Summary of Significant Accounting Policies (Policies)	9 Months Ended
Oct. 31, 2021
Accounting Policies [Abstract]
Basis of Presentation and Consolidation	Basis of Presentation and Consolidation The accompanying condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") and applicable rules and regulations of the Securities and Exchange Commission ("SEC") regarding interim financial reporting. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. Therefore, these condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in the Company's Annual Report on Form 10-K for the fiscal year ended January 31, 2021, filed with the SEC on March 16, 2021 (the "Form 10-K"). The condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation. The condensed consolidated balance sheet as of January 31, 2021, included herein, was derived from the audited financial statements as of that date, but does not include all disclosures including certain notes required by GAAP on an annual reporting basis. In the opinion of management, the accompanying condensed consolidated financial statements reflect all normal recurring adjustments necessary to present fairly the financial position, results of operations, comprehensive loss and cash flows for the interim periods. The results for the three and nine months ended October 31, 2021 are not necessarily indicative of the results to be expected for any subsequent quarter, the fiscal year ending January 31, 2022, or any other period.
Use of Estimates	Use of Estimates The preparation of condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of those financial statements and the reported amounts of revenue and expense during the reporting period. These estimates include, but are not limited to, the standalone selling prices of performance obligations, the incremental borrowing rate associated with lease liabilities, the useful life of capitalized costs to obtain revenue contracts, income taxes, and the valuation and assumptions underlying stock-based compensation. Management bases its estimates on historical experience and on various other market-specific and relevant assumptions that it believes to be reasonable under the circumstances. Actual results could differ from those estimates and such differences could be material to the financial position and results of operations.
Segment Information	Segment Information The Company is the provider of the Yext platform and operates as one operating segment. An operating segment is defined as a component of an enterprise for which separate financial information is evaluated regularly by the chief operating decision makers ("CODM"). The Company defines its CODM as its executive officers, and their role is to make decisions about allocating resources and assessing performance. The Company's business operates in one operating segment as all of the Company's offerings operate on the Yext platform and are deployed in an identical way, with its CODM evaluating the Company's financial information, resources and performance of these resources on a consolidated basis. Since the Company operates in one operating segment, all required financial segment information can be found in the condensed consolidated financial statements.
Concentration of Credit Risk	Concentration of Credit RiskCertain financial instruments that could be exposed to a concentration of credit risk include cash and cash equivalents and accounts receivable. The Company deposits its cash with financial institutions, and such deposits, at times, may exceed federally insured limits. The Company has not experienced any losses on its deposits of cash and cash equivalents to date. Collateral is not required for accounts receivable.
Recent Accounting Pronouncements	Recent Accounting Pronouncements Adoption of Accounting Standard - ASU 2019-12 In December 2019, the FASB issued Accounting Standards Update (ASU) 2019-12 "Simplifying the Accounting for Income Taxes", which simplifies the accounting for income taxes, eliminates certain exceptions within Accounting Standards Codification Topic 740 (ASC 740), "Income Taxes," and clarifies certain aspects of the current guidance to promote consistency among reporting entities. The Company adopted this standard on February 1, 2021 and it did not have a material impact on the Company's condensed consolidated financial statements.

Summary of Significant Accounting Policies (Policies)

9 Months Ended

Oct. 31, 2021

The accompanying condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") and applicable rules and regulations of the Securities and Exchange Commission ("SEC") regarding interim financial reporting. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. Therefore, these condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in the Company's Annual Report on Form 10-K for the fiscal year ended January 31, 2021, filed with the SEC on March 16, 2021 (the "Form 10-K"). The condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation.

The condensed consolidated balance sheet as of January 31, 2021, included herein, was derived from the audited financial statements as of that date, but does not include all disclosures including certain notes required by GAAP on an annual reporting basis.

In the opinion of management, the accompanying condensed consolidated financial statements reflect all normal recurring adjustments necessary to present fairly the financial position, results of operations, comprehensive loss and cash flows for the interim periods. The results for the three and nine months ended October 31, 2021 are not necessarily indicative of the results to be expected for any subsequent quarter, the fiscal year ending January 31, 2022, or any other period.

Use of Estimates

The preparation of condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of those financial statements and the reported amounts of revenue and expense during the reporting period. These estimates include, but are not limited to, the standalone selling prices of performance obligations, the incremental borrowing rate associated with lease liabilities, the useful life of capitalized costs to obtain revenue contracts, income taxes, and the valuation and assumptions underlying stock-based compensation. Management bases its estimates on historical experience and on various other market-specific and relevant assumptions that it believes to be reasonable under the circumstances. Actual results could differ from those estimates and such differences could be material to the financial position and results of operations.

Segment Information

The Company is the provider of the Yext platform and operates as one operating segment. An operating segment is defined as a component of an enterprise for which separate financial information is evaluated regularly by the chief operating decision makers ("CODM"). The Company defines its CODM as its executive officers, and their role is to make decisions about allocating resources and assessing performance. The Company's business operates in one operating segment as all of the Company's offerings operate on the Yext platform and are deployed in an identical way, with its CODM evaluating the Company's financial information, resources and performance of these resources on a consolidated basis. Since the Company operates in one operating segment, all required financial segment information can be found in the condensed consolidated financial statements.

Concentration of Credit Risk

Concentration of Credit RiskCertain financial instruments that could be exposed to a concentration of credit risk include cash and cash equivalents and accounts receivable. The Company deposits its cash with financial institutions, and such deposits, at times, may exceed federally insured limits. The Company has not experienced any losses on its deposits of cash and cash equivalents to date. Collateral is not required for accounts receivable.

Recent Accounting Pronouncements

Adoption of Accounting Standard - ASU 2019-12

In December 2019, the FASB issued Accounting Standards Update (ASU) 2019-12 "Simplifying the Accounting for Income Taxes", which simplifies the accounting for income taxes, eliminates certain exceptions within Accounting Standards Codification Topic 740 (ASC 740), "Income Taxes," and clarifies certain aspects of the current guidance to promote consistency among reporting entities. The Company adopted this standard on February 1, 2021 and it did not have a material impact on the Company's condensed consolidated financial statements.