stock-based compensation	64,112	37,728
Depreciation, amortization and accretion	13,134	5,466
Amortization of debt discount and issuance costs	21,331	10,357
Amortization of deferred commissions	11,816	8,680
Deferred income taxes	(829)	(905)
Non-cash charitable contributions	2,024	536
Loss on conversion of debt	136	0
Other, net	(3,804)	915
Changes in operating assets and liabilities:
Accounts receivable	(22,747)	18,250
Deferred commissions	(14,861)	(11,865)
Prepaid expenses and other assets	(3,861)	(3,493)
Operating lease right-of-use assets	5,072	4,055
Accounts payable	1,627	3,943
Accrued compensation	(23,837)	2,995
Accrued expenses and other liabilities	10,965	(2,773)
Operating lease liabilities	(6,285)	(4,270)
Deferred revenue	111,314	26,740
Net cash provided by operating activities	56,075	38,697
Cash flows from investing activities:
Capitalization of internal-use software costs	(10)	(1,000)
Purchases of property and equipment	(3,259)	(7,930)
Purchases of securities available for sale and other	(189,533)	(129,079)
Proceeds from maturities and redemption of securities available for sale	344,820	102,293
Proceeds from sales of securities available for sale and other	0	86,320
Purchases of intangible assets	(113)	0
Net cash provided by investing activities	151,905	50,604
Cash flows from financing activities:
Payments for conversions of convertible senior notes	(12)	0
Proceeds from hedges related to convertible senior notes	1	0
Proceeds from stock option exercises	16,190	14,172
Other, net	0	(5)
Net cash provided by financing activities	16,179	14,167
Effects of changes in foreign currency exchange rates on cash, cash equivalents and restricted cash	647	(1,128)
Net increase in cash, cash equivalents and restricted cash	224,806	102,340
Cash, cash equivalents and restricted cash at beginning of period	448,630	531,953	$ 531,953
Cash, cash equivalents and restricted cash at end of period	673,436	634,293	448,630
Cash paid during the period for:
Interest	707	784
Income taxes	542	209
Non-cash activities:
Issuance of common stock for repurchases and conversions of convertible senior notes	94,308	0
Benefit from exercise of hedges related to convertible senior notes	30,623	0
Operating lease right-of-use assets exchanged for lease liabilities	828	41,444
Issuance of common stock for bonus settlement	0	9,818
Reconciliation of cash, cash equivalents and restricted cash within the condensed consolidated balance sheets to the amounts shown in the condensed consolidated statements of cash flows above:
Cash and cash equivalents				$ 659,886	$ 434,607	$ 619,221
Restricted cash, current included in prepaid expenses and other current assets				4,082		2,254
Restricted cash, noncurrent included in other assets				9,468		12,818
Total cash, cash equivalents and restricted cash	$ 673,436	$ 634,293	$ 531,953	$ 673,436	$ 448,630	$ 634,293

Overview and Basis of Presentat

Overview and Basis of Presentation	3 Months Ended
	Apr. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Overview and Basis of Presentation	Overview and Basis of Presentation Description of Business Okta, Inc. (the “Company”) is the leading independent identity management platform for the enterprise. The Okta Identity Cloud enables the Company’s customers to securely connect the right people to the right technologies and services at the right time. The Company was incorporated in January 2009 as Saasure Inc., a California corporation, and was later reincorporated in April 2010 under the name Okta, Inc. as a Delaware corporation. The Company is headquartered in San Francisco, California. Basis of Presentation and Principles of Consolidation The accompanying unaudited condensed consolidated financial statements, which include the accounts of the Company and its wholly owned subsidiaries, have been prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”). All intercompany balances and transactions have been eliminated in consolidation. The condensed consolidated balance sheet as of January 31, 2021, included herein, was derived from the audited financial statements as of that date. The unaudited condensed consolidated financial statements reflect all normal recurring adjustments necessary to present fairly the results of operations for the interim periods presented, but are not necessarily indicative of the results of operations to be anticipated for the full fiscal year ending January 31, 2022 or any future period. The Company’s fiscal year ends on January 31. References to fiscal 2022, for example, refer to the fiscal year ending January 31, 2022. The condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes included in the Company’s Form 10-K filed with the Securities and Exchange Commission (“SEC”) on March 4, 2021. Use of Estimates The preparation of condensed consolidated financial statements in conformity with GAAP requires management to make estimates, judgments and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. The Company bases its estimates on historical experience and on other assumptions that its management believes are reasonable under the circumstances. Actual results could vary from those estimates. The Company’s most significant estimates include the stand alone selling price (“SSP”) for each distinct performance obligation included in customer contracts with multiple performance obligations, the determination of the period of benefit for deferred commissions, the determination of the effective interest rate of the liability components of its convertible senior notes, the determination of the incremental borrowing rate used for operating lease liabilities, the valuation of deferred income tax assets, and the valuation of acquired intangible assets. In March 2020, the World Health Organization (“WHO”) declared the outbreak of the novel coronavirus (“COVID-19”) a pandemic, which has continued to spread across the globe. The Company considered the impact of COVID-19 on the assumptions and estimates used and determined that there were no material adverse impacts on the condensed consolidated financial statements for the three months ended April 30, 2021 and 2020. As events continue to evolve and additional information becomes available, the Company’s assumptions and estimates may change materially in future periods.

Accounting Standards and Signif

Accounting Standards and Significant Accounting Policies	3 Months Ended
	Apr. 30, 2021
Accounting Policies [Abstract]
Accounting Standards and Significant Accounting Policies	Accounting Standards and Significant Accounting Policies Significant Accounting Policies The Company’s significant accounting policies are discussed in “Note 2. Summary of Significant Accounting Policies” in Item 8. Financial Statements and Supplementary Data of its Form 10-K for the fiscal year ended January 31, 2021. The Company further described its accounting policy for strategic investments below. There have been no significant changes to the Company’s significant accounting policies for the three months ended April 30, 2021. Strategic Investments The Company holds strategic equity investments in privately held companies that are included in Other assets on the condensed consolidated balance sheets. Investments in privately held companies without readily determinable fair values in which the Company does not own a controlling interest or have significant influence over are measured using the measurement alternative. In applying the measurement alternative, the Company adjusts the carrying values of strategic investments based on observable price changes from orderly transactions for identical or similar investments of the same issuer. Additionally, the Company evaluates its strategic investments at least quarterly for impairment. Adjustments and impairments are recorded in Interest and other, net on the condensed consolidated statements of operations. In determining the estimated fair value of its strategic investments in privately held companies, the Company uses the most recent data available to the Company. Valuations of privately held securities are inherently complex due to the lack of readily available market data and require the use of judgment. The determination of whether an orderly transaction is for an identical or similar investment requires significant Company judgment. In its evaluation, the Company considers factors such as differences in the rights and preferences of the investments and the extent to which those differences would affect the fair values of those investments. The Company’s impairment analysis encompasses an assessment of both qualitative and quantitative factors including the investee's financial metrics, market acceptance of the investee's product or technology, general market conditions and liquidity considerations. Concentrations of Significant Customers As of April 30, 2021 and January 31, 2021, no single customer represented greater than 10% of accounts receivable. For the three months ended April 30, 2021 and 2020, no single customer represented greater than 10% of revenue. Recent Accounting Pronouncements Not Yet Adopted In August 2020, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2020-06, Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity (“ASU 2020-06”), which simplifies the accounting for certain financial instruments with characteristics of liabilities and equity, including convertible instruments and contracts in an entity’s own equity. Among other changes, ASU 2020-06 removes from GAAP the liability and equity separation model for convertible instruments with a cash conversion feature, and as a result, after adoption, entities will no longer separately present in equity an embedded conversion feature for such debt. Similarly, the embedded conversion feature will no longer be amortized into income as interest expense over the life of the instrument. Instead, entities will account for a convertible debt instrument wholly as debt unless (1) a convertible instrument contains features that require bifurcation as a derivative under ASC Topic 815, Derivatives and Hedging, or (2) a convertible debt instrument was issued at a substantial premium. Among other potential impacts, this change is expected to reduce reported interest expense, increase reported net income, and result in a reclassification of certain conversion feature-related balance sheet amounts from stockholders’ equity to liabilities as it relates to the Company’s convertible senior notes. Additionally, ASU 2020-06 requires the application of the if-converted method to calculate the impact of convertible instruments on diluted earnings per share (“EPS”), which is consistent with the Company’s accounting treatment under the current standard. ASU 2020-06 is effective for fiscal years beginning after December 15, 2021, and the Company intends to adopt this standard using the modified retrospective method in its first quarter of fiscal 2023. The Company is currently evaluating the overall impact of this standard on its consolidated financial statements.

Cash Equivalents and Investment

Cash Equivalents and Investments	3 Months Ended
	Apr. 30, 2021
Investments, Debt and Equity Securities [Abstract]
Cash Equivalents and Investments	Cash Equivalents and Investments Cash Equivalents and Short-term Investments The amortized cost, unrealized gain (loss) and estimated fair value of the Company’s cash equivalents and short-term investments as of April 30, 2021 and January 31, 2021 were as follows (in thousands): As of April 30, 2021 Amortized Cost Unrealized Gain Unrealized Loss Estimated Fair Value (unaudited) Cash equivalents: Money market funds $ 182,188 $ — $ — $ 182,188 Corporate debt securities 6,412 — (1) 6,411 Total cash equivalents 188,600 — (1) 188,599 Short-term investments: U.S. treasury securities 1,830,721 1,037 (11) 1,831,747 Corporate debt securities 198,294 171 (32) 198,433 Total short-term investments 2,029,015 1,208 (43) 2,030,180 Total $ 2,217,615 $ 1,208 $ (44) $ 2,218,779 As of January 31, 2021 Amortized Cost Unrealized Gain Unrealized Loss Estimated Fair Value Cash equivalents: Money market funds $ 311,257 $ — $ — $ 311,257 Total cash equivalents 311,257 — — 311,257 Short-term investments: U.S. treasury securities 1,888,882 1,571 (22) 1,890,431 Corporate debt securities 230,726 429 (2) 231,153 Total short-term investments 2,119,608 2,000 (24) 2,121,584 Total $ 2,430,865 $ 2,000 $ (24) $ 2,432,841 All short-term investments were designated as available-for-sale securities as of April 30, 2021 and January 31, 2021. The following table presents the contractual maturities of the Company’s short-term investments as of April 30, 2021 (in thousands): As of April 30, 2021 Amortized Cost Estimated Fair Value (unaudited) Due within one year $ 1,439,815 $ 1,440,719 Due between one to five years 589,200 589,461 Total $ 2,029,015 $ 2,030,180 As of April 30, 2021 and January 31, 2021, the Company included $43.0 million and nil, respectively, of unsettled purchases of short-term investments in Accrued expenses and other current liabilities on the condensed consolidated balance sheets and nil and $31.0 million, respectively, of unsettled maturities of short-term investments included in Prepaid expenses and other current assets on the condensed consolidated balance sheets. The Company included $9.5 million and $10.5 million of interest receivable in Prepaid expenses and other current assets on the condensed consolidated balance sheets as of April 30, 2021 and January 31, 2021, respectively. The Company did not recognize an allowance for credit losses against interest receivable as of April 30, 2021 and January 31, 2021 because such potential losses were not material. The Company had 32 and 10 short-term investments in unrealized loss positions as of April 30, 2021 and January 31, 2021, respectively. There were no material gross unrealized gains or losses from available-for-sale securities and no material realized gains or losses from available-for-sale securities that were reclassified out of accumulated other comprehensive income for the three months ended April 30, 2021 or 2020. For available-for-sale debt securities that have unrealized losses, the Company evaluates whether (i) the Company has the intention to sell any of these investments, (ii) it is not more likely than not that the Company will be required to sell any of these available-for-sale debt securities before recovery of the entire amortized cost basis and (iii) the decline in the fair value of the investment is due to credit or non-credit related factors. Based on this evaluation, the Company determined that for short-term investments, there were no material credit or non-credit related impairments as of April 30, 2021 and January 31, 2021. Strategic Investments The Company's investments also include strategic equity investments in privately held companies, which do not have a readily determinable fair value. As of April 30, 2021 and January 31, 2021, the balance of such strategic investments was $7.8 million and $3.1 million, respectively.

