{"issuer":"https://api.fiz.co","authorization_endpoint":"https://api.fiz.co/oauth/authorize","token_endpoint":"https://api.fiz.co/oauth/token","response_types_supported":["code"],"grant_types_supported":["authorization_code","refresh_token"],"token_endpoint_auth_methods_supported":["none","client_secret_post"],"code_challenge_methods_supported":["S256"],"scopes_supported":["invoicing.read","invoicing.read_all","company.read","invoicing.write","invoicing.issue","bank.read"],"client_id_metadata_document_supported":true,"authorization_response_iss_parameter_supported":true}