diff --git a/MediaBrowser.Api/HttpHandlers/PlaybackCheckInHandler.cs b/MediaBrowser.Api/HttpHandlers/PlaybackCheckInHandler.cs
deleted file mode 100644
index 9de3e2791..000000000
--- a/MediaBrowser.Api/HttpHandlers/PlaybackCheckInHandler.cs
+++ /dev/null
@@ -1,110 +0,0 @@
-using MediaBrowser.Common.Net.Handlers;
-using MediaBrowser.Controller;
-using MediaBrowser.Controller.Entities;
-using MediaBrowser.Controller.Library;
-using MediaBrowser.Model.Connectivity;
-using MediaBrowser.Model.Dto;
-using System;
-using System.Threading.Tasks;
-
-namespace MediaBrowser.Api.HttpHandlers
-{
-    /// <summary>
-    /// Provides a handler to set played status for an item
-    /// </summary>
-    public class PlaybackCheckInHandler : BaseSerializationHandler<Kernel, UserItemDataDto>
-    {
-        /// <summary>
-        /// Gets the object to serialize.
-        /// </summary>
-        /// <returns>Task{DtoUserItemData}.</returns>
-        protected override async Task<UserItemDataDto> GetObjectToSerialize()
-        {
-            // Get the user
-            var user = await this.GetCurrentUser().ConfigureAwait(false);
-
-            var clientType = ClientType.Other;
-
-            if (!string.IsNullOrEmpty(QueryString["client"]))
-            {
-                ClientType type;
-
-                if (Enum.TryParse(QueryString["client"], true, out type))
-                {
-                    clientType = type;
-                }
-            }
-
-            var device = QueryString["device"];
-            
-            // Get the item
-            var item = DtoBuilder.GetItemByClientId(QueryString["id"], user.Id);
-
-            // Playback start check-in
-            if (QueryString["type"].Equals("start", StringComparison.OrdinalIgnoreCase))
-            {
-                Kernel.UserDataManager.OnPlaybackStart(user, item, clientType, device);
-            }
-            else
-            {
-                long? positionTicks = null;
-
-                if (!string.IsNullOrEmpty(QueryString["positionTicks"]))
-                {
-                    positionTicks = long.Parse(QueryString["positionTicks"]);
-                }
-
-                // Progress check-ins require position ticks
-                if (QueryString["type"].Equals("progress", StringComparison.OrdinalIgnoreCase))
-                {
-                    await Kernel.UserDataManager.OnPlaybackProgress(user, item, positionTicks, clientType, device).ConfigureAwait(false);
-                }
-                else if (QueryString["type"].Equals("stopped", StringComparison.OrdinalIgnoreCase))
-                {
-                    await Kernel.UserDataManager.OnPlaybackStopped(user, item, positionTicks, clientType, device).ConfigureAwait(false);
-                }
-            }
-             
-            var data = item.GetUserData(user, true);
-
-            return new DtoBuilder(null).GetDtoUserItemData(data);
-        }
-
-        /// <summary>
-        /// Gets the current user.
-        /// </summary>
-        /// <returns>User.</returns>
-        /// <exception cref="System.UnauthorizedAccessException"></exception>
-        public async Task<User> GetCurrentUser()
-        {
-            var handler = this;
-            var id = handler.QueryString["userid"];
-
-            var user = ApiService.GetUserById(id);
-
-            if (user == null)
-            {
-                throw new UnauthorizedAccessException(string.Format("User with Id {0} does not exist", id));
-            }
-
-            var clientType = ClientType.Other;
-
-            if (!string.IsNullOrEmpty(handler.QueryString["client"]))
-            {
-                ClientType type;
-
-                if (Enum.TryParse(handler.QueryString["client"], true, out type))
-                {
-                    clientType = type;
-                }
-            }
-
-            var device = handler.QueryString["device"];
-
-            await Controller.Kernel.Instance.UserManager.LogUserActivity(user, clientType, device).ConfigureAwait(false);
-
-            return user;
-        }
-
-    }
-}
\ No newline at end of file
diff --git a/MediaBrowser.Api/MediaBrowser.Api.csproj b/MediaBrowser.Api/MediaBrowser.Api.csproj
index c6c822624..fb7fe0b29 100644
--- a/MediaBrowser.Api/MediaBrowser.Api.csproj
+++ b/MediaBrowser.Api/MediaBrowser.Api.csproj
@@ -75,7 +75,6 @@
     </Compile>
     <Compile Include="ApiService.cs" />
     <Compile Include="EnvironmentService.cs" />
-    <Compile Include="HttpHandlers\PlaybackCheckInHandler.cs" />
     <Compile Include="Images\ImageRequest.cs" />
     <Compile Include="Images\ImageService.cs" />
     <Compile Include="Images\ImageWriter.cs" />
diff --git a/MediaBrowser.Api/UserLibrary/UserLibraryService.cs b/MediaBrowser.Api/UserLibrary/UserLibraryService.cs
index 4267947ad..4ec2aca49 100644
--- a/MediaBrowser.Api/UserLibrary/UserLibraryService.cs
+++ b/MediaBrowser.Api/UserLibrary/UserLibraryService.cs
@@ -3,6 +3,7 @@ using MediaBrowser.Controller;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Movies;
 using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Connectivity;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Serialization;
@@ -215,6 +216,66 @@ namespace MediaBrowser.Api.UserLibrary
         public string Id { get; set; }
     }
 