Fair Value Measurements

Fair Value Measurements	3 Months Ended
	Apr. 30, 2021
Fair Value Disclosures [Abstract]
Fair Value Measurements	Fair Value Measurements The Company measures its financial assets at fair value each reporting period using a fair value hierarchy that prioritizes the use of observable inputs and minimizes the use of unobservable inputs when measuring fair value. A financial instrument’s classification within the fair value hierarchy is based upon the lowest level of input that is significant to the fair value measurement. Three levels of inputs may be used to measure as follows: Level 1—Valuations based on observable inputs that reflect quoted prices for identical assets or liabilities in active markets. Level 2—Valuations based on other inputs that are directly or indirectly observable in the marketplace. Level 3—Valuations based on unobservable inputs that are supported by little or no market activity. Assets and Liabilities Measured at Fair Value on a Recurring Basis The following table presents information about the Company’s financial assets that were measured at fair value on a recurring basis using the above input categories (in thousands): As of April 30, 2021 Level 1 Level 2 Level 3 Total (unaudited) Assets: Cash equivalents: Money market funds $ 182,188 $ — $ — $ 182,188 Corporate debt securities — 6,411 — 6,411 Total cash equivalents 182,188 6,411 — 188,599 Short-term investments: U.S. treasury securities — 1,831,747 — 1,831,747 Corporate debt securities — 198,433 — 198,433 Total short-term investments — 2,030,180 — 2,030,180 Total cash equivalents and short-term investments $ 182,188 $ 2,036,591 $ — $ 2,218,779 As of January 31, 2021 Level 1 Level 2 Level 3 Total Assets: Cash equivalents: Money market funds $ 311,257 $ — $ — $ 311,257 Total cash equivalents 311,257 — — 311,257 Short-term investments: U.S. treasury securities — 1,890,431 — 1,890,431 Corporate debt securities — 231,153 — 231,153 Total short-term investments — 2,121,584 — 2,121,584 Total cash equivalents and short-term investments $ 311,257 $ 2,121,584 $ — $ 2,432,841 The carrying amounts of certain financial instruments, including cash held in banks, accounts receivable and accounts payable, approximate fair value due to their short-term maturities and are excluded from the fair value table above. Fair Value Measurements of Other Financial Instruments The following table presents the carrying amounts and estimated fair values of the Company’s financial instruments that are not recorded at fair value on the condensed consolidated balance sheets (in thousands): As of April 30, 2021 Net Carrying Amount (1) Estimated Fair Value (unaudited) 2023 convertible senior notes $ 21,004 $ 135,535 2025 convertible senior notes $ 894,165 $ 1,671,938 2026 convertible senior notes $ 878,956 $ 1,516,563 (1) Before unamortized debt issuance costs. The principal amounts of the 2023 convertible senior notes (“2023 Notes”), the 2025 convertible senior notes (“2025 Notes”), and the 2026 convertible senior notes (“2026 Notes”, and together with the 2023 Notes and 2025 Notes, the “Notes”) are $23.1 million, $1,060.0 million, and $1,150.0 million, respectively. The difference between the principal amounts and the respective net carrying amounts, before unamortized debt issuance costs, represents the unamortized debt discount (See Note 8 for additional details). The estimated fair values of the Notes, which are Level 2 financial instruments, were determined based on the quoted bid prices of the Notes in an over-the-counter market on the last trading day of the reporting period. As of April 30, 2021, the difference between the net carrying amount of the Notes and their estimated fair values represented the equity conversion value premium the market assigned to the Notes.

Deferred Commissions

Deferred Commissions	3 Months Ended
	Apr. 30, 2021
Revenue from Contract with Customer [Abstract]
Deferred Commissions	Deferred CommissionsSales commissions capitalized as contract costs totaled $14.9 million and $11.9 million in the three months ended April 30, 2021 and 2020, respectively. Amortization of contract costs was $11.8 million and $8.7 million for the three months ended April 30, 2021 and 2020, respectively. There was no impairment loss in relation to the costs capitalized.Deferred Revenue and Performance Obligations Deferred Revenue Deferred revenue, which is a contract liability, consists primarily of payments received and accounts receivable recorded in advance of revenue recognition under the Company’s contracts with customers and is recognized as the revenue recognition criteria are met. Subscription revenue recognized during the three months ended April 30, 2021 and 2020 that was included in the deferred revenue balances at the beginning of the respective periods was $202.1 million and $147.0 million, respectively. Professional services and other revenue recognized in the three months ended April 30, 2021 and 2020 from deferred revenue balances at the beginning of the respective periods was not material. Transaction Price Allocated to the Remaining Performance Obligations Transaction price allocated to the remaining performance obligations represents all future, non-cancelable contracted revenue that has not yet been recognized, inclusive of deferred revenue that has been invoiced and non-cancelable amounts that will be invoiced and recognized as revenue in future periods. As of April 30, 2021, total remaining non-cancelable performance obligations under the Company’s subscription contracts with customers was approximately $1,889.8 million . Of this amount, the Company expects to recognize revenue of approximately $898.5 million, or 48%, over the next 12 months, with the balance to be recognized as revenue thereafter. Remaining performance obligations for professional services and other contracts as of April 30, 2021 were not material.

Goodwill and Intangible Assets,

Goodwill and Intangible Assets, net	3 Months Ended
	Apr. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets, net	Goodwill and Intangible Assets, net Goodwill As of April 30, 2021 and January 31, 2021, goodwill was $48.0 million. No goodwill impairments were recorded during the three months ended April 30, 2021 and 2020. Intangible Assets, net Intangible assets consisted of the following (in thousands): As of April 30, 2021 Gross Accumulated Amortization Write-offs Net (unaudited) Capitalized internal-use software costs $ 30,272 $ (20,775) $ — $ 9,497 Purchased developed technology 28,800 (14,288) — 14,512 Software licenses 239 (58) — 181 $ 59,311 $ (35,121) $ — $ 24,190 As of January 31, 2021 Gross Accumulated Amortization Write-offs Net Capitalized internal-use software costs $ 30,259 $ (19,478) $ — $ 10,781 Purchased developed technology 28,800 (12,694) — 16,106 Software licenses 126 (4) — 122 $ 59,185 $ (32,176) $ — $ 27,009 As of April 30, 2021, and January 31, 2021, the remaining weighted-average useful life of all purchased developed technology was 2.9 years and 3.1 years, respectively.

Deferred Revenue and Performanc

Deferred Revenue and Performance Obligations	3 Months Ended
	Apr. 30, 2021
Revenue from Contract with Customer [Abstract]
Deferred Revenue and Performance Obligations	Deferred CommissionsSales commissions capitalized as contract costs totaled $14.9 million and $11.9 million in the three months ended April 30, 2021 and 2020, respectively. Amortization of contract costs was $11.8 million and $8.7 million for the three months ended April 30, 2021 and 2020, respectively. There was no impairment loss in relation to the costs capitalized.Deferred Revenue and Performance Obligations Deferred Revenue Deferred revenue, which is a contract liability, consists primarily of payments received and accounts receivable recorded in advance of revenue recognition under the Company’s contracts with customers and is recognized as the revenue recognition criteria are met. Subscription revenue recognized during the three months ended April 30, 2021 and 2020 that was included in the deferred revenue balances at the beginning of the respective periods was $202.1 million and $147.0 million, respectively. Professional services and other revenue recognized in the three months ended April 30, 2021 and 2020 from deferred revenue balances at the beginning of the respective periods was not material. Transaction Price Allocated to the Remaining Performance Obligations Transaction price allocated to the remaining performance obligations represents all future, non-cancelable contracted revenue that has not yet been recognized, inclusive of deferred revenue that has been invoiced and non-cancelable amounts that will be invoiced and recognized as revenue in future periods. As of April 30, 2021, total remaining non-cancelable performance obligations under the Company’s subscription contracts with customers was approximately $1,889.8 million . Of this amount, the Company expects to recognize revenue of approximately $898.5 million, or 48%, over the next 12 months, with the balance to be recognized as revenue thereafter. Remaining performance obligations for professional services and other contracts as of April 30, 2021 were not material.

