CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Cash flows from operating activities:
Net loss		$ (65,972)	$ (69,780)	$ (128,799)	$ (134,138)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization				6,092	6,220
Non-cash operating lease cost				203	454
Stock-based compensation expense				111,721	104,049
Accretion of discounts on marketable securities				(7,618)	(8,755)
Other				418	0
Changes in operating assets and liabilities
Accounts receivable	[1]			(30,051)	(8,567)
Prepaid expenses, other current assets and other assets	[2]			(1,993)	(665)
Accounts payable	[3]			9,294	(2,918)
Accrued compensation and employee benefits				(4,815)	(2,551)
Operating lease liabilities				(1,215)	7,804
Other liabilities	[4]			19,284	1,709
Deferred revenue	[5]			(3,172)	(7,296)
Net cash used in operating activities				(30,651)	(44,654)
Cash flows from investing activities:
Purchases of property and equipment				(1,739)	(16,631)
Capitalized software development costs				0	(2,750)
Purchases of marketable securities				(365,926)	(489,871)
Maturities and sales of marketable securities				348,750	412,554
Net cash used in investing activities				(18,915)	(96,698)
Cash flows from financing activities:
Proceeds from issuance of Class A common stock under employee stock purchase plan				5,009	5,055
Proceeds from exercise of Class A common stock options				4,472	10,163
Taxes paid related to net share settlement of equity awards				(5,787)	(9,686)
Net cash provided by financing activities				3,694	5,532
Net decrease in cash, cash equivalents and restricted cash				(45,872)	(135,820)
Cash, cash equivalents and restricted cash at beginning of period				179,712	297,395
Cash and cash equivalents		121,274	149,009	121,274	149,009
Restricted cash included in other assets, non-current		12,566	12,566	12,566	12,566
Cash, cash equivalents and restricted cash at end of period		133,840	161,575	133,840	161,575
Cash and cash equivalents		121,274	149,009	121,274	149,009
Restricted cash included in other assets, non-current		12,566	12,566	12,566	12,566
Total cash, cash equivalents and restricted cash		133,840	161,575	133,840	161,575
Cash and cash equivalents		121,274	149,009	121,274	149,009
Restricted cash included in other assets, non-current		$ 12,566	$ 12,566	12,566	12,566
Supplemental disclosure of cash flow information—cash paid for income taxes				534	281
Supplemental disclosures of non-cash investing and financing activities:
Purchases of property and equipment included in accounts payable and accrued liabilities				117	7,293
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	778
Vesting of early exercised stock options				$ 216	$ 294

[1] Including changes in related party balances of $12,444 for the six months ended October 31, 2023.

[2] Including changes in related party balances of $(810) for the six months ended October 31, 2023.

[3] Including changes in related party balances of $248 for the six months ended October 31, 2023.

[4] Including changes in related party balances of $(2,448) for the six months ended October 31, 2023.

[5] Including changes in related party balances of $(46) for the six months ended October 31, 2023.