Balance Sheet Components - Summary of Property and Equipment Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Property Plant And Equipment [Line Items]
Total property and equipment	$ 32,875	$ 19,670
Less: accumulated depreciation and amortization	(8,281)	(3,773)
Property and equipment - net	24,594	15,897
Furniture and fixtures
Property Plant And Equipment [Line Items]
Total property and equipment	$ 1,292	1,266
Useful life	5 years
Computers, equipment and software
Property Plant And Equipment [Line Items]
Total property and equipment	$ 581	532
Useful life	3 years
Capitalized internal-use software development costs
Property Plant And Equipment [Line Items]
Total property and equipment	$ 25,817	12,209
Useful life	5 years
Leasehold improvements
Property Plant And Equipment [Line Items]
Total property and equipment	$ 5,138	5,008
Construction in Progress
Property Plant And Equipment [Line Items]
Total property and equipment	$ 47	$ 655