Convertible Senior Notes, Net

Convertible Senior Notes, Net	3 Months Ended
	Apr. 30, 2021
Debt Disclosure [Abstract]
Convertible Senior Notes, Net	Convertible Senior Notes, Net 2023 Convertible Senior Notes The 2023 Notes are senior, unsecured obligations of the Company, and bear interest at a fixed rate of 0.25% per year. Interest is payable in cash semi-annually in arrears on February 15 and August 15 of each year, beginning on August 15, 2018. The 2023 Notes mature on February 15, 2023 unless earlier repurchased or converted. The Company may not redeem the 2023 Notes prior to maturity. The total net proceeds from the 2023 Notes, after deducting initial purchasers’ discounts and debt issuance costs, was $335.0 million. In September 2019, the Company used part of the net proceeds from the issuance of the 2025 Notes to repurchase a portion of the 2023 Notes, which consisted of a repurchase of $224.4 million aggregate principal amount of the 2023 Notes in privately-negotiated transactions, for aggregate consideration of $604.8 million, consisting of approximately $224.4 million in cash and approximately 3.0 million shares of Class A common stock (“First Partial Repurchase of 2023 Notes”). The $604.8 million in aggregate consideration was allocated between the debt and equity components in the amounts of $197.7 million and $407.1 million respectively, using an effective interest rate of 4.00% to determine the fair value of the liability component. As of the repurchase date, the carrying value of the notes subject to the First Partial Repurchase of 2023 Notes, net of unamortized debt discount and issuance costs, was $183.1 million. The First Partial Repurchase of 2023 Notes resulted in a $14.6 million loss on early debt extinguishment during the year ended January 31, 2020, of which $3.8 million consisted of unamortized debt issuance costs. In June 2020, the Company used part of the net proceeds from the issuance of the 2026 Notes to repurchase a portion of the 2023 Notes, which consisted of a repurchase of $69.9 million aggregate principal amount of the 2023 Notes in privately-negotiated transactions, for aggregate consideration of $260.5 million, consisting of approximately $0.2 million in cash and approximately 1.4 million shares of Class A common stock (“Second Partial Repurchase of 2023 Notes”, and together with the First Partial Repurchase of 2023 Notes, the “2023 Notes Partial Repurchases”). The $260.5 million in aggregate consideration was allocated between the debt and equity components in the amounts of $61.8 million and $198.7 million respectively, using an effective interest rate of 4.90% to determine the fair value of the liability component. As of the repurchase date, the carrying value of the notes subject to the Second Partial Repurchase of 2023 Notes, net of unamortized debt discount and issuance costs, was $59.6 million. The Second Partial Repurchase of 2023 Notes resulted in a $2.2 million loss on early debt extinguishment during the year ended January 31, 2021, of which $1.0 million consisted of unamortized debt issuance costs. The interest rates used in the 2023 Notes Partial Repurchases were based on the income and market based approaches used to determine the effective interest rate of the 2025 Notes and 2026 Notes, adjusted for the remaining tenor of the 2023 Notes. As of April 30, 2021, $23.1 million of principal remained outstanding on the 2023 Notes. The terms of the 2023 Notes are governed by an Indenture by and between the Company and Wilmington Trust, National Association, as Trustee (the “2023 Indenture”). Upon conversion, the 2023 Notes may be settled in cash, shares of Class A common stock or a combination of cash and shares of Class A common stock, at the Company’s election. The 2023 Notes are convertible at an initial conversion rate of 20.6795 shares of Class A common stock per $1,000 principal amount of the 2023 Notes, which is equal to an initial conversion price of approximately $48.36 per share of Class A common stock, subject to adjustment under certain circumstances in accordance with the terms of the 2023 Indenture. Prior to the close of business on the business day immediately preceding October 15, 2022, holders of the 2023 Notes may convert all or a portion of their 2023 Notes only in multiples of $1,000 principal amount, under the following circumstances: • during any fiscal quarter commencing after the fiscal quarter ending on April 30, 2018 (and only during such fiscal quarter), if the last reported sale price of Class A common stock for at least 20 trading days (whether or not consecutive) during the period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding fiscal quarter is greater than or equal to 130% of the conversion price of the 2023 Notes on each applicable trading day; • during the five business day period after any five consecutive trading day period in which the trading price per $1,000 principal amount of the 2023 Notes for each trading day of that five consecutive trading day period was less than 98% of the product of the last reported sale price of Class A common stock and the conversion rate on such trading day; or • upon the occurrence of specified corporate events, as described in the 2023 Indenture. On or after October 15, 2022 until the close of business on the second scheduled trading day immediately preceding the maturity date, holders may convert all or any portion of their 2023 Notes regardless of the foregoing circumstances. For at least 20 trading days during the period of 30 consecutive trading days ended April 30, 2021, the last reported sale price of the Company’s common stock was equal to or exceeded 130% of the conversion price of the 2023 Notes on each applicable trading day. As a result, the 2023 Notes are convertible at the option of the holders during the fiscal quarter ending July 31, 2021 and were classified as current liabilities on the condensed consolidated balance sheet as of April 30, 2021. During the three months ended April 30, 2021, the Company issued approximately 0.4 million shares of Class A common stock and paid an immaterial amount in cash to settle approximately $17.1 million principal amount of 2023 Notes. The loss on early note conversion was not material. During the three months ended April 30, 2021, the Company received additional conversion requests, and approximately $2.9 million aggregate principal amount of the 2023 Notes were primarily settled in shares of Class A common stock during the three months ending July 31, 2021. No requests to convert material amounts of the 2023 Notes are currently outstanding. Holders of the 2023 Notes who convert their 2023 Notes in connection with certain corporate events that constitute a make-whole fundamental change (as defined in the 2023 Indenture) are, under certain circumstances, entitled to an increase in the conversion rate. Additionally, in the event of a corporate event that constitutes a fundamental change (as defined in the 2023 Indenture), holders of the 2023 Notes may require the Company to repurchase all or a portion of their 2023 Notes at a price equal to 100% of the principal amount of the 2023 Notes being repurchased, plus any accrued and unpaid interest. In accounting for the issuance of the 2023 Notes, the Company separated the 2023 Notes into liability and equity components, using an effective interest rate of 5.68% to determine the fair value of the liability component. This interest rate was based on both an income and a market based approach. For the income approach, the Company used a convertible bond pricing model, which included several assumptions including volatility and the risk-free rate. For the market approach, the Company observed the price of the Note Hedges (see below) it purchased for its 2023 Notes and also performed an evaluation of issuances of convertible debt securities by other companies with similar credit risk ratings at the time of issuance. The following table sets forth total interest expense recognized related to the 2023 Notes (in thousands): Three Months Ended 2021 2020 (unaudited) Contractual interest expense $ 20 $ 75 Amortization of debt issuance costs 38 127 Amortization of debt discount 383 1,370 Total $ 441 $ 1,572 Total initial issuance costs of $10.0 million related to the 2023 Notes were allocated between liability and equity in the same proportion as the allocation of the total proceeds to the liability and equity components. Issuance costs attributable to the liability component are being amortized to interest expense over the respective term of the 2023 Notes using the effective interest rate method. The issuance costs attributable to the equity component were netted against the respective equity component in Additional paid-in capital. The Company initially recorded liability issuance costs of $7.7 million and equity issuance costs of $2.3 million. The 2023 Notes, net consisted of the following (in thousands): As of April 30, 2021 (unaudited) Liability component: Principal $ 23,112 Less: unamortized debt issuance costs and debt discount (2,331) Net carrying amount $ 20,781 As of April 30, 2021 (unaudited) Equity component: 2023 Notes $ 5,357 Less: issuance costs (155) Carrying amount of the equity component (1) $ 5,202 (1) Included in the condensed consolidated balance sheets within Additional paid-in capital. Note Hedges In connection with the pricing of the 2023 Notes, the Company entered into convertible note hedges with respect to its Class A common stock (the “Note Hedges”). The Note Hedges are purchased call options that give the Company the option to purchase, subject to anti-dilution adjustments substantially identical to those in the 2023 Notes, approximately 7.1 million shares of its Class A common stock for approximately $48.36 per share (subject to adjustment), corresponding to the approximate initial conversion price of the 2023 Notes, exercisable upon conversion of the 2023 Notes. The Note Hedges will expire in 2023, if not exercised earlier. The Note Hedges are intended to offset potential dilution to the Company’s Class A common stock and/or offset the potential cash payments that the Company could be required to make in excess of the principal amount upon any conversion of the 2023 Notes under certain circumstances. The Note Hedges are separate transactions and are not part of the terms of the 2023 Notes. The Company paid an aggregate amount of $80.0 million for the Note Hedges. The amount paid for the Note Hedges was recorded as a reduction to Additional paid-in capital in the condensed consolidated balance sheets. In September 2019 and in June 2020, and in connection with the First Partial Repurchase of 2023 Notes and Second Partial Repurchase of 2023 Notes, the Company terminated Note Hedges corresponding to approximately 4.6 million and 1.4 million shares for cash proceeds of $405.9 million and $195.0 million, respectively. The proceeds were recorded as an increase to Additional paid-in capital in the condensed consolidated balance sheets. During the three months ended April 30, 2021, the Company exercised and net-share-settled Note Hedges corresponding to approximately $7.5 million principal amount of 2023 Notes and received approximately 0.1 million shares of Class A common stock and an immaterial cash payment. During the three months ended April 30, 2021, the Company exercised Note Hedges corresponding to approximately $9.6 million principal amount of 2023 Notes that are expected to be net-share-settled in the second quarter of fiscal 2022, and subsequent to April 30, 2021, the Company further exercised an immaterial amount of Note Hedges. As of April 30, 2021, Note Hedges giving the Company the option to purchase approximately 0.7 million shares (subject to adjustment), which excludes the exercised portion expected to be net-share-settled in the second quarter of fiscal 2022, remained outstanding. Warrants In connection with the issuance of the 2023 Notes, the Company also entered into separate warrant transactions pursuant to which it sold net-share-settled (or, at the Company’s election subject to certain conditions, cash-settled) warrants (the “Warrants”) to acquire, subject to anti-dilution adjustments, up to approximately 7.1 million shares over 80 scheduled trading days beginning in May 2023 of the Company’s Class A common stock at an initial exercise price of approximately $68.06 per share (subject to adjustment). If the Warrants are not exercised on their exercise dates, they will expire. If the market value per share of the Company’s Class A common stock exceeds the applicable exercise price of the Warrants, the Warrants could have a dilutive effect on the Company’s Class A common stock unless, subject to the terms of the Warrants, the Company elects to cash settle the Warrants. The Warrants are separate transactions and are not part of the terms of the 2023 Notes or the Note Hedges. The Company received aggregate proceeds of $52.4 million from the sale of the Warrants in connection with the 2023 Notes. The proceeds from the sale of the Warrants were recorded as an increase to Additional paid-in capital in the condensed consolidated balance sheets. In September 2019 and in June 2020, and in connection with the First Partial Repurchase of 2023 Notes and Second Partial Repurchase of 2023 Notes, the Company terminated Warrants corresponding to approximately 4.6 million and 1.4 million shares for total cash payments of $358.6 million and $175.4 million, respectively. The termination payments were recorded as a decrease to Additional paid-in capital in the condensed consolidated balance sheets. As of April 30, 2021, Warrants to acquire up to approximately 1.0 million shares (subject to adjustment) remained outstanding. 2025 Convertible Senior Notes The 2025 Notes are senior, unsecured obligations of the Company, and bear interest at a fixed rate of 0.125% per year. Interest is payable in cash semi-annually in arrears on March 1 and September 1 of each year, beginning on March 1, 2020. The 2025 Notes mature on September 1, 2025 unless earlier redeemed, repurchased or converted. The total net proceeds from the 2025 Notes, after deducting initial purchasers’ discounts and debt issuance costs, were $1,040.7 million. The terms of the 2025 Notes are governed by an Indenture by and between the Company and Wilmington Trust, National Association, as Trustee (the “2025 Indenture”). Upon conversion, the 2025 Notes may be settled in cash, shares of Class A common stock or a combination of cash and shares of Class A common stock, at the Company’s election. The 2025 Notes are convertible at an initial conversion rate of 5.2991 shares of Class A common stock per $1,000 principal amount of the 2025 Notes, which is equal to an initial conversion price of approximately $188.71 per share of Class A common stock, subject to adjustment under certain circumstances in accordance with the terms of the 2025 Indenture. Prior to the close of business on the business day immediately preceding June 1, 2025, holders of the 2025 Notes may convert all or a portion of their 2025 Notes only in multiples of $1,000 principal amount, under the following circumstances: • during any fiscal quarter commencing after the fiscal quarter ending on January 31, 2020 (and only during such fiscal quarter), if the last reported sale price of Class A common stock for at least 20 trading days (whether or not consecutive) during the period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding fiscal quarter is greater than or equal to 130% of the conversion price of the 2025 Notes on each applicable trading day; • during the five business day period after any five consecutive trading day period in which the trading price per $1,000 principal amount of the 2025 Notes for each trading day of that five consecutive trading day period was less than 98% of the product of the last reported sale price of Class A common stock and the conversion rate on such trading day; • if the Company calls the notes for redemption, at any time prior to the close of business on the second scheduled trading day immediately preceding the redemption date; or • upon the occurrence of specified corporate events, as described in the 2025 Indenture. On or after June 1, 2025 until the close of business on the second scheduled trading day immediately preceding the maturity date, holders may convert all or any portion of their 2025 Notes regardless of the foregoing circumstances. During the three months ended April 30, 2021, the conditions allowing holders of the 2025 Notes to convert during the three months ending July 31, 2021 were no longer met, and as a result, the 2025 Notes were classified as noncurrent liabilities as of April 30, 2021. No requests to convert material amounts of the 2025 Notes are currently outstanding. The Company may redeem for cash all or any portion of the 2025 Notes, at its option, on or after September 6, 2022, if the last reported sale price of the Company’s Class A common stock has been at least 130% of the conversion price then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period (including the last trading day of such period) ending on and including the trading day preceding the date on which the Company provides notice of redemption at a redemption price equal to 100% of the principal amount of the 2025 Notes to be redeemed, plus any accrued and unpaid interest to, but excluding, the redemption date. During the three months ended April 30, 2021, the Company did not redeem any of the 2025 Notes. Holders of the 2025 Notes who convert their 2025 Notes in connection with certain corporate events that constitute a make-whole fundamental change (as defined in the 2025 Indenture) or in connection with the Company’s issuance of a redemption notice are, under certain circumstances, entitled to an increase in the conversion rate. Additionally, in the event of a corporate event that constitutes a fundamental change (as defined in the 2025 Indenture), holders of the 2025 Notes may require the Company to repurchase all or a portion of their 2025 Notes at a price equal to 100% of the principal amount of the 2025 Notes being repurchased, plus any accrued and unpaid interest. In accounting for the issuance of the 2025 Notes, the Company separated the 2025 Notes into liability and equity components using an effective interest rate of 4.10% to determine the fair value of the liability component. This interest rate was based on both an income and a market based approach. For the income approach, the Company used a convertible bond pricing model, which included several assumptions including volatility and the risk-free rate. For the market approach, the Company performed an evaluation of issuances of convertible debt securities by other companies with similar credit risk ratings at the time of issuance. The following table sets forth total interest expense recognized related to the 2025 Notes (in thousands): Three Months Ended 2021 2020 (unaudited) Contractual interest expense $ 331 $ 331 Amortization of debt issuance costs 556 506 Amortization of debt discount 8,700 8,354 Total $ 9,587 $ 9,191 Total issuance costs of $19.3 million related to the 2025 Notes were allocated between liability and equity in the same proportion as the allocation of the total proceeds to the liability and equity components. Issuance costs attributable to the liability component are being amortized to interest expense over the respective term of the 2025 Notes using the effective interest rate method. The issuance costs attributable to the equity component were netted against the respective equity component in Additional paid-in capital. The Company recorded liability issuance costs of $15.3 million and equity issuance costs of $4.0 million. The 2025 Notes, net consisted of the following (in thousands): As of April 30, 2021 (unaudited) Liability component: Principal $ 1,060,000 Less: unamortized debt issuance costs and debt discount (177,715) Net carrying amount $ 882,285 At Issuance Equity component: 2025 Notes $ 221,387 Less: issuance costs (4,040) Carrying amount of the equity component (1) $ 217,347 (1) Included in the condensed consolidated balance sheets within Additional paid-in capital. 2025 Capped Calls In connection with the pricing of the 2025 Notes, the Company entered into capped call transactions with respect to its Class A common stock (the “2025 Capped Calls”). The 2025 Capped Calls are purchased call options that give the Company the option to purchase, subject to anti-dilution adjustments substantially identical to those in the 2025 Notes, approximately 5.6 million shares of its Class A common stock for approximately $188.71 per share (subject to adjustment), corresponding to the approximate initial conversion price of the 2025 Notes, exercisable upon conversion of the 2025 Notes. The 2025 Capped Calls have initial cap prices of $255.88 per share (subject to adjustment) and will expire in 2025, if not exercised earlier. The 2025 Capped Calls are intended to offset potential dilution to the Company’s Class A common stock and/or offset the potential cash payments that the Company could be required to make in excess of the principal amount upon any conversion of the 2025 Notes under certain circumstances. The 2025 Capped Calls are separate transactions and are not part of the terms of the 2025 Notes. The Company paid an aggregate amount of $74.1 million for the 2025 Capped Calls. The amount paid for the 2025 Capped Calls was recorded as a reduction to Additional paid-in capital in the condensed consolidated balance sheets. 2026 Convertible Senior Notes The 2026 Notes are senior, unsecured obligations of the Company, and bear interest at a fixed rate of 0.375% per year. Interest is payable in cash semi-annually in arrears on June 15 and December 15 of each year, beginning on December 15, 2020. The 2026 Notes mature on June 15, 2026 unless earlier redeemed, repurchased or converted. The total net proceeds from the 2026 Notes, after deducting initial purchasers’ discounts and debt issuance costs, were $1,134.8 million. The terms of the 2026 Notes are governed by an Indenture by and between the Company and Wilmington Trust, National Association, as Trustee (the “2026 Indenture”, and together with the 2023 Indenture and 2025 Indenture, the “Indentures”). Upon conversion, the 2026 Notes may be settled in cash, shares of Class A common stock or a combination of cash and shares of Class A common stock, at the Company’s election. The 2026 Notes are convertible at an initial conversion rate of 4.1912 shares of Class A common stock per $1,000 principal amount of the 2026 Notes, which is equal to an initial conversion price of approximately $238.60 per share of Class A common stock, subject to adjustment under certain circumstances in accordance with the terms of the Indenture. Prior to the close of business on the business day immediately preceding March 15, 2026, holders of the 2026 Notes may convert all or a portion of their 2026 Notes only in multiples of $1,000 principal amount, under the following circumstances: • during any fiscal quarter commencing after the fiscal quarter ending on October 31, 2020 (and only during such fiscal quarter), if the last reported sale price of the Company’s Class A common stock for at least 20 trading days (whether or not consecutive) during the period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding fiscal quarter is greater than or equal to 130% of the conversion price of the 2026 Notes on each applicable trading day; • during the five business day period after any five consecutive trading day period in which the trading price per $1,000 principal amount of the 2026 Notes for each trading day of that five consecutive trading day period was less than 98% of the product of the last reported sale price of the Company’s Class A common stock and the conversion rate on such trading day; • if the Company calls the notes for redemption, at any time prior to the close of business on the second scheduled trading day immediately preceding the redemption date; or • upon the occurrence of specified corporate events, as described in the 2026 Indenture. On or after March 15, 2026 until the close of business on the second scheduled trading day immediately preceding the maturity date, holders may convert all or any portion of their 2026 Notes regardless of the foregoing circumstances. During the three months ended April 30, 2021, the conditions allowing holders of the 2026 Notes to convert were not met. The Company may redeem for cash all or any portion of the 2026 Notes, at its option, on or after June 20, 2023, if the last reported sale price of the Company’s Class A common stock has been at least 130% of the conversion price then in effect for at least 20 trading days (whether or not consecutive), including the trading day immediately preceding the date on which we provide notice of redemption, during any 30 consecutive trading day period ending on and including the trading day preceding the date on which we provide notice of redemption price equal to 100% of the principal amount of the notes to be redeemed, plus any accrued and unpaid interest to, but excluding, the redemption date. During the three months ended April 30, 2021, the Company did not redeem any of the 2026 Notes. Holders of the 2026 Notes who convert their 2026 Notes in connection with certain corporate events that constitute a make-whole fundamental change (as defined in the Indenture) or in connection with the Company’s issuance of a redemption notice are, under certain circumstances, entitled to an increase in the conversion rate. Additionally, in the event of a corporate event that constitutes a fundamental change (as defined in the Indenture), holders of the 2026 Notes may require the Company to repurchase all or a portion of their 2026 Notes at a price equal to 100% of the principal amount of the 2026 Notes being repurchased, plus any accrued and unpaid interest. In accounting for the issuance of the 2026 Notes, the Company separated the 2026 Notes into liability and equity components using an effective interest rate of 5.75% to determine the fair value of the liability component. This interest rate was based on both an income and a market based approach. For the income approach, the Company used a convertible bond pricing model, which included several assumptions including volatility, the risk-free rate and observable trading activity for the Company’s existing Notes. For the market approach, the Company performed an evaluation of issuances of convertible debt securities by other companies with similar credit risk ratings at the time of issuance. The following table sets forth total interest expense recognized related to the 2026 Notes (in thousands): Three Months Ended 2021 (unaudited) Contractual interest expense $ 1,078 Amortization of debt issuance costs 340 Amortization of debt discount 11,314 Total $ 12,732 Total issuance costs of $15.2 million related to the 2026 Notes were allocated between liability and equity in the same proportion as the allocation of the total proceeds to the liability and equity components. Issuance costs attributable to the liability component are being amortized to interest expense over the respective term of the 2026 Notes using the effective interest rate method. The issuance costs attributable to the equity component were netted against the respective equity component in Additional paid-in capital. The Company recorded liability issuance costs of $11.1 million and equity issuance costs of $4.1 million. The 2026 Notes, net consisted of the following (in thousands): As of April 30, 2021 (unaudited) Liability component: Principal $ 1,150,000 Less: unamortized debt issuance costs and debt discount (280,959) Net carrying amount $ 869,041 At Issuance Equity component: 2026 Notes $ 310,311 Less: issuance costs (4,090) Carrying amount of the equity component (1) $ 306,221 (1) Included in the condensed consolidated balance sheets within Additional paid-in capital. 2026 Capped Calls In connection with the pricing of the 2026 Notes, the Company entered into capped call transactions with respect to its Class A common stock (the “2026 Capped Calls”). The 2026 Capped Calls are purchased call options that give the Company the option to purchase, subject to anti-dilution adjustments substantially identical to those in the 2026 Notes, approximately 4.8 million shares of its Class A common stock for approximately $238.60 per share (subject to adjustment), corresponding to the approximate initial conversion price of the 2026 Notes, exercisable upon conversion of the 2026 Notes. The 2026 Capped Calls have initial cap prices of $360.14 per share (subject to adjustment) and will expire in 2026, if not exercised earlier. The 2026 Capped Calls are intended to offset potential dilution to the Company’s Class A common stock and/or offset the potential cash payments that the Company could be required to make in excess of the principal amount upon any conversion of the 2026 Notes under certain circumstances. The 2026 Capped Calls are separate transactions and are not part of the terms of the 2026 Notes.

