Summary of Significant Accounting Policies - Additional Information (Details)			12 Months Ended
	Apr. 23, 2021 USD ($)	Jul. 09, 2020	Jan. 31, 2022 USD ($) segment	Jan. 31, 2021 USD ($)	Jan. 31, 2020 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Stock split conversion ratio		3
Foreign currency transaction gains (losses)			$ (17,200,000)	$ 22,400,000	$ (6,500,000)
Other-than-temporary impairment charges related to available-for-sale marketable securities			0
Allowance for doubtful accounts			2,566,000	2,879,000
Bad debt expense			700,000	2,200,000	900,000
Capitalized costs for cloud computing arrangements, amortization expense			900,000	400,000	100,000
Impairment charges to goodwill			0	0	0
Impairment loss on deferred contract acquisition costs			$ 0	0	0
Deferred contract acquisition costs, amortization period			5 years
Reversal of deferred contract acquisition costs and accrued sales commissions, net			$ 0	9,229,000	0
Reversal of deferred contract acquisition cost			(130,150,000)	(43,206,000)	(37,254,000)
Advertising costs			$ 43,300,000	21,300,000	36,400,000
Number of operating segments | segment			1
Number of reportable segments | segment			1
Change in Accounting Method Accounted for as Change in Estimate
Summary Of Significant Accounting Policies [Line Items]
Reversal of deferred contract acquisition costs and accrued sales commissions, net			$ 9,200,000
Reversal of accrued sales commission				14,600,000
Reversal of deferred contract acquisition cost				5,400,000
Minimum
Summary Of Significant Accounting Policies [Line Items]
Payment term from invoice date			30 days
Maximum
Summary Of Significant Accounting Policies [Line Items]
Payment term from invoice date			60 days
Initial Public Offering
Summary Of Significant Accounting Policies [Line Items]
Deferred offering costs reclassified into stockholders’ equity as an offset to IPO proceeds	$ 4,500,000
SaaS Product Development
Summary Of Significant Accounting Policies [Line Items]
Capitalized software, estimated useful life			5 years
Capitalized software development costs, amortization expense			$ 1,200,000	500,000	0
Software Development
Summary Of Significant Accounting Policies [Line Items]
Capitalized software, estimated useful life			5 years
Capitalized software development costs, amortization expense			$ 700,000	$ 500,000	$ 200,000
United States, European Union (“EU”) Countries, and Japan | Cash, Cash Equivalents, and Restricted Cash | Geographic Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage			96.00%	92.00%
Other Assets, Noncurrent
Summary Of Significant Accounting Policies [Line Items]
Capitalized costs for cloud computing arrangements, gross			$ 2,300,000	$ 2,600,000
Capitalized costs for cloud computing arrangements, accumulated amortization			1,200,000	500,000
Deferred offering costs				1,500,000
Other Assets, Noncurrent | SaaS Product Development
Summary Of Significant Accounting Policies [Line Items]
Capitalized software development costs, gross			10,100,000	4,400,000
Capitalized software development costs, accumulated amortization			1,700,000	500,000
Other Assets, Noncurrent | Software Development
Summary Of Significant Accounting Policies [Line Items]
Capitalized software development costs, gross			4,300,000	2,900,000
Capitalized software development costs, accumulated amortization			1,200,000	700,000
Foreign Currency Forward Contracts
Summary Of Significant Accounting Policies [Line Items]
Net gains (losses) associated with foreign currency forward contracts			8,300,000	(4,000,000.0)
Foreign Currency Forward Contracts | Accrued Expenses and Other Current Liabilities
Summary Of Significant Accounting Policies [Line Items]
Derivative financial assets (liabilities) fair value			0	(600,000)
Foreign Currency Forward Contracts | Not Designated as Hedging Instrument
Summary Of Significant Accounting Policies [Line Items]
Notional principal of foreign currency forward contracts outstanding			$ 0	$ 138,600,000