CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Cash flows from operating activities:
Net loss	$ (116,769)	$ (62,827)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities
Depreciation and amortization	3,415	3,119
Non-cash operating lease cost	88	85
Stock-based compensation expense	64,775	54,683
Accretion of discounts on marketable securities	(2,811)	(3,936)
Other	262	98
Changes in operating assets and liabilities
Accounts receivable	23,302	(10,037)
Prepaid expenses, other current assets and other assets	(230)	1,604
Accounts payable	(2,931)	20,033
Accrued compensation and employee benefits	3,343	(1,755)
Operating lease liabilities	2,187	(498)
Other liabilities	(1,538)	6,138
Deferred revenue	(6,628)	1,335
Net cash (used in) provided by operating activities	(33,535)	8,042
Cash flows from investing activities:
Purchases of property and equipment	(760)	(924)
Purchases of marketable securities	(206,492)	(230,924)
Maturities and sales of marketable securities	156,081	190,298
Net cash used in investing activities	(51,171)	(41,550)
Cash flows from financing activities:
Proceeds from exercise of Class A common stock options	1,289	3,127
Taxes paid related to net share settlement of equity awards	0	(2,945)
Net cash provided by financing activities	1,289	182
Net decrease in cash, cash equivalents and restricted cash	(83,417)	(33,326)
Cash, cash equivalents and restricted cash at beginning of period	176,924	179,712
Cash and cash equivalents	80,941	133,820
Restricted cash included in other assets, non-current	12,566	12,566
Cash, cash equivalents and restricted cash at end of period	93,507	146,386
Cash and cash equivalents	80,941	133,820
Restricted cash included in other assets, non-current	12,566	12,566
Total cash, cash equivalents and restricted cash	93,507	146,386
Cash and cash equivalents	80,941	133,820
Restricted cash included in other assets, non-current	12,566	12,566
Supplemental disclosure of cash flow information—cash paid for income taxes	452	292
Supplemental disclosures of non-cash investing and financing activities:
Purchases of property and equipment included in accounts payable and accrued liabilities	201	301
Right-of-use assets obtained in exchange for lease obligations (including remeasurement of right-of-use assets and lease liabilities due to changes in the timing of receipt of lease incentives)	(166)
Right-of-use assets obtained in exchange for lease obligations (including remeasurement of right-of-use assets and lease liabilities due to changes in the timing of receipt of lease incentives)		1,345
Vesting of early exercised stock options	$ 5	$ 105