Leases

Leases	3 Months Ended
	Apr. 30, 2021
Leases [Abstract]
Leases	Leases The Company has entered into various non-cancelable office space operating leases with original lease periods expiring between 2023 and 2028. These leases do not contain material variable rent payments, residual value guarantees, covenants or other restrictions. Operating lease costs were as follows (in thousands): Three Months Ended 2021 2020 (unaudited) Operating lease cost (1) $ 8,837 $ 7,370 (1) Amounts are presented exclusive of sublease income and include short-term leases, which are immaterial. The weighted-average remaining term of the Company’s operating leases was 6.6 years and 6.8 years as of April 30, 2021 and January 31, 2021, respectively, and the weighted-average discount rate used to measure the present value of the operating lease liabilities was 5.6% as of April 30, 2021 and January 31, 2021. Maturities of the Company’s operating lease liabilities, which do not include short-term leases, were as follows (in thousands): As of April 30, 2021 (unaudited) 2022 $ 25,396 2023 38,752 2024 38,856 2025 36,312 2026 26,863 Thereafter 73,135 Total lease payments 239,314 Less imputed interest (41,501) Total operating lease liabilities $ 197,813 Cash payments included in the measurement of the Company’s operating lease liabilities were $9.1 million and $7.1 million for the three months ended April 30, 2021 and 2020, respectively. No impairment charges for operating lease right-of-use assets were recorded during the three months ended April 30, 2021 and 2020, respectively.

Commitments and Contingencies

Commitments and Contingencies	3 Months Ended
	Apr. 30, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Letters of Credit In conjunction with the execution of certain office space operating leases, letters of credit in the aggregate amount of $10.8 million and $11.2 million were issued and outstanding as of April 30, 2021 and January 31, 2021, respectively. No draws have been made under such letters of credit. Noncurrent restricted cash of $8.6 million associated with these letters of credit is included in Other assets on the condensed consolidated balance sheets as of April 30, 2021 and January 31, 2021. Legal Matters

Employee Incentive Plans

Employee Incentive Plans	3 Months Ended
	Apr. 30, 2021
Share-based Payment Arrangement [Abstract]
Employee Incentive Plans	Employee Incentive Plans The Company’s equity incentive plans provide for granting stock options, restricted stock units (“RSUs”) and restricted stock awards to employees, consultants, officers and directors. In addition, the Company offers an Employee Stock Purchase Plan (“ESPP”) to eligible employees. Stock-based compensation expense was recorded in the following cost and expense categories in the Company’s condensed consolidated statements of operations (in thousands): Three Months Ended 2021 2020 (unaudited) Cost of revenue Subscription $ 7,250 $ 3,975 Professional services and other 2,342 1,811 Research and development 20,093 11,935 Sales and marketing 21,066 11,160 General and administrative 13,361 8,847 Total $ 64,112 $ 37,728 Equity Incentive Plans The Company has two equity incentive plans: the 2009 Stock Plan (“2009 Plan”) and the 2017 Equity Incentive Plan (“2017 Plan”). All shares that remain available for future grants are under the 2017 Plan. As of April 30, 2021, options to purchase 1,586,610 shares of Class A common stock and 6,522,253 shares of Class B common stock remained outstanding. Shares of common stock reserved for future issuance were as follows: As of April 30, 2021 (unaudited) Stock options and unvested RSUs outstanding 13,221,003 Available for future stock option and RSU grants 25,245,306 Available for ESPP 5,942,927 44,409,236 Stock Options A summary of the Company’s stock option activity and related information was as follows: Number of Options Weighted- Average Exercise Price Weighted- Average Remaining Contractual Term (Years) Aggregate Intrinsic Value (in thousands) Outstanding as of January 31, 2021 8,250,113 $ 18.93 5.6 $ 1,980,668 Granted 697,144 274.89 Exercised (786,753) 20.58 Canceled (51,641) 93.82 Outstanding as of April 30, 2021 (unaudited) 8,108,863 $ 40.30 5.7 $ 1,863,785 As of April 30, 2021 Vested and exercisable (unaudited) 6,665,149 $ 11.44 5.0 $ 1,721,356 As of April 30, 2021, there was a total of $111.6 million of unrecognized stock-based compensation expense related to options, which is being recognized over a weighted-average period of 2.6 years. Restricted Stock Units A summary of the Company’s RSU activities and related information was as follows: Number of Weighted- Outstanding as of January 31, 2021 4,452,107 $ 122.90 Granted 1,370,078 235.97 Vested (572,769) 91.76 Forfeited (137,276) 121.59 Outstanding as of April 30, 2021 (unaudited) 5,112,140 $ 156.75 As of April 30, 2021, there was $750.8 million of unrecognized stock-based compensation expense related to unvested RSUs, which is being recognized over a weighted-average period of 2.7 years based on vesting under the award service conditions. Employee Stock Purchase Plan

