Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Cash flows from operating activities
Net loss attributable to PagerDuty, Inc. common stockholders	$ (81,757)	$ (128,423)	$ (107,455)
Net loss (income) and adjustment attributable to redeemable non-controlling interest (Note 3)	(4,390)	802	0
Net loss	(77,367)	(129,225)	(107,455)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	20,153	17,429	8,356
Amortization of deferred contract costs	20,568	19,247	14,923
Gain on partial extinguishment of convertible senior notes	(3,699)	0	0
Stock-based compensation	127,152	109,907	70,033
Amortization of debt issuance costs	2,078	1,839	1,805
Non-cash lease expense	4,439	4,073	4,464
Impairment of property and equipment, net and lease right-of-use assets, net	8,368	0	0
Tax benefit related to release of valuation allowance	0	(1,330)	0
Other	(3,223)	1,841	3,770
Changes in operating assets and liabilities:
Accounts receivable	(10,662)	(16,586)	(21,594)
Deferred contract costs	(18,799)	(22,805)	(26,167)
Prepaid expenses and other assets	0	(2,843)	1,279
Accounts payable	(1,453)	(1,473)	2,901
Accrued expenses and other liabilities	4,145	(1,444)	(99)
Accrued compensation	(11,825)	6,147	6,766
Deferred revenue	18,073	37,971	40,252
Lease liabilities	(5,974)	(5,768)	(5,255)
Net cash provided by (used in) operating activities	71,974	16,980	(6,021)
Cash flows from investing activities
Purchases of property and equipment	(2,164)	(4,637)	(3,457)
Capitalized internal-use software costs	(5,384)	(3,836)	(3,353)
Business acquisition, net of cash acquired	(24,071)	(66,262)	(160)
Asset acquisition	0	(1,845)	0
Purchases of available-for-sale investments	(216,970)	(212,210)	(197,093)
Proceeds from maturities of available-for-sale investments	218,264	202,625	194,059
Proceeds from sales of available-for-sale investments	0	0	27,380
Purchases of non-marketable equity investments	(200)	0	0
Net cash (used in) provided by investing activities	(30,525)	(86,165)	17,376
Cash flows from financing activities
Proceeds from issuance of convertible senior notes, net of issuance costs	390,831	0	0
Purchases of capped calls related to convertible senior notes	(55,102)	0	0
Repurchases of convertible senior notes	(223,675)	0	0
Investment from redeemable non-controlling interest holder	1,781	1,908	0
Proceeds from issuance of common stock upon exercise of stock options	9,871	10,481	15,108
Proceeds from Employee Stock Purchase Plan	10,294	9,875	7,742
Employee payroll taxes paid related to net share settlement of restricted stock units	(32,400)	(28,677)	(23,586)
Repurchase of common stock	(50,000)	0	0
Net cash provided by (used in) financing activities	51,600	(6,413)	(736)
Effects of foreign currency exchange rates on cash, cash equivalents, and restricted cash	(401)	(168)	0
Net increase (decrease) in cash, cash equivalents, and restricted cash	92,648	(75,766)	10,619
Cash, cash equivalents, and restricted cash at beginning of period	274,019	349,785	339,166
Cash, cash equivalents, and restricted cash at end of period	366,667	274,019	349,785
Cash and cash equivalents	363,011	274,019	349,785
Restricted cash in other long-term assets	3,656	0	0
Supplemental cash flow data:
Cash paid for interest	2,971	3,594	1,797
Cash paid for income taxes	908	168	324
Non-cash investing and financing activities:
Purchase of property and equipment, accrued but not yet paid	430	159	2,666
Stock-based compensation capitalized in internal use software	1,647	1,320	1,163
Unpaid bonus capitalized in internal use software	255	354	189
Issuance costs included in accrued expenses	413	0	0
Receivables for cash in-transit on stock options	$ 0	$ 436	$ 0