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Summary of Significant Accounting Policies - Narrative (Details)	3 Months Ended		12 Months Ended
	Apr. 30, 2024 USD ($) segment	Apr. 30, 2023 USD ($)	Jan. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Amortization of expense related to contract acquisition costs	$ 4,301,000	$ 4,568,000
Impairment charge in relation to contract acquisition costs	$ 0	0
Number of operating segments \| segment	1
Goodwill acquired	$ 0	0
Impairment charges for goodwill or long-lived assets	0	0
Advertising expense	$ 2,400,000	$ 3,000,000
Initial Contract
Finite-Lived Intangible Assets [Line Items]
Amortization period for capitalized contract acquisition costs	4 years
Renewal Contract
Finite-Lived Intangible Assets [Line Items]
Amortization period for capitalized contract acquisition costs	2 years
Cash and Cash Equivalents \| Foreign Currency Cash Concentration Risk \| Non-US
Finite-Lived Intangible Assets [Line Items]
Percentage of revenue by geographic area	22.00%		28.00%
Capitalized internal-use software development costs
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives of property and equipment	3 years
Minimum
Finite-Lived Intangible Assets [Line Items]
Lease extension term	1 year
Maximum
Finite-Lived Intangible Assets [Line Items]
Lease extension term	3 years