If you start the server, accessing the /api-docs route will provide access to the main Swagger screen, as follows:
Interaction is easy: select an area, click on a given request, and you'll get the list of all routes and operations. Let's see, for example, how to get the regions for Uruguay. First, we must get a token, so we want to open the token area and enter the necessary user and password, as shown in the following screenshot: