public static void Register(HttpConfiguration config) { // Web API configuration and services var jsonFormatter = new JsonMediaTypeFormatter(); config.Services.Replace(typeof(IContentNegotiator), new JsonContentNegotiator(jsonFormatter)); var settings = jsonFormatter.SerializerSettings; settings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore; settings.Formatting = Formatting.Indented; settings.ContractResolver = new CamelCasePropertyNamesContractResolver(); // Configure Web API with the dependency resolver GlobalConfiguration.Configuration.DependencyResolver = AutofacBootStrapper.AutofacWebApiDependencyResolver(); // Web API routes config.MapHttpAttributeRoutes(); config.Routes.MapHttpRoute( name: "DefaultApi", routeTemplate: "api/{controller}/{id}", defaults: new { id = RouteParameter.Optional } ); }