Income Taxes

Income Taxes	3 Months Ended
	Apr. 30, 2021
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes For the three months ended April 30, 2021, the Company recorded an immaterial income tax provision on pretax losses of $109.2 million. The effective tax rate for the three months ended April 30, 2021 was approximately 0.0%. The effective tax rate differs from the statutory rate primarily as a result of not recognizing deferred tax assets for U.S. losses due to a full valuation allowance against U.S. deferred tax assets and income tax expense related to profitable foreign jurisdictions, U.S. state taxes and excess tax benefits from stock-based compensation in the United Kingdom. For the three months ended April 30, 2020, the Company recorded a tax benefit of $0.4 million on a pretax losses of $58.1 million. The effective tax rate for the three months ended April 30, 2020 was 0.7%. The effective tax rate differs from the statutory rate primarily as a result of not recognizing deferred tax assets for U.S. losses due to a full valuation allowance against U.S. deferred tax assets and excess tax benefits from stock-based compensation in the United Kingdom. The tax benefit recognized for the three months ended April 30, 2020 was partially offset by income tax expense in profitable foreign jurisdictions and U.S. state taxes.

Net Loss Per Share

Net Loss Per Share	3 Months Ended
	Apr. 30, 2021
Earnings Per Share [Abstract]
Net Loss Per Share	Net Loss Per Share The following table presents the calculation of basic and diluted net loss per share (in thousands, except per share data): Three Months Ended 2021 2020 Class A Class B Class A Class B (unaudited) Numerator: Net loss $ (102,612) $ (6,620) $ (53,684) $ (3,978) Denominator: Weighted-average shares outstanding, basic and diluted 123,791 7,986 114,975 8,519 Net loss per share, basic and diluted $ (0.83) $ (0.83) $ (0.47) $ (0.47) As the Company was in a loss position for all periods presented, basic net loss per share is the same as diluted net loss per share as the inclusion of all potential common shares outstanding would have been anti-dilutive. Potentially dilutive securities that were not included in the diluted per share calculations because they would be anti-dilutive were as follows (in thousands): As of April 30, 2021 2020 (unaudited) Issued and outstanding stock options 8,109 11,167 Unvested RSUs issued and outstanding 5,112 4,890 Unvested shares subject to repurchase — 3 Shares committed under the ESPP 131 244 Shares related to the 2023 Notes 478 2,494 Shares subject to warrants related to the issuance of the 2023 Notes 1,048 2,494 Shares related to the 2025 Notes 5,617 5,617 Shares related to the 2026 Notes 4,820 — 25,315 26,909 The Company uses the if-converted method for calculating any potential dilutive effect of the conversion options embedded in the Notes on diluted net income per share, if applicable. The conversion options of the 2023,

Subsequent Events

Subsequent Events	3 Months Ended
	Apr. 30, 2021
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsOn May 3, 2021, the Company completed its acquisition of Auth0, Inc. ("Auth0"). The Company provided total consideration, net of acquired cash and subject to final adjustments, of approximately $6.5 billion, including approximately 20.4 million shares of the Company's Class A common stock (the "Stock Consideration"), $268.7 million in cash, and equity awards convertible into shares with a fair market value of $700.2 million based upon our closing stock price as of April 30, 2021. Approximately $325.0 million of the consideration was held back by the Company to secure the indemnification obligations of the Auth0 securityholders arising during the twelve months following the closing. In addition, the Company established a retention pool in an aggregate amount of approximately $25.0 million that will be allocated to certain Auth0 employees in accordance with the terms of the Merger Agreement. The retention awards will vest consistent with Okta’s standard RSU vesting periods and terms.

Accounting Standards and Sign_2

Accounting Standards and Significant Accounting Policies (Policies)	3 Months Ended
	Apr. 30, 2021
Accounting Policies [Abstract]
Basis of Presentation	The accompanying unaudited condensed consolidated financial statements, which include the accounts of the Company and its wholly owned subsidiaries, have been prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”).
Principles of Consolidation	All intercompany balances and transactions have been eliminated in consolidation. The condensed consolidated balance sheet as of January 31, 2021, included herein, was derived from the audited financial statements as of that date. The unaudited condensed consolidated financial statements reflect all normal recurring adjustments necessary to present fairly the results of operations for the interim periods presented, but are not necessarily indicative of the results of operations to be anticipated for the full fiscal year ending January 31, 2022 or any future period.
Fiscal Period	The Company’s fiscal year ends on January 31. References to fiscal 2022, for example, refer to the fiscal year ending January 31, 2022.
Use of Estimates	The preparation of condensed consolidated financial statements in conformity with GAAP requires management to make estimates, judgments and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. The Company bases its estimates on historical experience and on other assumptions that its management believes are reasonable under the circumstances. Actual results could vary from those estimates. The Company’s most significant estimates include the stand alone selling price (“SSP”) for each distinct performance obligation included in customer contracts with multiple performance obligations, the determination of the period of benefit for deferred commissions, the determination of the effective interest rate of the liability components of its convertible senior notes, the determination of the incremental borrowing rate used for operating lease liabilities, the valuation of deferred income tax assets, and the valuation of acquired intangible assets. In March 2020, the World Health Organization (“WHO”) declared the outbreak of the novel coronavirus (“COVID-19”) a pandemic, which has continued to spread across the globe. The Company considered the impact of COVID-19 on the assumptions and estimates used and determined that there were no material adverse impacts on the condensed consolidated financial statements for the three months ended April 30, 2021 and 2020. As events continue to evolve and additional information becomes available, the Company’s assumptions and estimates may change materially in future periods.
Strategic Investments	The Company holds strategic equity investments in privately held companies that are included in Other assets on the condensed consolidated balance sheets. Investments in privately held companies without readily determinable fair values in which the Company does not own a controlling interest or have significant influence over are measured using the measurement alternative. In applying the measurement alternative, the Company adjusts the carrying values of strategic investments based on observable price changes from orderly transactions for identical or similar investments of the same issuer. Additionally, the Company evaluates its strategic investments at least quarterly for impairment. Adjustments and impairments are recorded in Interest and other, net on the condensed consolidated statements of operations. In determining the estimated fair value of its strategic investments in privately held companies, the Company uses the most recent data available to the Company. Valuations of privately held securities are inherently complex due to the lack of readily available market data and require the use of judgment. The determination of whether an orderly transaction is for an identical or similar investment requires significant Company judgment. In its evaluation, the Company considers factors such as differences in the rights and preferences of the investments and the extent to which those differences would affect the fair values of those investments. The Company’s impairment analysis encompasses an assessment of both qualitative and quantitative factors including the investee's financial metrics, market acceptance of the investee's product or technology, general market conditions and liquidity considerations.
Recent Accounting Pronouncements Not Yet Adopted	In August 2020, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2020-06, Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity (“ASU 2020-06”), which simplifies the accounting for certain financial instruments with characteristics of liabilities and equity, including convertible instruments and contracts in an entity’s own equity. Among other changes, ASU 2020-06 removes from GAAP the liability and equity separation model for convertible instruments with a cash conversion feature, and as a result, after adoption, entities will no longer separately present in equity an embedded conversion feature for such debt. Similarly, the embedded conversion feature will no longer be amortized into income as interest expense over the life of the instrument. Instead, entities will account for a convertible debt instrument wholly as debt unless (1) a convertible instrument contains features that require bifurcation as a derivative under ASC Topic 815, Derivatives and Hedging, or (2) a convertible debt instrument was issued at a substantial premium. Among other potential impacts, this change is expected to reduce reported interest expense, increase reported net income, and result in a reclassification of certain conversion feature-related balance sheet amounts from stockholders’ equity to liabilities as it relates to the Company’s convertible senior notes. Additionally, ASU 2020-06 requires the application of the if-converted method to calculate the impact of convertible instruments on diluted earnings per share (“EPS”), which is consistent with the Company’s accounting treatment under the current standard. ASU 2020-06 is effective for fiscal years beginning after December 15, 2021, and the Company intends to adopt this standard using the modified retrospective method in its first quarter of fiscal 2023. The Company is currently evaluating the overall impact of this standard on its consolidated financial statements.

Cash Equivalents and Investme_2

Cash Equivalents and Investments (Tables)	3 Months Ended
	Apr. 30, 2021
Investments, Debt and Equity Securities [Abstract]
Schedule of Amortized Costs, Unrealized Gains and Losses and Estimated Fair Value of Cash Equivalents and Short-term Investments	The amortized cost, unrealized gain (loss) and estimated fair value of the Company’s cash equivalents and short-term investments as of April 30, 2021 and January 31, 2021 were as follows (in thousands): As of April 30, 2021 Amortized Cost Unrealized Gain Unrealized Loss Estimated Fair Value (unaudited) Cash equivalents: Money market funds $ 182,188 $ — $ — $ 182,188 Corporate debt securities 6,412 — (1) 6,411 Total cash equivalents 188,600 — (1) 188,599 Short-term investments: U.S. treasury securities 1,830,721 1,037 (11) 1,831,747 Corporate debt securities 198,294 171 (32) 198,433 Total short-term investments 2,029,015 1,208 (43) 2,030,180 Total $ 2,217,615 $ 1,208 $ (44) $ 2,218,779 As of January 31, 2021 Amortized Cost Unrealized Gain Unrealized Loss Estimated Fair Value Cash equivalents: Money market funds $ 311,257 $ — $ — $ 311,257 Total cash equivalents 311,257 — — 311,257 Short-term investments: U.S. treasury securities 1,888,882 1,571 (22) 1,890,431 Corporate debt securities 230,726 429 (2) 231,153 Total short-term investments 2,119,608 2,000 (24) 2,121,584 Total $ 2,430,865 $ 2,000 $ (24) $ 2,432,841
Schedule of Contractual Maturities of Short-term Investments	The following table presents the contractual maturities of the Company’s short-term investments as of April 30, 2021 (in thousands): As of April 30, 2021 Amortized Cost Estimated Fair Value (unaudited) Due within one year $ 1,439,815 $ 1,440,719 Due between one to five years 589,200 589,461 Total $ 2,029,015 $ 2,030,180

