CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		9 Months Ended
		Jan. 31, 2023	Jan. 31, 2022
Cash flows from operating activities:
Net loss		$ (203,883)	$ (133,645)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization		3,257	3,761
Non-cash operating lease cost		5,820	2,369
Stock-based compensation expense		168,474	77,813
Other		(1,779)	255
Changes in operating assets and liabilities
Accounts receivable	[1]	(63,609)	(1,963)
Prepaid expenses, other current assets and other assets	[2]	(7,745)	(21,108)
Accounts payable	[3]	(26,250)	2,237
Accrued compensation and employee benefits		1,069	759
Operating lease liabilities		(3,296)	(2,303)
Other liabilities	[4]	(4,606)	14,304
Deferred revenue	[5]	(10,197)	(15,779)
Net cash used in operating activities		(142,745)	(73,300)
Cash flows from investing activities:
Purchases of property and equipment		(59,767)	(2,183)
Capitalized software development costs		(1,000)	(500)
Purchases of investments		(497,288)	(540,290)
Maturities and sales of investments		674,440	698,312
Net cash provided by investing activities		116,385	155,339
Cash flows from financing activities:
Payment of deferred offering costs		0	(105)
Proceeds from exercise of Class A common stock options		2,364	19,334
Taxes paid related to net share settlement of equity awards		(4,815)	0
Net cash (used in) provided by financing activities		(2,451)	19,229
Net (decrease) increase in cash, cash equivalents and restricted cash		(28,811)	101,268
Cash, cash equivalents and restricted cash at beginning of period		352,519	116,255
Cash and cash equivalents		311,142	204,531
Restricted cash included in other assets, non-current		12,566	12,567
Restricted cash included in prepaid expenses and other current assets		0	425
Cash, cash equivalents and restricted cash at end of period		323,708	217,523
Total cash, cash equivalents and restricted cash		323,708	217,523
Supplemental disclosure of cash flow information—cash paid for income taxes		219	677
Supplemental disclosures of non-cash investing and financing activities:
Purchases of property and equipment included in accounts payable and accrued liabilities		12,618	483
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)		2,033	26,529
Unpaid liabilities related to intangible purchases		1,500	2,500
Vesting of early exercised stock options		$ 842	$ 2,391

[1] Including changes in related party balances of $46,295 and $547 for the nine months ended January 31, 2023 and 2022, respectively.

[2] Including changes in related party balances of $(3,525) and $14,102 for the nine months ended January 31, 2023 and 2022, respectively.

[3] Including changes in related party balances of $(18,549) and $2,359 for the nine months ended January 31, 2023 and 2022, respectively.

[4] Including changes in related party balances of $(2,510) and $12,674 for the nine months ended January 31, 2023 and 2022, respectively.

[5] Including changes in related party balances of $186 and $(7,122) for the nine months ended January 31, 2023 and 2022, respectively.