public static void Register(HttpConfiguration config) { // Web API configuration and services // ---- CORS ---- var corsAttr = new EnableCorsAttribute("*", "*", "*"); config.EnableCors(corsAttr); // ---- JSON ---- config.Formatters.Remove(config.Formatters.XmlFormatter); var json = config.Formatters.JsonFormatter; json.SerializerSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore; // ---- Dependency Injection ---- config.DependencyResolver = new UnityResolver(Injection.RegisterInjection()); // ---- Web API routes ---- config.MapHttpAttributeRoutes(); config.Routes.MapHttpRoute( name: "DefaultApi", routeTemplate: "api/{controller}/{id}", defaults: new { id = RouteParameter.Optional } ); }