Revenue and Contract Balances - Disaggregation of Revenue by Type of Customer (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 422,179	$ 204,799	$ 93,056
% of Revenue	100.00%	100.00%	100.00%
Channel partners
Disaggregation of Revenue [Line Items]
Revenue	$ 380,857	$ 187,541	$ 88,954
% of Revenue	90.00%	92.00%	96.00%
Direct customers
Disaggregation of Revenue [Line Items]
Revenue	$ 41,322	$ 17,258	$ 4,102
% of Revenue	10.00%	8.00%	4.00%