Balance Sheet Components - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Jan. 31, 2024
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 658,596	$ 530,021
Less: accumulated depreciation and amortization	(328,121)	(236,317)
Property and equipment, net	330,475	293,704
Servers
Property, Plant and Equipment [Line Items]
Property and equipment, gross	427,664	340,868
Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	123,259	95,409
Computer and office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	47,021	44,571
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	54,885	43,981
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,767	$ 5,192