The integration details for the partner and customer relationship. Required if operation is API_INTEGRATION.
classic_api_integrationobject<classic_api_integration>Optionalrest_api_integrationobject<rest_api_integration>Optionalfirst_party_detailsobject<first_party_details>Optionalfeaturesarray<rest_endpoint_features_enum>Requiredthird_party_detailsobject<third_party_details>Optionalfeaturesarray<rest_endpoint_features_enum>Optionalsignup_modeenum<signup_mode>Optional