Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Cash flows from operating activities:
Net loss	$ (198,033)	$ (909,021)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	16,494	14,144
Stock-based compensation	161,997	735,348
Amortization of deferred commissions	50,945	42,433
Non-cash interest	0	19,155
Loss on debt extinguishment	6,653	0
Deferred income taxes	725	1,409
Other	(1,273)	(1,492)
Changes in operating assets and liabilities:
Accounts receivable	(40,061)	(4,829)
Deferred commissions	(49,193)	(70,159)
Prepaid expenses and other assets	(4,692)	(3,347)
Accounts payable	2,871	4,873
Accrued expenses and other liabilities	(7,982)	17,748
Deferred revenue	165,928	95,274
Net cash provided by (used in) operating activities	104,379	(58,464)
Cash flows from investing activities:
Purchases of property and equipment	(6,348)	(6,227)
Capitalized internal-use software	(7,148)	(4,444)
Purchases of investments	(997,981)	(449,323)
Sale of investments	0	27,978
Maturities of investments	319,918	116,555
Payments for business combinations, net of cash acquired	(10,153)	0
Net cash used in investing activities	(701,712)	(315,461)
Cash flows from financing activities:
Proceeds from initial public offering, net of underwriting discounts and commissions	0	815,209
Taxes paid related to net share settlement of equity awards	0	(430,300)
Proceeds from exercise of stock options	3,108	3,718
Proceeds from issuance of common stock under employee stock purchase plan	13,492	0
Payments for deferred offering costs, net	0	(3,545)
Proceeds from convertible debt	1,129,875	0
Repayment of debt and related costs	(329,646)	0
Payments for debt discount costs	0	(475)
Payments for debt issuance costs	(1,181)	(233)
Purchase of capped calls related to convertible senior notes	(88,550)	0
Net cash provided by financing activities	727,098	384,374
Effect of exchange rate on cash, cash equivalents, and restricted cash	6,944	397
Net increase in cash, cash equivalents, and restricted cash	136,709	10,846
Cash, cash equivalents, and restricted cash, beginning of period	193,594	137,059
Cash, cash equivalents, and restricted cash, end of period	330,303	147,905
Supplemental cash flow information:
Cash paid for income taxes, net of refunds	4,082	4,706
Cash paid for interest	11,807	247
Non-cash investing and financing activities:
Transfers of inventory to property and equipment	0	66
Property and equipment received, included in payables and accrued but not paid	1,015	274
Stock-based compensation capitalized in internal-use software	3,413	1,863
Fair value of common stock issued as consideration for business combination	93,849	0
Cash consideration for business combination accrued not paid, included in accrued expenses and other current liabilities	645	0
Unpaid taxes related to business combination, including net share settlement, included in accrued expenses and other current liabilities	918	0
Debt issuance costs accrued but not paid, included in accounts payable	722	0
Noncash or Part Noncash Acquisition, Other Liabilities Assumed	$ 12	$ 0