scriptcs.cs

using System;
using System.IO;
using System.Web.Http;
using System.Web.Http.SelfHost;

var address = "http://localhost:8080";
var conf = new HttpSelfHostConfiguration(new Uri(address));
conf.Routes.MapHttpRoute(name: "DefaultApi",
   routeTemplate: "api/{controller}/{id}",
   defaults: new { id = RouteParameter.Optional }
);

var server = new HttpSelfHostServer(conf);
server.OpenAsync().Wait();
Console.WriteLine("Listening...");
Console.ReadKey();