| Document and Entity Information | Nov. 13, 2023 |
| Document And Entity Information [Line Items] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001868640 |
| Document Type | 8-K |
| Document Period End Date | Nov. 13, 2023 |
| Entity Registrant Name | ROADZEN INC. |
| Entity Incorporation State Country Code | D8 |
| Entity File Number | 001-41094 |
| Entity Tax Identification Number | 98-1600102 |
| Entity Address, Address Line One | 111 Anza Blvd. |
| Entity Address, Address Line Two | Suite 109 |
| Entity Address, City or Town | Burlingame |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94010 |
| City Area Code | 650 |
| Local Phone Number | 414-3530 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Common Stock, par value $0.0001 per share [Member] | |
| Document And Entity Information [Line Items] | |
| Title of 12(b) Security | Common Stock, par value $0.0001 per share |
| Trading Symbol | RDZN |
| Security Exchange Name | NASDAQ |
| Warrants, each warrant exercisable for one share of common stock, each at an exercise price of $11.50 per share [Member] | |
| Document And Entity Information [Line Items] | |
| Title of 12(b) Security | Warrants, each warrant exercisable for one share of common stock, each at an exercise price of $11.50 per share |
| Trading Symbol | RDZNW |
| Security Exchange Name | NASDAQ |
