Episerver Rest API and Routing Example

    /// <summary>
    /// The REST WEB API Configuration class
    /// </summary>
    [InitializableModule]
    [ModuleDependency(typeof(FrameworkInitialization))]
    public class WebApiConfig : IInitializableModule
    {
        public static string ApiRoute = "api";

        public void Initialize(InitializationEngine contextd)
        {
            // Enable Web API routing
            GlobalConfiguration.Configure(config =>
            {
                // Attribute routing
                config.MapHttpAttributeRoutes();

                var formatters = GlobalConfiguration.Configuration.Formatters;
                var jsonFormatter = formatters.JsonFormatter;
                var settings = jsonFormatter.SerializerSettings;

                var enumConverter = new Newtonsoft.Json.Converters.StringEnumConverter();
                jsonFormatter.SerializerSettings.Converters.Add(enumConverter);

                settings.Formatting = Formatting.Indented;

                config.Formatters.Remove(config.Formatters.XmlFormatter);

                // config.MapHttpAttributeRoutes();

                config.Routes.MapHttpRoute(
                    name: "RestAPI",
                    routeTemplate: ApiRoute + "/{controller}/{id}",
                    defaults: new {id = RouteParameter.Optional});
            });


        }

        public void Uninitialize(InitializationEngine context)
        {
            throw new NotImplementedException();
        }
    }

[RoutePrefix("api")]
    public class RestApiController : ApiController
    {


  [HttpGet]
        [Route("methods")]
        public string MethodsIndex()
        { //do something
        }

}