{"issuer": "https://saasdirectorypro.com", "authorization_endpoint": "https://saasdirectorypro.com/oauth/authorize", "token_endpoint": "https://saasdirectorypro.com/oauth/token", "registration_endpoint": "https://saasdirectorypro.com/oauth/register", "revocation_endpoint": "https://saasdirectorypro.com/oauth/revoke", "scopes_supported": ["read", "account:read", "listings:write", "orders:write"], "response_types_supported": ["code"], "response_modes_supported": ["query"], "grant_types_supported": ["authorization_code", "refresh_token"], "code_challenge_methods_supported": ["S256"], "token_endpoint_auth_methods_supported": ["none", "client_secret_post", "client_secret_basic"], "revocation_endpoint_auth_methods_supported": ["none", "client_secret_post", "client_secret_basic"], "client_id_metadata_document_supported": true, "authorization_response_iss_parameter_supported": true, "service_documentation": "https://saasdirectorypro.com/developers/authentication"}