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	3 Months Ended
	Apr. 30, 2021
Fair Value Disclosures [Abstract]
Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis	The following table presents information about the Company’s financial assets that were measured at fair value on a recurring basis using the above input categories (in thousands): As of April 30, 2021 Level 1 Level 2 Level 3 Total (unaudited) Assets: Cash equivalents: Money market funds $ 182,188 $ — $ — $ 182,188 Corporate debt securities — 6,411 — 6,411 Total cash equivalents 182,188 6,411 — 188,599 Short-term investments: U.S. treasury securities — 1,831,747 — 1,831,747 Corporate debt securities — 198,433 — 198,433 Total short-term investments — 2,030,180 — 2,030,180 Total cash equivalents and short-term investments $ 182,188 $ 2,036,591 $ — $ 2,218,779 As of January 31, 2021 Level 1 Level 2 Level 3 Total Assets: Cash equivalents: Money market funds $ 311,257 $ — $ — $ 311,257 Total cash equivalents 311,257 — — 311,257 Short-term investments: U.S. treasury securities — 1,890,431 — 1,890,431 Corporate debt securities — 231,153 — 231,153 Total short-term investments — 2,121,584 — 2,121,584 Total cash equivalents and short-term investments $ 311,257 $ 2,121,584 $ — $ 2,432,841
Schedule of Carrying Amounts and Estimated Fair Values of Convertible Note	The following table presents the carrying amounts and estimated fair values of the Company’s financial instruments that are not recorded at fair value on the condensed consolidated balance sheets (in thousands): As of April 30, 2021 Net Carrying Amount (1) Estimated Fair Value (unaudited) 2023 convertible senior notes $ 21,004 $ 135,535 2025 convertible senior notes $ 894,165 $ 1,671,938 2026 convertible senior notes $ 878,956 $ 1,516,563

Goodwill and Intangible Asset_2

Goodwill and Intangible Assets, net (Tables)	3 Months Ended
	Apr. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Intangible Assets, net	Intangible assets consisted of the following (in thousands): As of April 30, 2021 Gross Accumulated Amortization Write-offs Net (unaudited) Capitalized internal-use software costs $ 30,272 $ (20,775) $ — $ 9,497 Purchased developed technology 28,800 (14,288) — 14,512 Software licenses 239 (58) — 181 $ 59,311 $ (35,121) $ — $ 24,190 As of January 31, 2021 Gross Accumulated Amortization Write-offs Net Capitalized internal-use software costs $ 30,259 $ (19,478) $ — $ 10,781 Purchased developed technology 28,800 (12,694) — 16,106 Software licenses 126 (4) — 122 $ 59,185 $ (32,176) $ — $ 27,009

Convertible Senior Notes, Net (

Convertible Senior Notes, Net (Tables)	3 Months Ended
	Apr. 30, 2021
Debt Disclosure [Abstract]
Schedule of Interest Expense	The following table sets forth total interest expense recognized related to the 2023 Notes (in thousands): Three Months Ended 2021 2020 (unaudited) Contractual interest expense $ 20 $ 75 Amortization of debt issuance costs 38 127 Amortization of debt discount 383 1,370 Total $ 441 $ 1,572 Three Months Ended 2021 2020 (unaudited) Contractual interest expense $ 331 $ 331 Amortization of debt issuance costs 556 506 Amortization of debt discount 8,700 8,354 Total $ 9,587 $ 9,191 Three Months Ended 2021 (unaudited) Contractual interest expense $ 1,078 Amortization of debt issuance costs 340 Amortization of debt discount 11,314 Total $ 12,732
Schedule of Liability and Equity Component of 2023. 2025 and 2026 Notes	The 2023 Notes, net consisted of the following (in thousands): As of April 30, 2021 (unaudited) Liability component: Principal $ 23,112 Less: unamortized debt issuance costs and debt discount (2,331) Net carrying amount $ 20,781 As of April 30, 2021 (unaudited) Equity component: 2023 Notes $ 5,357 Less: issuance costs (155) Carrying amount of the equity component (1) $ 5,202 (1) Included in the condensed consolidated balance sheets within Additional paid-in capital. The 2025 Notes, net consisted of the following (in thousands): As of April 30, 2021 (unaudited) Liability component: Principal $ 1,060,000 Less: unamortized debt issuance costs and debt discount (177,715) Net carrying amount $ 882,285 At Issuance Equity component: 2025 Notes $ 221,387 Less: issuance costs (4,040) Carrying amount of the equity component (1) $ 217,347 (1) Included in the condensed consolidated balance sheets within Additional paid-in capital. The 2026 Notes, net consisted of the following (in thousands): As of April 30, 2021 (unaudited) Liability component: Principal $ 1,150,000 Less: unamortized debt issuance costs and debt discount (280,959) Net carrying amount $ 869,041 At Issuance Equity component: 2026 Notes $ 310,311 Less: issuance costs (4,090) Carrying amount of the equity component (1) $ 306,221 (1) Included in the condensed consolidated balance sheets within Additional paid-in capital.

Leases (Tables)

Leases (Tables)	3 Months Ended
	Apr. 30, 2021
Leases [Abstract]
Schedule of Operating Lease Costs	Operating lease costs were as follows (in thousands): Three Months Ended 2021 2020 (unaudited) Operating lease cost (1) $ 8,837 $ 7,370 (1) Amounts are presented exclusive of sublease income and include short-term leases, which are immaterial.
Schedule of Maturities of Operating Leases	Maturities of the Company’s operating lease liabilities, which do not include short-term leases, were as follows (in thousands): As of April 30, 2021 (unaudited) 2022 $ 25,396 2023 38,752 2024 38,856 2025 36,312 2026 26,863 Thereafter 73,135 Total lease payments 239,314 Less imputed interest (41,501) Total operating lease liabilities $ 197,813

Employee Incentive Plans (Table

Employee Incentive Plans (Tables)	3 Months Ended
	Apr. 30, 2021
Share-based Payment Arrangement [Abstract]
Schedule of Stock-based Compensation Expense by Statement of Operations Location	Stock-based compensation expense was recorded in the following cost and expense categories in the Company’s condensed consolidated statements of operations (in thousands): Three Months Ended 2021 2020 (unaudited) Cost of revenue Subscription $ 7,250 $ 3,975 Professional services and other 2,342 1,811 Research and development 20,093 11,935 Sales and marketing 21,066 11,160 General and administrative 13,361 8,847 Total $ 64,112 $ 37,728
Schedule of Shares of Common Stock Reserved for Future Issuance	Shares of common stock reserved for future issuance were as follows: As of April 30, 2021 (unaudited) Stock options and unvested RSUs outstanding 13,221,003 Available for future stock option and RSU grants 25,245,306 Available for ESPP 5,942,927 44,409,236
Schedule of Stock Option Activity	A summary of the Company’s stock option activity and related information was as follows: Number of Options Weighted- Average Exercise Price Weighted- Average Remaining Contractual Term (Years) Aggregate Intrinsic Value (in thousands) Outstanding as of January 31, 2021 8,250,113 $ 18.93 5.6 $ 1,980,668 Granted 697,144 274.89 Exercised (786,753) 20.58 Canceled (51,641) 93.82 Outstanding as of April 30, 2021 (unaudited) 8,108,863 $ 40.30 5.7 $ 1,863,785 As of April 30, 2021 Vested and exercisable (unaudited) 6,665,149 $ 11.44 5.0 $ 1,721,356
Schedule of Nonvested Restricted Stock Units Activity	A summary of the Company’s RSU activities and related information was as follows: Number of Weighted- Outstanding as of January 31, 2021 4,452,107 $ 122.90 Granted 1,370,078 235.97 Vested (572,769) 91.76 Forfeited (137,276) 121.59 Outstanding as of April 30, 2021 (unaudited) 5,112,140 $ 156.75

Net Loss Per Share (Tables)

Net Loss Per Share (Tables)	3 Months Ended
	Apr. 30, 2021
Earnings Per Share [Abstract]
Schedule of Basic and Diluted Net Loss Per Share	The following table presents the calculation of basic and diluted net loss per share (in thousands, except per share data): Three Months Ended 2021 2020 Class A Class B Class A Class B (unaudited) Numerator: Net loss $ (102,612) $ (6,620) $ (53,684) $ (3,978) Denominator: Weighted-average shares outstanding, basic and diluted 123,791 7,986 114,975 8,519 Net loss per share, basic and diluted $ (0.83) $ (0.83) $ (0.47) $ (0.47)
Schedule of Potentially Dilutive Securities Excluded from Diluted Per Share Calculation	Potentially dilutive securities that were not included in the diluted per share calculations because they would be anti-dilutive were as follows (in thousands): As of April 30, 2021 2020 (unaudited) Issued and outstanding stock options 8,109 11,167 Unvested RSUs issued and outstanding 5,112 4,890 Unvested shares subject to repurchase — 3 Shares committed under the ESPP 131 244 Shares related to the 2023 Notes 478 2,494 Shares subject to warrants related to the issuance of the 2023 Notes 1,048 2,494 Shares related to the 2025 Notes 5,617 5,617 Shares related to the 2026 Notes 4,820 — 25,315 26,909

Cash Equivalents and Investme_3

Cash Equivalents and Investments - Schedule of Amortized Costs, Unrealized Gains and Losses and Estimated Fair Value of Cash Equivalents and Short-term Investments (Details) - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Cash Equivalents and Short-term Investments [Abstract]
Amortized Cost	$ 2,217,615	$ 2,430,865
Unrealized Gain	1,208	2,000
Unrealized Loss	(44)	(24)
Estimated Fair Value	2,218,779	2,432,841
Cash Equivalents
Cash Equivalents and Short-term Investments [Abstract]
Amortized Cost	188,600	311,257
Unrealized Gain	0	0
Unrealized Loss	(1)	0
Estimated Fair Value	188,599	311,257
Cash Equivalents | Money market funds
Cash Equivalents and Short-term Investments [Abstract]
Amortized Cost	182,188	311,257
Unrealized Gain	0	0
Unrealized Loss	0	0
Estimated Fair Value	182,188	311,257
Cash Equivalents | Corporate debt securities
Cash Equivalents and Short-term Investments [Abstract]
Amortized Cost	6,412
Unrealized Gain	0
Unrealized Loss	(1)
Estimated Fair Value	6,411
Short-term Investments
Cash Equivalents and Short-term Investments [Abstract]
Amortized Cost	2,029,015	2,119,608
Unrealized Gain	1,208	2,000
Unrealized Loss	(43)	(24)
Estimated Fair Value	2,030,180	2,121,584
Short-term Investments | U.S. treasury securities
Cash Equivalents and Short-term Investments [Abstract]
Amortized Cost	1,830,721	1,888,882
Unrealized Gain	1,037	1,571
Unrealized Loss	(11)	(22)
Estimated Fair Value	1,831,747	1,890,431
Short-term Investments | Corporate debt securities
Cash Equivalents and Short-term Investments [Abstract]
Amortized Cost	198,294	230,726
Unrealized Gain	171	429
Unrealized Loss	(32)	(2)
Estimated Fair Value	$ 198,433	$ 231,153

Cash Equivalents and Investme_4

Cash Equivalents and Investments - Schedule of Contractual Maturities of Short-term Investments (Details) - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Amortized Cost
Amortized Cost	$ 2,217,615	$ 2,430,865
Estimated Fair Value
Estimated fair value	2,218,779	2,432,841
Short-term Investments
Amortized Cost
Amortized cost, due within one year	1,439,815
Amortized cost, due between one to five years	589,200
Amortized Cost	2,029,015	2,119,608
Estimated Fair Value
Estimated fair value, due within one year	1,440,719
Estimated fair value, due between one to five years	589,461
Estimated fair value	$ 2,030,180	$ 2,121,584

Cash Equivalents and Investme_5

Cash Equivalents and Investments - Narrative (Details)	3 Months Ended		12 Months Ended
	Apr. 30, 2021USD ($)investment	Apr. 30, 2020USD ($)	Jan. 31, 2021USD ($)investment
Investments, Debt and Equity Securities [Abstract]
Short-term investments, purchases unsettled	$ 43,000,000		$ 0
Short-term investments, maturities unsettled	0		31,000,000
Interest receivable	$ 9,500,000		$ 10,500,000
Number of short-term investments in unrealized loss positions (in investments) | investment	32		10
Gross unrealized gains or losses from available-for-sale securities	$ 0	$ 0
Realized gains or losses reclassified out of accumulated other comprehensive income	0	$ 0
Other-than-temporary impairment short term investment	0		$ 0
Strategic investments without a readily determinable fair value	$ 7,800,000		$ 3,100,000

