Revenue - Disaggregated Revenue by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Disaggregation of Revenue [Line Items]
Total revenue	$ 94,338	$ 73,229	$ 181,551	$ 145,591
Software Licenses
Disaggregation of Revenue [Line Items]
Total revenue	19,200	3,800	31,800	7,000
North America
Disaggregation of Revenue [Line Items]
Total revenue	$ 84,343	$ 61,179	$ 161,471	$ 122,891
United States | Revenue | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Geographic concentration risk, percentage	87.00%	83.00%	87.00%	84.00%
Europe, the Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenue	$ 9,581	$ 10,607	$ 18,971	$ 20,165
Asia Pacific
Disaggregation of Revenue [Line Items]
Total revenue	14	1,100	261	1,925
Rest of World
Disaggregation of Revenue [Line Items]
Total revenue	$ 400	$ 343	$ 848	$ 610