diff --git a/GoCardlessSdk/Api/ApiClient.cs b/GoCardlessSdk/Api/ApiClient.cs
index ee25664..208d077 100644
--- a/GoCardlessSdk/Api/ApiClient.cs
+++ b/GoCardlessSdk/Api/ApiClient.cs
@@ -131,7 +131,7 @@ private static Dictionary<string, object> ToHash(object obj)
         {
             var client = new RestClient
                              {
-                                 BaseUrl = ApiUrl,
+                                 BaseUrl = new Uri(ApiUrl),
                                  UserAgent = GoCardless.UserAgent
                              };
             var serializer = new Newtonsoft.Json.JsonSerializer
diff --git a/GoCardlessSdk/Connect/ConnectClient.cs b/GoCardlessSdk/Connect/ConnectClient.cs
index 0e78394..85b0190 100644
--- a/GoCardlessSdk/Connect/ConnectClient.cs
+++ b/GoCardlessSdk/Connect/ConnectClient.cs
@@ -5,6 +5,7 @@
 using GoCardlessSdk.Helpers;
 using Newtonsoft.Json;
 using RestSharp;
+using RestSharp.Authenticators;
 
 namespace GoCardlessSdk.Connect
 {
@@ -40,11 +41,11 @@ private static Utils.HashParams SignParams(Utils.HashParams @params)
         private static string GenerateNewLimitUrl(string type, object requestResource,
             string redirectUri = null, string cancelUri = null, string state = null)
         {
-            var hash = new Utils.HashParams
-                           {
-                               {"client_id", GoCardless.AccountDetails.AppId},
-                               {"nonce", GoCardless.GenerateNonce()},
-                               {"timestamp", GoCardless.GetUtcNow().IsoFormatTime()},
+            var hash = new Utils.HashParams
+                           {
+                               {"client_id", GoCardless.AccountDetails.AppId},
+                               {"nonce", GoCardless.GenerateNonce()},
+                               {"timestamp", GoCardless.GetUtcNow().IsoFormatTime()},
                            };
 
             hash = requestResource.ToHashParams(hash, type);
@@ -149,7 +150,7 @@ public ConfirmResource ConfirmResource(NameValueCollection requestContent)
 
             var client = new RestClient
                              {
-                                 BaseUrl = ApiClient.ApiUrl,
+                                 BaseUrl = new Uri(ApiClient.ApiUrl),
                                  UserAgent = GoCardless.UserAgent
                              };
             var serializer = new JsonSerializer
@@ -161,7 +162,7 @@ public ConfirmResource ConfirmResource(NameValueCollection requestContent)
             var response = client.Execute(request);
             if (response.StatusCode != HttpStatusCode.OK)
             {
-                throw new ApiException("Unexpected response : " + (int)response.StatusCode + " " + response.StatusCode);
+                throw new ApiException("Unexpected response : " + (int)response.StatusCode + " " + response.StatusCode) { StatusCode = response.StatusCode };
             }
 
             return resource;
diff --git a/GoCardlessSdk/Exceptions.cs b/GoCardlessSdk/Exceptions.cs
index dce919b..6e23a90 100644
--- a/GoCardlessSdk/Exceptions.cs
+++ b/GoCardlessSdk/Exceptions.cs
@@ -11,6 +11,8 @@ public ApiException(string message) : base(message)
         public JObject Content { get; set; }
 
         public string RawContent { get; set; }
+
+        public System.Net.HttpStatusCode StatusCode { get; set; }
     }
     public class ClientException : Exception
     {
diff --git a/GoCardlessSdk/GoCardlessSdk.csproj b/GoCardlessSdk/GoCardlessSdk.csproj
index 91d446c..08a3e06 100644
--- a/GoCardlessSdk/GoCardlessSdk.csproj
+++ b/GoCardlessSdk/GoCardlessSdk.csproj
@@ -34,11 +34,13 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Newtonsoft.Json">
-      <HintPath>..\packages\Newtonsoft.Json.5.0.2\lib\net35\Newtonsoft.Json.dll</HintPath>
+    <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+      <HintPath>..\..\TipsTrade Applications\packages\Newtonsoft.Json.9.0.1\lib\net35\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
     </Reference>
-    <Reference Include="RestSharp">
-      <HintPath>..\packages\RestSharp.104.1\lib\net35\RestSharp.dll</HintPath>
+    <Reference Include="RestSharp, Version=105.2.3.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\TipsTrade Applications\packages\RestSharp.105.2.3\lib\net35\RestSharp.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
diff --git a/GoCardlessSdk/Partners/PartnerClient.cs b/GoCardlessSdk/Partners/PartnerClient.cs
index 103acf2..a100af7 100644
--- a/GoCardlessSdk/Partners/PartnerClient.cs
+++ b/GoCardlessSdk/Partners/PartnerClient.cs
@@ -3,6 +3,7 @@
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using RestSharp;
+using RestSharp.Authenticators;
 
 namespace GoCardlessSdk.Partners
 {
@@ -36,7 +37,7 @@ public MerchantAccessTokenResponse ParseCreateMerchantResponse(string redirectUr
 
             var client = new RestClient
                              {
-                                 BaseUrl = GoCardless.BaseUrl,
+                                 BaseUrl = new System.Uri( GoCardless.BaseUrl),
                                  UserAgent = GoCardless.UserAgent
                              };
             client.Authenticator = new HttpBasicAuthenticator(GoCardless.AccountDetails.AppId, GoCardless.AccountDetails.AppSecret);
@@ -54,7 +55,8 @@ public MerchantAccessTokenResponse ParseCreateMerchantResponse(string redirectUr
             {
                 throw new ApiException("Invalid response getting access token from " + tokenUrl)
                 {
-                    Content = JObject.Parse(response.Content)
+                    Content = JObject.Parse(response.Content),
+                    StatusCode = response.StatusCode,
                 };
             }
         }
diff --git a/GoCardlessSdk/WebHooks/GoCardlessRequest.cs b/GoCardlessSdk/WebHooks/GoCardlessRequest.cs
index cc7accd..4210c39 100644
--- a/GoCardlessSdk/WebHooks/GoCardlessRequest.cs
+++ b/GoCardlessSdk/WebHooks/GoCardlessRequest.cs
@@ -18,6 +18,7 @@ public class Payload
         public class Bill
         {
             public string Id { get; set; }
+            public string PayoutId { get; set; }
             public string Status { get; set; }
             public string SourceType { get; set; }
             public string SourceId { get; set; }
diff --git a/GoCardlessSdk/packages.config b/GoCardlessSdk/packages.config
index 230d023..1e88ec5 100644
--- a/GoCardlessSdk/packages.config
+++ b/GoCardlessSdk/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="5.0.2" targetFramework="net35" />
-  <package id="RestSharp" version="104.1" targetFramework="net35" />
+  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net35" />
+  <package id="RestSharp" version="105.2.3" targetFramework="net35" />
 </packages>
\ No newline at end of file
diff --git a/Sample.Mvc3/Sample.Mvc3.csproj b/Sample.Mvc3/Sample.Mvc3.csproj
index 886055b..761a0fe 100644
--- a/Sample.Mvc3/Sample.Mvc3.csproj
+++ b/Sample.Mvc3/Sample.Mvc3.csproj
@@ -21,6 +21,7 @@
     <UpgradeBackupLocation>
     </UpgradeBackupLocation>
     <OldToolsVersion>4.0</OldToolsVersion>
+    <MvcProjectUpgradeChecked>true</MvcProjectUpgradeChecked>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>