# Apps Authentication

- [Authenticate App](https://rest-api.symphony.com/main/application-authentication/application-rsa-authentication.md): Authenticate extension app with a public key. See also: Application Authentication in the Client Extension API documentation.
- [Pod Certificate](https://rest-api.symphony.com/main/application-authentication/pod-certificate-jwt.md): Retrieve the certificate that can be used to validate the JWT token obtained through the extension application authentication flow.


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