Balance Sheet Components - Accrued expenses and other current liabilities (Details) - USD ($) $ in Thousands	Oct. 31, 2024	Jan. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accrued expenses	$ 27,318	$ 41,773
Accrued bonuses	36,985	31,212
Accrued sales commissions	13,159	18,859
Accrued payroll-related expenses, taxes, and benefits	31,854	20,197
Operating lease liabilities	9,387	10,461
Other	2,461	432
Total accrued expenses and other current liabilities	$ 121,164	$ 122,934