CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Cash flows from operating activities:
Net loss		$ (80,201)	$ (72,631)	$ (209,000)	$ (206,769)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization				9,215	9,469
Non-cash operating lease cost				270	656
Stock-based compensation expense				174,373	159,032
Accretion of discounts on marketable securities				(10,715)	(13,238)
Other				2,158	110
Changes in operating assets and liabilities
Accounts receivable	[1]			(52,017)	(38,892)
Prepaid expenses, other current assets and other assets	[2]			587	(3,379)
Accounts payable	[3]			16,916	(4,945)
Accrued compensation and employee benefits				7,648	171
Operating lease liabilities				1,439	14,330
Other liabilities	[4]			12,462	6,296
Deferred revenue	[5]			(6,007)	(6,546)
Net cash used in operating activities				(52,671)	(83,705)
Cash flows from investing activities:
Purchases of property and equipment				(2,101)	(22,718)
Capitalized software development costs				0	(2,750)
Purchases of marketable securities				(518,806)	(657,431)
Maturities and sales of marketable securities				514,365	590,299
Net cash used in investing activities				(6,542)	(92,600)
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				19,648	11,379
Taxes paid related to net share settlement of equity awards				(7,496)	(10,397)
Net cash provided by financing activities				17,161	6,037
Net decrease in cash, cash equivalents and restricted cash				(42,052)	(170,268)
Cash, cash equivalents and restricted cash at beginning of period				179,712	297,395
Cash and cash equivalents		125,094	114,561	125,094	114,561
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		137,660	127,127	137,660	127,127
Cash and cash equivalents		125,094	114,561	125,094	114,561
Restricted cash included in other assets, non-current		12,566	12,566	12,566	12,566
Total cash, cash equivalents and restricted cash		137,660	127,127	137,660	127,127
Cash and cash equivalents		125,094	114,561	125,094	114,561
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				743	760
Supplemental disclosures of non-cash investing and financing activities:
Purchases of property and equipment included in accounts payable and accrued liabilities				527	2,475
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)				1,016	1,858
Vesting of early exercised stock options				$ 251	$ 406

[1] Including changes in related party balances of $12,444 for the nine months ended January 31, 2024.

[2] Including changes in related party balances of $(810) for the nine months ended January 31, 2024.

[3] Including changes in related party balances of $248 for the nine months ended January 31, 2024.

[4] Including changes in related party balances of $(2,448) for the nine months ended January 31, 2024.

[5] Including changes in related party balances of $(46) for the nine months ended January 31, 2024.