SERVER ROUTE
[HttpGet("server/status")]
        public ServerStatus GetServerStatus([FromBody]MasterUserCredentials credentials)
        {
            // Check for master user
            if(MasterUserCredentials.CheckCredentialsOf(credentials)) // Static class that compares the credentials provided with the correct credentials for a master user and check his role
            {
                return ServerStatus.Good;
            }
        }

WPF APPLICATION THAT CAN USE ANYBODY
// Get server status
var status = WebUtilities.GetAsync<ServerStatus>("localhost:5000/server/status",
                new MasterUserCredentials { Username = "THIS SHOULD NOT BE HERE", Password = "ALSO THIS SHOULD NOT BE HERE" });