{"issuer":"https://mermail.app","authorization_endpoint":"https://mermail.app/api/oauth/authorize","token_endpoint":"https://mermail.app/api/oauth/token","jwks_uri":"https://mermail.app/.well-known/jwks.json","response_types_supported":["code","token","id_token"],"subject_types_supported":["public"],"id_token_signing_alg_values_supported":["RS256"],"scopes_supported":["openid","email","profile","mailbox"],"token_endpoint_auth_methods_supported":["client_secret_post","client_secret_basic"],"claims_supported":["iss","sub","aud","exp","iat"],"grant_types_supported":["authorization_code","client_credentials"]}