Example Global.cs

public class Global : System.Web.HttpApplication
{

    private static MSLogger log = MSLogger.GetLogger(typeof(Global));

    public Global()
    {

    }

    void Application_Start(object sender, EventArgs e)
    {
        RouteTable.Routes.Add(new ServiceRoute("api/1.0/authentication", new CustomWebServiceHostFactory(), typeof(AuthenticationService)));
        RouteTable.Routes.Add(new ServiceRoute("api/1.0/account", new CustomWebServiceHostFactory(), typeof(AccountService)));
        
    }
}