Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands		6 Months Ended
		Jul. 31, 2022	Jul. 31, 2021
Cash flows from operating activities
Net loss		$ (242,939)	$ (339,689)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization		8,065	6,966
Amortization of deferred contract acquisition costs		21,860	10,971
Net amortization of premium on marketable securities		860	867
Stock-based compensation expense		189,706	343,448
Charitable donation of Class A common stock		5,499	0
Amortization of operating lease right-of-use assets		4,597	3,580
Provision for deferred income taxes		1,505	(134)
Impairment of long-lived assets		2,881	0
Other non-cash credits, net	[1]	(1,031)	(526)
Changes in operating assets and liabilities:
Accounts receivable		51,707	32,961
Contract assets		(26,146)	(20,355)
Deferred contract acquisition costs		(39,572)	(44,946)
Prepaid expenses and other assets		(4,277)	(4,340)
Accounts payable		2,759	(3,663)
Accrued expense and other liabilities		(14,507)	8,484
Accrued compensation and employee benefits		(45,042)	(32,686)
Operating lease liabilities, net		(2,422)	(3,698)
Deferred revenue		9,876	19,237
Net cash used in operating activities		(76,621)	(23,523)
Cash flows from investing activities
Purchases of marketable securities		(45,600)	(94,157)
Sales of marketable securities		0	89,383
Maturities of marketable securities		47,433	36,605
Purchases of property and equipment		(16,298)	(3,641)
Capitalization of software development costs		0	(771)
Payments related to business acquisitions, net of cash acquired		(29,477)	(5,498)
Other investing, net		(507)	0
Net cash (used in) provided by investing activities		(44,449)	21,921
Cash flows from financing activities
Proceeds from initial public offering, net of underwriting discounts and commissions		0	692,369
Payments of initial public offering costs		0	(3,734)
Proceeds from issuance of convertible preferred stock		0	750,000
Payments of issuance costs for convertible preferred stock		0	(164)
Proceeds from exercise of stock options		4,682	6,651
Payments of tax withholdings on net settlement of equity awards		(38,717)	(9,554)
Net (payments) receipts of tax withholdings on sell-to-cover equity award transactions		(10,132)	9,483
Proceeds from employee stock purchase plan contributions		8,507	6,902
Repurchase of unvested early exercised stock options		(1,493)	0
Net cash (used in) provided by financing activities		(37,153)	1,451,953
Effect of exchange rate changes		(3,144)	4,883
Net (decrease) increase in cash, cash equivalents and restricted cash		(161,367)	1,455,234
Cash, cash equivalents, and restricted cash - beginning of period		1,768,723	371,190
Cash, cash equivalents, and restricted cash - end of period		1,607,356	1,826,424
Supplemental disclosure of cash flow information
Cash paid for interest		527	313
Cash paid for income taxes		17,610	4,035
Supplemental disclosure of non-cash investing and financing activities
Stock-based compensation capitalized for software development		0	2,282
Value of shares issued in payment of business acquisitions		2,965	30,467
Reduction in accrued expenses and other liabilities for vesting of early exercised stock options		1,355	2,261
Payable for marketable securities purchase		3,638	0
Deferred payments related to business acquisitions		11,433	0
Tax withholdings on net settlement of restricted stock units, accrued but not yet paid		$ 5,129	$ 996

[1] ((1) Prior period amounts have been combined to conform to current presentation