Designer 10.7 | webMethods Service Development Help | Appendix | Usage Notes on REST API Descriptor
 
Usage Notes on REST API Descriptor
*A REST API Descriptor (RAD) created from REST resources using the legacy approach can include a resource with a _default service. However, Integration Server does not create an operation that corresponds to the _default service.
*For REST resources using the legacy approach, Integration Server obtains the Base Path value in Specify REST API Descriptor General Details panel while creating RAD from the watt.server.RESTDirective server configuration parameter and the default path is /rest.