Fair Value Measurements - Sched

Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Assets:
Cash equivalents, fair value	$ 188,599	$ 311,257
Short term investments, fair value	2,030,180	2,121,584
Total cash equivalents and short-term investments	2,218,779	2,432,841
U.S. treasury securities
Assets:
Short term investments, fair value	1,831,747	1,890,431
Corporate debt securities
Assets:
Short term investments, fair value	198,433	231,153
Money market funds
Assets:
Cash equivalents, fair value	182,188	311,257
Corporate debt securities
Assets:
Cash equivalents, fair value	6,411
Level 1
Assets:
Cash equivalents, fair value	182,188	311,257
Short term investments, fair value	0	0
Total cash equivalents and short-term investments	182,188	311,257
Level 1 | U.S. treasury securities
Assets:
Short term investments, fair value	0	0
Level 1 | Corporate debt securities
Assets:
Short term investments, fair value	0	0
Level 1 | Money market funds
Assets:
Cash equivalents, fair value	182,188	311,257
Level 1 | Corporate debt securities
Assets:
Cash equivalents, fair value	0
Level 2
Assets:
Cash equivalents, fair value	6,411	0
Short term investments, fair value	2,030,180	2,121,584
Total cash equivalents and short-term investments	2,036,591	2,121,584
Level 2  | U.S. treasury securities
Assets:
Short term investments, fair value	1,831,747	1,890,431
Level 2  | Corporate debt securities
Assets:
Short term investments, fair value	198,433	231,153
Level 2  | Money market funds
Assets:
Cash equivalents, fair value	0	0
Level 2  | Corporate debt securities
Assets:
Cash equivalents, fair value	6,411
Level 3
Assets:
Cash equivalents, fair value	0	0
Short term investments, fair value	0	0
Total cash equivalents and short-term investments	0	0
Level 3 | U.S. treasury securities
Assets:
Short term investments, fair value	0	0
Level 3 | Corporate debt securities
Assets:
Short term investments, fair value	0	0
Level 3 | Money market funds
Assets:
Cash equivalents, fair value	0	$ 0
Level 3 | Corporate debt securities
Assets:
Cash equivalents, fair value	$ 0

Fair Value Measurements - Sch_2

Fair Value Measurements - Schedule of Carrying Amounts and Estimated Fair Values of Convertible Note (Details) - Senior Notes $ in Thousands	Apr. 30, 2021USD ($)
Net Carrying Amount | 2023 convertible senior notes
Debt Instrument [Line Items]
Convertible senior notes	$ 21,004
Net Carrying Amount | 2025 convertible senior notes
Debt Instrument [Line Items]
Convertible senior notes	894,165
Net Carrying Amount | 2026 convertible senior notes
Debt Instrument [Line Items]
Convertible senior notes	878,956
Estimated Fair Value | 2023 convertible senior notes
Debt Instrument [Line Items]
Convertible senior notes	135,535
Estimated Fair Value | 2025 convertible senior notes
Debt Instrument [Line Items]
Convertible senior notes	1,671,938
Estimated Fair Value | 2026 convertible senior notes
Debt Instrument [Line Items]
Convertible senior notes	$ 1,516,563

Fair Value Measurements - Narra

Fair Value Measurements - Narrative (Details) $ / shares in Units, $ in Thousands	Apr. 30, 2021USD ($)$ / shares
Debt Instrument [Line Items]
Closing price of common stock (in dollars per share) | $ / shares	$ 269.70
2023 convertible senior notes | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 23,112
2025 convertible senior notes | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	1,060,000
2026 convertible senior notes | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 1,150,000

Deferred Commissions (Details)

Deferred Commissions (Details) - USD ($)	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Revenue from Contract with Customer [Abstract]
Sales commissions capitalized as contract costs	$ 14,900,000	$ 11,900,000
Amortization of contract costs	11,800,000	8,700,000
Impairment loss related to costs capitalized	$ 0	$ 0

Goodwill and Intangible Asset_3

Goodwill and Intangible Assets, net - Narrative (Details) - USD ($)	3 Months Ended		12 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Jan. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 48,023,000		$ 48,023,000
Goodwill impairments	0	$ 0
Intangible amortization expense	$ 2,900,000	$ 2,800,000
Purchased developed technology
Finite-Lived Intangible Assets [Line Items]
Useful life of purchased developed technology	2 years 10 months 24 days		3 years 1 month 6 days

Goodwill and Intangible Asset_4

Goodwill and Intangible Assets, net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 30, 2021	Jan. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross	$ 59,311	$ 59,185
Accumulated Amortization	(35,121)	(32,176)
Write-offs	0	0
Net	24,190	27,009
Capitalized internal-use software costs
Finite-Lived Intangible Assets [Line Items]
Gross	30,272	30,259
Accumulated Amortization	(20,775)	(19,478)
Write-offs	0	0
Net	9,497	10,781
Purchased developed technology
Finite-Lived Intangible Assets [Line Items]
Gross	28,800	28,800
Accumulated Amortization	(14,288)	(12,694)
Write-offs	0	0
Net	14,512	16,106
Software licenses
Finite-Lived Intangible Assets [Line Items]
Gross	239	126
Accumulated Amortization	(58)	(4)
Write-offs	0	0
Net	$ 181	$ 122

Deferred Revenue and Performa_2

Deferred Revenue and Performance Obligations (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Revenue from Contract with Customer [Abstract]
Revenue recognized that was included in the contract liability balance	$ 202.1	$ 147
Revenue from remaining performance obligations	1,889.8
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-05-01
Revenue from Contract with Customer [Abstract]
Revenue from remaining performance obligations	$ 898.5
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percentage	48.00%
Performance obligations expected to be satisfied, expected timing	12 months

Convertible Senior Notes, Net -

Convertible Senior Notes, Net - Convertible Senior Notes (Details) $ / shares in Units, shares in Millions	1 Months Ended		3 Months Ended			12 Months Ended
	Jun. 30, 2020USD ($)shares	Sep. 30, 2019USD ($)shares	Jul. 31, 2021USD ($)	Apr. 30, 2021USD ($)tradingDay$ / sharesshares	Apr. 30, 2020USD ($)	Jan. 31, 2021USD ($)	Jan. 31, 2020USD ($)
Debt Instrument [Line Items]
Loss on early extinguishment of debt				$ 136,000	$ 0
2023 convertible senior notes
Debt Instrument [Line Items]
Limitation on sale of common stock due to sale price threshold (in days) | tradingDay				80
2025 convertible senior notes
Debt Instrument [Line Items]
Redemption price percentage				130.00%
2026 convertible senior notes
Debt Instrument [Line Items]
Redemption price percentage				130.00%
Senior Notes | 2023 convertible senior notes
Debt Instrument [Line Items]
Fixed interest rate				0.25%
Net proceeds from notes				$ 335,000,000
Debt repurchased, total consideration		$ 224,400,000
Debt repurchase, total consideration	$ 260,500,000	604,800,000
Consideration allocated to debt component	61,800,000	197,700,000
Consideration allocated to equity component	$ 198,700,000	$ 407,100,000
Effective interest rate	4.90%	4.00%		5.68%
Face amount of debt instrument	$ 59,600,000	$ 183,100,000
Loss on early extinguishment of debt						$ 2,200,000	$ 14,600,000
Issuance costs				$ 10,000,000			$ 3,800,000
Senior notes	69,900,000
Debt repurchase, cash portion	$ 200,000
Write off of deferred debt issuance cost						$ 1,000,000
Aggregate principal amount				$ 23,112,000
Initial conversion rate of common stock				0.0206795
Conversion price (in dollars per share) | $ / shares				$ 48.36
Limitation on sale of common stock (in days) | tradingDay				20
Limitation on sale of common stock due to sale price threshold (in days) | tradingDay				30
Threshold percentage of stock price trigger				130.00%
Period after consecutive trading days | tradingDay				5
Percentage of closing sale price in excess of convertible notes				98.00%
Limit within threshold of consecutive trading days | tradingDay				20
Original debt amount				$ 17,100,000
Redemption price percentage				100.00%
Issuance costs attributable to liability component				$ 7,700,000
Senior Notes | 2023 convertible senior notes | Subsequent Event
Debt Instrument [Line Items]
Original debt amount			$ 2,900,000
Senior Notes | 2025 convertible senior notes
Debt Instrument [Line Items]
Fixed interest rate				0.125%
Effective interest rate				4.10%
Issuance costs				$ 19,300,000
Aggregate principal amount				$ 1,060,000,000
Initial conversion rate of common stock				0.0052991
Conversion price (in dollars per share) | $ / shares				$ 188.71
Limitation on sale of common stock due to sale price threshold (in days) | tradingDay				30
Period after consecutive trading days | tradingDay				5
Percentage of closing sale price in excess of convertible notes				98.00%
Limit within threshold of consecutive trading days | tradingDay				20
Redemption price percentage				100.00%
Redemption face amount				$ 0
Issuance costs attributable to liability component				$ 15,300,000
Sales price as a percentage of conversion price				130.00%
Proceeds from issuance of debt				$ 1,040,700,000
Senior Notes | 2026 convertible senior notes
Debt Instrument [Line Items]
Fixed interest rate				0.375%
Effective interest rate				5.75%
Issuance costs				$ 15,200,000
Aggregate principal amount				$ 1,150,000,000
Initial conversion rate of common stock				0.0041912
Conversion price (in dollars per share) | $ / shares				$ 238.60
Limitation on sale of common stock due to sale price threshold (in days) | tradingDay				30
Period after consecutive trading days | tradingDay				5
Percentage of closing sale price in excess of convertible notes				98.00%
Limit within threshold of consecutive trading days | tradingDay				20
Redemption price percentage				100.00%
Redemption face amount				$ 0
Issuance costs attributable to liability component				$ 11,100,000
Sales price as a percentage of conversion price				130.00%
Proceeds from issuance of debt				$ 1,134,800,000
Additional Paid-in Capital | Senior Notes | 2023 convertible senior notes
Debt Instrument [Line Items]
Issuance costs attributable to equity component				2,300,000
Equity component, unamortized discount issuance costs				155,000
Additional Paid-in Capital | Senior Notes | 2025 convertible senior notes
Debt Instrument [Line Items]
Equity component, unamortized discount issuance costs				4,040,000
Additional Paid-in Capital | Senior Notes | 2026 convertible senior notes
Debt Instrument [Line Items]
Equity component, unamortized discount issuance costs				$ 4,090,000
Class A Common Stock | Senior Notes | 2023 convertible senior notes
Debt Instrument [Line Items]
Shares of class a common stock transferred (in shares) | shares	1.4	3
Shares issued during the period | shares				0.4

Convertible Senior Notes, Net_2

Convertible Senior Notes, Net - Schedule of Interest Expense (Details) - Senior Notes - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
2023 convertible senior notes
Debt Instrument [Line Items]
Contractual interest expense	$ 20	$ 75
Amortization of debt issuance costs	38	127
Amortization of debt discount	383	1,370
Total	441	1,572
2025 convertible senior notes
Debt Instrument [Line Items]
Contractual interest expense	331	331
Amortization of debt issuance costs	556	506
Amortization of debt discount	8,700	8,354
Total	9,587	$ 9,191
2026 convertible senior notes
Debt Instrument [Line Items]
Contractual interest expense	1,078
Amortization of debt issuance costs	340
Amortization of debt discount	11,314
Total	$ 12,732

Convertible Senior Notes, Net_3

Convertible Senior Notes, Net - Schedule of Liability and Equity Component of Notes (Details) - Senior Notes $ in Thousands	Apr. 30, 2021USD ($)
2023 convertible senior notes
Liability component:
Principal	$ 23,112
Less: unamortized debt issuance costs and debt discount	(2,331)
Net carrying amount	20,781
2025 convertible senior notes
Liability component:
Principal	1,060,000
Less: unamortized debt issuance costs and debt discount	(177,715)
Net carrying amount	882,285
2026 convertible senior notes
Liability component:
Principal	1,150,000
Less: unamortized debt issuance costs and debt discount	(280,959)
Net carrying amount	869,041
Additional Paid-in Capital | 2023 convertible senior notes
Equity component:
Equity component	5,357
Less: issuance costs	(155)
Carrying amount of the equity component	5,202
Additional Paid-in Capital | 2025 convertible senior notes
Equity component:
Equity component	221,387
Less: issuance costs	(4,040)
Carrying amount of the equity component	217,347
Additional Paid-in Capital | 2026 convertible senior notes
Equity component:
Equity component	310,311
Less: issuance costs	(4,090)
Carrying amount of the equity component	$ 306,221

