public static void Register(HttpConfiguration config) { // Web API configuration and services // Web API routes config.MapHttpAttributeRoutes(); var container = new UnityContainer(); LoadServices load = new LoadServices(container); config.DependencyResolver = new UnityResolver(load.Load()); config.Routes.MapHttpRoute( name: "DefaultApi", routeTemplate: "api/{controller}/{action}/{id}", defaults: new { id = RouteParameter.Optional } ); }