[assembly: OwinStartup(typeof(GestaoFrotas.Security.API.Startup))]

//configurando rotas
        config.MapHttpAttributeRoutes();
        config.Routes.MapHttpRoute(
             name: "DefaultApi",
             routeTemplate: "api/{controller}/{id}",
             defaults: new { id = System.Web.Http.RouteParameter.Optional }
         );

        ConfigureAccessToken(app);

        // ativando configuração WebApi
        app.UseWebApi(config);
    }

insira o código aqui


    [HttpGet]
    [Route("api/Autenticacao/ConfirmEmail")]
    public async Task<HttpResponseMessage> ConfirmEmail(string userId = "", string code = "")
    {

    }