Convertible Senior Notes, Net_4

Convertible Senior Notes, Net - Note Hedges, Warrants and Capped Calls (Details) $ / shares in Units, shares in Thousands, $ in Millions	1 Months Ended		3 Months Ended
	Jun. 30, 2020USD ($)shares	Sep. 30, 2019USD ($)shares	Apr. 30, 2021USD ($)tradingDay$ / sharesshares	Apr. 30, 2020shares
Debt Instrument [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)			25,315	26,909
2023 convertible senior notes
Debt Instrument [Line Items]
Shares issuable under warrants granted (in shares)	1,400	4,600
Number of shares available for purchase (in shares)			700
Number of warrants issued subject to anti-dilution adjustments (in shares)			1,000
Limitation on sale of common stock due to sale price threshold (in days) | tradingDay			80
Value of shares issuable under warrants granted (in dollars per share) | $ / shares			$ 68.06
Proceeds from issuance of warrants related to 2023 convertible senior notes | $			$ 52.4
Payments for repurchase of Warrants | $	$ 175.4	$ 358.6
2025 convertible senior notes
Debt Instrument [Line Items]
Initial cap price of capped calls (in dollars per share) | $ / shares			$ 255.88
Purchase of capped call on convertible debt | $			$ 74.1
2026 convertible senior notes
Debt Instrument [Line Items]
Initial cap price of capped calls (in dollars per share) | $ / shares			$ 360.14
Purchase of capped call on convertible debt | $			$ 134
Senior Notes | 2023 convertible senior notes
Debt Instrument [Line Items]
Shares issuable under warrants granted (in shares)	1,400	4,600	7,100
Conversion price (in dollars per share) | $ / shares			$ 48.36
Purchases of hedges related to 2023 convertible senior notes | $			$ 80
Proceeds from hedges related to convertible senior notes | $	$ 195	$ 405.9
Hedge exercised, consideration received on transaction | $			$ 7.5
Hedge exercised, number of shares received on transaction			100
Hedge exercised, underlying debt | $			$ 9.6
Number of warrants issued subject to anti-dilution adjustments (in shares)			7,100
Limitation on sale of common stock due to sale price threshold (in days) | tradingDay			30
Senior Notes | 2025 convertible senior notes
Debt Instrument [Line Items]
Conversion price (in dollars per share) | $ / shares			$ 188.71
Limitation on sale of common stock due to sale price threshold (in days) | tradingDay			30
Senior Notes | 2026 convertible senior notes
Debt Instrument [Line Items]
Conversion price (in dollars per share) | $ / shares			$ 238.60
Limitation on sale of common stock due to sale price threshold (in days) | tradingDay			30
Shares related to convertible senior notes | 2023 convertible senior notes
Debt Instrument [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)			478	2,494
Shares related to convertible senior notes | 2025 convertible senior notes
Debt Instrument [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)			5,617	5,617
Shares related to convertible senior notes | 2026 convertible senior notes
Debt Instrument [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)			4,820	0

Leases - Schedule of Operating

Leases - Schedule of Operating Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Lease cost:
Operating lease cost	$ 8,837	$ 7,370

Leases - Narrative (Details)

Leases - Narrative (Details) - USD ($)	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Jan. 31, 2021
Leases [Abstract]
Weighted average remaining lease term	6 years 7 months 6 days		6 years 9 months 18 days
Weighted average discount rate	5.60%		5.60%
Cash payments included in the measurement of operating lease liabilities	$ 9,100,000	$ 7,100,000
Impairment of operating lease right-of-use asset	$ 0	$ 0

Leases - Schedule of Maturities

Leases - Schedule of Maturities of Operating Leases (Details) $ in Thousands	Apr. 30, 2021USD ($)
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2022	$ 25,396
2023	38,752
2024	38,856
2025	36,312
2026	26,863
Thereafter	73,135
Total lease payments	239,314
Less imputed interest	(41,501)
Total operating lease liabilities	$ 197,813

Commitments and Contingencies -

Commitments and Contingencies - Narrative (Details) - Letter of Credit - USD ($)	Apr. 30, 2021	Jan. 31, 2021
Other Commitments [Line Items]
Letters of credit issued and outstanding	$ 10,800,000	$ 11,200,000
Draws on line of credit	0	0
Restricted Cash, Noncurrent	$ 8,600,000	$ 8,600,000

Employee Incentive Plans - Sche

Employee Incentive Plans - Schedule of Stock-based Compensation Expense by Statement of Operations Location (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 64,112	$ 37,728
Subscription
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	7,250	3,975
Professional services and other
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	2,342	1,811
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	20,093	11,935
Sales and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	21,066	11,160
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 13,361	$ 8,847

Employee Incentive Plans - Narr

Employee Incentive Plans - Narrative (Details) $ in Millions	3 Months Ended
	Apr. 30, 2021USD ($)incentive_planshares	Jan. 31, 2021shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity incentive plans (in incentive plans) | incentive_plan	2
Options to purchase common stock outstanding (in shares) | shares	8,108,863	8,250,113
Unrecognized stock-based compensation expense related to stock options | $	$ 111.6
Unrecognized stock-based compensation expenses related to unvested RSUs | $	$ 750.8
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average stock-based compensation recognition period	2 years 7 months 6 days
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average stock-based compensation recognition period	2 years 8 months 12 days
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average stock-based compensation recognition period	7 months 6 days
Unrecognized compensation costs related to unvested restricted stock units | $	$ 6.7
2017 Equity Incentive Plan | Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options to purchase common stock outstanding (in shares) | shares	1,586,610
2017 Equity Incentive Plan | Class B Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options to purchase common stock outstanding (in shares) | shares	6,522,253

Employee Incentive Plans - Sc_2

Employee Incentive Plans - Schedule of Common Stock Reserved for Future Issuance (Details)	Apr. 30, 2021shares
Class of Stock [Line Items]
Common stock reserved for future issuance and options and unvested RSUs outstanding (in shares)	44,409,236
Stock Options and Restricted Stock Units
Class of Stock [Line Items]
Stock options and unvested RSUs outstanding (in shares)	13,221,003
Common stock, reserved for future issuance (in shares)	25,245,306
ESPP
Class of Stock [Line Items]
Common stock, reserved for future issuance (in shares)	5,942,927

Employee Incentive Plans - Sc_3

Employee Incentive Plans - Schedule of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 30, 2021	Jan. 31, 2021
Number of Options
Number of options, outstanding beginning of period (in shares)	8,250,113
Number of options, granted (in shares)	697,144
Number of options, exercised (in shares)	(786,753)
Number of options, canceled (in shares)	(51,641)
Number of options, outstanding end of period (in shares)	8,108,863	8,250,113
Vested and exercisable, number of options (in shares)	6,665,149
Weighted- Average Exercise Price
Options outstanding, weighted average exercise price beginning of period (in dollars per share)	$ 18.93
Options granted, weighted average exercise price (in dollars per share)	274.89
Options exercised, weighted average exercise price (in dollars per share)	20.58
Options canceled, weighted average exercise price (in dollars per share)	93.82
Options outstanding, weighted average exercise price end of period (in dollars per share)	40.30	$ 18.93
Vested and exercisable, weighted average exercise price (in dollars per share)	$ 11.44
Additional Disclosures
Options outstanding, weighted average remaining contractual term	5 years 8 months 12 days	5 years 7 months 6 days
Options outstanding, aggregate intrinsic value	$ 1,863,785	$ 1,980,668
Vested and exercisable, weighted average remaining contractual term	5 years
Vested and exercisable, aggregate intrinsic value	$ 1,721,356

Employee Incentive Plans - Sc_4

Employee Incentive Plans - Schedule of Restricted Stock Unit Activity (Details) - Restricted stock units	3 Months Ended
	Apr. 30, 2021$ / sharesshares
Number of RSUs
Beginning balance (in shares) | shares	4,452,107
Granted (in shares) | shares	1,370,078
Vested (in shares) | shares	(572,769)
Forfeited (in shares) | shares	(137,276)
Ending balance (in shares) | shares	5,112,140
Weighted- Average Grant Date Fair Value Per Share
Beginning balance (in dollars per share) | $ / shares	$ 122.90
Granted (in dollars per share) | $ / shares	235.97
Vested (in dollars per share) | $ / shares	91.76
Forfeited (in dollars per share) | $ / shares	121.59
Ending balance (in dollars per share) | $ / shares	$ 156.75

Income Taxes - Narrative (Detai

Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Income Tax Disclosure [Abstract]
Tax expense (benefit)	$ 10	$ (402)
Pretax losses	$ 109,222	$ 58,064
Effective income tax rate	(0.00%)	0.70%

Net Loss Per Share - Schedule o

Net Loss Per Share - Schedule of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Numerator:
Net loss	$ (109,232)	$ (57,662)
Denominator:
Weighted-average shares outstanding, basic (in shares)	131,777	123,494
Weighted-average shares outstanding, diluted (in shares)	131,777	123,494
Net loss per share, basic (in dollars per share)	$ (0.83)	$ (0.47)
Net loss per share, diluted (in dollars per share)	$ (0.83)	$ (0.47)
Class A Common Stock
Numerator:
Net loss	$ (102,612)	$ (53,684)
Denominator:
Weighted-average shares outstanding, basic (in shares)	123,791	114,975
Weighted-average shares outstanding, diluted (in shares)	123,791	114,975
Net loss per share, basic (in dollars per share)	$ (0.83)	$ (0.47)
Net loss per share, diluted (in dollars per share)	$ (0.83)	$ (0.47)
Class B Common Stock
Numerator:
Net loss	$ (6,620)	$ (3,978)
Denominator:
Weighted-average shares outstanding, basic (in shares)	7,986	8,519
Weighted-average shares outstanding, diluted (in shares)	7,986	8,519
Net loss per share, basic (in dollars per share)	$ (0.83)	$ (0.47)
Net loss per share, diluted (in dollars per share)	$ (0.83)	$ (0.47)

Net Loss Per Share - Schedule_2

Net Loss Per Share - Schedule of Potentially Dilutive Securities Excluded from Computation of Diluted Per Share (Details) - shares shares in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	25,315	26,909
Issued and outstanding stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	8,109	11,167
Unvested RSUs issued and outstanding
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	5,112	4,890
Unvested shares subject to repurchase
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	0	3
Shares committed under the ESPP
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	131	244
Shares related to convertible senior notes | 2023 convertible senior notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	478	2,494
Shares related to convertible senior notes | 2025 convertible senior notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	5,617	5,617
Shares related to convertible senior notes | 2026 convertible senior notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	4,820	0
Shares subject to warrants related to the issuance of the 2023 Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	1,048	2,494

Net Loss Per Share - Narrative

Net Loss Per Share - Narrative (Details)	3 Months Ended
	Apr. 30, 2021USD ($)$ / shares
Debt Instrument [Line Items]
Dilutive effect on securities | $	$ 0
2023 convertible senior notes
Debt Instrument [Line Items]
Value of shares issuable under warrants granted (in dollars per share) | $ / shares	$ 68.06

Subsequent Events (Details)

Subsequent Events (Details) - Auth0 - Subsequent Event shares in Millions, $ in Millions	May 03, 2021USD ($)shares
Subsequent Event [Line Items]
Consideration transferred	$ 6,500
Consideration transferred, equity issued (in shares) | shares	20.4
Consideration transferred, cash	$ 268.7
Consideration transferred, equity issued	700.2
Contingent consideration liability	325
Retention liability	$ 25