{"issuer":"https://apigw.americanexpress.com","token_endpoint":"https://resygateway.americanexpress.com/oauth/token","token_endpoint_auth_methods_supported":["client_secret_jwt"],"authorization_endpoint":"https://resygateway.americanexpress.com/authorize","grant_types_supported":["authorization_code","client_credentials"],"code_challenge_methods_supported":["S256"],"response_types_supported":["code"],"scopes_supported":["600003928_DINING_RESY_MCP_APPS"]}