Exhibit 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
I, Corey E. Thomas, Chief Executive Officer of Rapid7, Inc., do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge, the Quarterly Report on Form 10-Q of Rapid7, Inc. for the quarter ended September 30, 2015 (the “Report”):
| (1) | fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and |
| (2) | the information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of Rapid7, Inc. for the period presented herein. |
| Date: November 12, 2015 | By: | /s/ Corey E. Thomas | ||||
| Name:Corey E. Thomas | ||||||
| Title: President, Chief Executive Officer and Director |