diff --git a/Playback.sln b/Playback.sln
index d6461bb..c4cb14a 100644
--- a/Playback.sln
+++ b/Playback.sln
@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.27130.2003
+VisualStudioVersion = 15.0.27130.2027
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ApiGateway Sample", "tst\ApiGateway Sample\ApiGateway Sample.csproj", "{CCA7E1DD-CF4A-48F2-B4B5-48360B813066}"
 EndProject
@@ -16,6 +16,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tst", "tst", "{E98DA495-144
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "pmilet.Playback", "src\pmilet.Playback\pmilet.Playback.csproj", "{62A32EB4-8F55-4644-9FC5-0F449D88176B}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{203F4BB3-4B70-4EBB-A77D-339E3300428F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -36,6 +38,7 @@ Global
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{CCA7E1DD-CF4A-48F2-B4B5-48360B813066} = {E98DA495-144B-4E71-A48E-0CFDF8667175}
+		{62A32EB4-8F55-4644-9FC5-0F449D88176B} = {203F4BB3-4B70-4EBB-A77D-339E3300428F}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {2323340C-4725-4D0D-8A6E-F61F82BC5FC6}
diff --git a/src/pmilet.Playback/FakeFactoryBase.cs b/src/pmilet.Playback/FakeFactoryBase.cs
index 5418b21..3c4a943 100644
--- a/src/pmilet.Playback/FakeFactoryBase.cs
+++ b/src/pmilet.Playback/FakeFactoryBase.cs
@@ -10,16 +10,17 @@
 using System.Net.Http;
 using Microsoft.AspNetCore.Http;
 using System.Reflection;
+using Newtonsoft.Json.Serialization;
 
 namespace pmilet.Playback
 {
     public abstract class FakeFactoryBase : IFakeFactory
     {
-        protected bool GenerateFakeResponse<TRequest, TResponse>(HttpContext context, Func<TRequest, TResponse> func)
+        protected bool GenerateFakeResponse<TRequest, TResponse>(HttpContext context, Func<TRequest, TResponse> func, Encoding encoding = null)
         {
             dynamic request = context.Request.Method != "GET" ? Deserialize<TRequest>(context.Request.Body) : GetFromQueryString(context, typeof(TRequest));
             var response = func(request);
-            Stream fakeResponseStream = Serialize<TResponse>(response);
+            Stream fakeResponseStream = Serialize<TResponse>(response, encoding);
             fakeResponseStream.CopyToAsync(context.Response.Body);
             return true;
         }
@@ -33,10 +34,12 @@ protected T Deserialize<T>(Stream body)
             }
         }
 
-        protected Stream Serialize<T>(T body)
+        protected Stream Serialize<T>(T body, Encoding encoding)
         {
-            string serializedBody = JsonConvert.SerializeObject(body);
-            var bytes = Encoding.UTF8.GetBytes(serializedBody);
+            var jsonSerializerSettings = new JsonSerializerSettings { ContractResolver = new CamelCasePropertyNamesContractResolver() };
+            string serializedBody = JsonConvert.SerializeObject(body, jsonSerializerSettings);
+            encoding = encoding ?? Encoding.UTF8;
+            var bytes = encoding.GetBytes(serializedBody);
             MemoryStream m = new MemoryStream(bytes);
             return m;
         }