diff --git a/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/Service1.cs b/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/Service1.cs
index f1375da..6f3b5fb 100644
--- a/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/Service1.cs
+++ b/DataCenter_Windows/WindowsDataCenter/WindowsDataCenter/Service1.cs
@@ -1,15 +1,9 @@
 using System;
 using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Diagnostics;
-using System.Linq;
 using System.Net;
 using System.Net.Http;
 using System.ServiceProcess;
-using System.Text;
 using System.Threading;
-using System.Threading.Tasks;
 using System.Web.Http;
 using DalSoft.WebApi.HelpPage;
 using Microsoft.Owin.FileSystems;
@@ -77,14 +71,16 @@ namespace WindowsDataCenter
         public void Configuration(IAppBuilder appBuilder)
         {
             var config = new HttpConfiguration();
+            config.MapHttpAttributeRoutes();
             config.Routes.MapHttpRoute(
                 name: "DefaultApi",
                 routeTemplate: "api/{controller}/{id}",
                 defaults: new { id = RouteParameter.Optional }
                 );
 
-            appBuilder.UseWebApi(config);
 
+            appBuilder.UseWebApi(config);
+            
 #if DEBUG
             //Add the help-pages extension only in Debug mode.
             appBuilder.UseWebApiHelpPage(config, "help-pages");
@@ -117,6 +113,32 @@ namespace WindowsDataCenter
             var respMsg =  new HttpResponseMessage(HttpStatusCode.OK);
             return ResponseMessage(respMsg);
         }
+
+        /// <summary>
+        /// Get unassigned card Ids in the system.
+        /// </summary>
+        /// <returns>Json object containing list of unassigned card objects</returns>
+        /// <example>
+        ///   > Get: http://{baseaddress}:port/api/swipedata/unassigned
+        ///   > Returns: 
+        ///     {
+        ///         "data": [
+        ///             {
+        ///                 "id": 0,
+        ///                 "Id": 0,
+        ///                 "UserId": -1,
+        ///                 "IsSelected": false,
+        ///                 "CardUId": "39c6ec38-3879-4ee6-99ae-0a55777f6b86"
+        ///             }  
+        ///         ]      
+        ///     }
+        /// </example>
+        [HttpGet]
+        [Route("api/swipedata/unassigned")]
+        public IHttpActionResult GetUnassignedCards()
+        {
+            throw new NotImplementedException();
+        }
     }
 
     public class ValuesController : ApiController
@@ -127,28 +149,6 @@ namespace WindowsDataCenter
         }
     }
 
-    public class RouteController : ApiController
-    {
-        public IHttpActionResult Get()
-        {
-            List<RouteObject> routeList = new List<RouteObject>();
-            var routes = GlobalConfiguration.Configuration.Routes;
-            foreach (var route in routes)
-            {
-                var obj = new RouteObject();
-                obj.RouteUrl = route.RouteTemplate;
-                routeList.Add(obj);
-            }
-
-            return Json(routeList);
-        }
-
-        class RouteObject
-        {
-            public string RouteUrl { get; set; }
-        }
-    }
-
     public class UsersController : ApiController
     {
         public IHttpActionResult GetUsers()