{"issuer":"https://agenticadvertising.org/","authorization_endpoint":"https://agenticadvertising.org/authorize","response_types_supported":["code"],"code_challenge_methods_supported":["S256"],"token_endpoint":"https://agenticadvertising.org/token","token_endpoint_auth_methods_supported":["client_secret_post","none"],"grant_types_supported":["authorization_code","refresh_token"],"scopes_supported":["openid","profile","email"],"registration_endpoint":"https://agenticadvertising.org/register"}