+    [Route("/Users/{UserId}/PlayingItems/{Id}", "POST")]
+    public class OnPlaybackStart : IReturnVoid
+    {
+        /// <summary>
+        /// Gets or sets the user id.
+        /// </summary>
+        /// <value>The user id.</value>
+        public Guid UserId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the id.
+        /// </summary>
+        /// <value>The id.</value>
+        public string Id { get; set; }
+    }
+
+    [Route("/Users/{UserId}/PlayingItems/{Id}/Progress", "POST")]
+    public class OnPlaybackProgress : IReturnVoid
+    {
+        /// <summary>
+        /// Gets or sets the user id.
+        /// </summary>
+        /// <value>The user id.</value>
+        public Guid UserId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the id.
+        /// </summary>
+        /// <value>The id.</value>
+        public string Id { get; set; }
+
+        /// <summary>
+        /// Gets or sets the position ticks.
+        /// </summary>
+        /// <value>The position ticks.</value>
+        public long? PositionTicks { get; set; }
+    }
+
+    [Route("/Users/{UserId}/PlayingItems/{Id}", "DELETE")]
+    public class OnPlaybackStopped : IReturnVoid
+    {
+        /// <summary>
+        /// Gets or sets the user id.
+        /// </summary>
+        /// <value>The user id.</value>
+        public Guid UserId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the id.
+        /// </summary>
+        /// <value>The id.</value>
+        public string Id { get; set; }
+
+        /// <summary>
+        /// Gets or sets the position ticks.
+        /// </summary>
+        /// <value>The position ticks.</value>
+        public long? PositionTicks { get; set; }
+    }
+    
     /// <summary>
     /// Class GetLocalTrailers
     /// </summary>
@@ -515,6 +576,55 @@ namespace MediaBrowser.Api.UserLibrary
             Task.WaitAll(task);
         }
 
+        /// <summary>
+        /// Posts the specified request.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        public void Post(OnPlaybackStart request)
+        {
+            var kernel = (Kernel)Kernel;
+
+            var user = kernel.GetUserById(request.UserId);
+
+            var item = DtoBuilder.GetItemByClientId(request.Id, user.Id);
+            
+            kernel.UserDataManager.OnPlaybackStart(user, item, ClientType.Other, string.Empty);
+        }
+
+        /// <summary>
+        /// Posts the specified request.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        public void Post(OnPlaybackProgress request)
+        {
+            var kernel = (Kernel)Kernel;
+
+            var user = kernel.GetUserById(request.UserId);
+
+            var item = DtoBuilder.GetItemByClientId(request.Id, user.Id);
+
+            var task = kernel.UserDataManager.OnPlaybackProgress(user, item, request.PositionTicks, ClientType.Other, string.Empty);
+
+            Task.WaitAll(task);
+        }
+
+        /// <summary>
+        /// Posts the specified request.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        public void Post(OnPlaybackStopped request)
+        {
+            var kernel = (Kernel)Kernel;
+
+            var user = kernel.GetUserById(request.UserId);
+
+            var item = DtoBuilder.GetItemByClientId(request.Id, user.Id);
+
+            var task = kernel.UserDataManager.OnPlaybackStopped(user, item, request.PositionTicks, ClientType.Other, string.Empty);
+
+            Task.WaitAll(task);
+        }
+
         /// <summary>
         /// Deletes the specified request.
         /// </summary>
diff --git a/MediaBrowser.Common/Extensions/BaseExtensions.cs b/MediaBrowser.Common/Extensions/BaseExtensions.cs
index 5342cff4b..de9690140 100644
--- a/MediaBrowser.Common/Extensions/BaseExtensions.cs
+++ b/MediaBrowser.Common/Extensions/BaseExtensions.cs
@@ -61,7 +61,7 @@ namespace MediaBrowser.Common.Extensions
         /// <returns>Guid.</returns>
         public static Guid GetMD5(this string str)
         {
-            using (var provider = new MD5CryptoServiceProvider())
+            using (var provider = MD5.Create())
             {
                 return new Guid(provider.ComputeHash(Encoding.Unicode.GetBytes(str)));
             }
diff --git a/MediaBrowser.Common/Kernel/BaseKernel.cs b/MediaBrowser.Common/Kernel/BaseKernel.cs
index 50dca1e4c..7a1492359 100644
--- a/MediaBrowser.Common/Kernel/BaseKernel.cs
+++ b/MediaBrowser.Common/Kernel/BaseKernel.cs
@@ -1,7 +1,6 @@
 using MediaBrowser.Common.Events;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Common.Plugins;
-using MediaBrowser.Common.ScheduledTasks;
 using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Logging;
 using MediaBrowser.Model.Serialization;
diff --git a/MediaBrowser.Common/Kernel/TcpManager.cs b/MediaBrowser.Common/Kernel/TcpManager.cs
index 6ea390904..1c76b42f9 100644
--- a/MediaBrowser.Common/Kernel/TcpManager.cs
+++ b/MediaBrowser.Common/Kernel/TcpManager.cs
@@ -1,6 +1,7 @@
 using MediaBrowser.Common.Net;
 using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.Serialization;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -12,7 +13,6 @@ using System.Reflection;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
-using MediaBrowser.Model.Serialization;
 
 namespace MediaBrowser.Common.Kernel
 {