How to list all availables routes from a webapi application

global.asax.cs

#region Usings

using System;
using System.Web;
using System.Web.Helpers;
using System.Web.Http;
using System.Web.Http.Description;
using System.Web.Mvc;

#endregion Usings

namespace JFR.SampleApp
{
    public class WebApiApplication : System.Web.HttpApplication
    {
        protected void Application_Start()
        {
            var _ApiExplorer = GlobalConfiguration.Configuration.Services.GetApiExplorer();

            foreach (var _Api in _ApiExplorer.ApiDescriptions)
            {
                System.Diagnostics.Debug.WriteLine("-----------------------------------------------------------");
                System.Diagnostics.Debug.WriteLine("Uri path: {0}", _Api.RelativePath);
                System.Diagnostics.Debug.WriteLine("HTTP method: {0}", _Api.HttpMethod);
                foreach (var _Parameter in _Api.ParameterDescriptions)
                {
                    System.Diagnostics.Debug.WriteLine("Parameter: {0} - {1}", _Parameter.Name, _Parameter.Source);
                }
                Console.WriteLine();
            }

        }
    }

}