public static void Register(HttpConfiguration config) { // Web API configuration and services config.DependencyResolver = UnityAdapter.Resolve(config); // Web API routes config.MapHttpAttributeRoutes(); config.Routes.MapHttpRoute( name: "DefaultApi", routeTemplate: "api/{controller}/{id}", defaults: new { id = RouteParameter.Optional } ); var jsonFormatter = config.Formatters .OfType <JsonMediaTypeFormatter>().First(); jsonFormatter.SerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver(); }