[Home](./index.md) > [@firebase/auth-types](./auth-types.md) > [ApplicationVerifier](./auth-types.applicationverifier.md) > [verify](./auth-types.applicationverifier.verify.md) ## ApplicationVerifier.verify() method Executes the verification process. Signature: ```typescript verify(): Promise; ``` Returns: Promise<string> A Promise for a token that can be used to assert the validity of a request.