Balance Sheet Components - Property and Equipment (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Jan. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 958,438	$ 708,614
Less: Accumulated depreciation and amortization	(338,266)	(216,279)
Property and equipment, net	620,172	492,335
Data center and other computer equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	525,890	297,585
Capitalized internal-use software and website development costs
Property, Plant and Equipment [Line Items]
Property and equipment, gross	183,117	113,276
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	39,168	24,944
Purchased software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	10,907	6,384
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	8,524	7,412
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 190,832	$ 259,013