The REST API descriptor (RAD) displays the list of servers defined in the OpenAPI document under the Server tab. The servers are listed under the Servers node and by default, Integration Server populates the server where the OpenAPI document is imported. Each server consists of a URL and a description. The server URL specifies the base path for the OpenAPI invocation. You can add a new server and modify or delete an existing server; however, when you refresh the RAD, Designer overwrites these modifications.

If you want users to access the APIs using the server URLs specified under the Servers tab, you must create URL alias for the base path mentioned in the URL corresponding to the namespace of the REST API descriptor. For more information about creating a URL alias, see Creating a Path Alias for a Service.