diff --git a/AutoTask.Psa.Api/AutoTask.Psa.Api.csproj b/AutoTask.Psa.Api/AutoTask.Psa.Api.csproj
index c6d51d0..4d9e375 100644
--- a/AutoTask.Psa.Api/AutoTask.Psa.Api.csproj
+++ b/AutoTask.Psa.Api/AutoTask.Psa.Api.csproj
@@ -43,6 +43,7 @@
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json" />
     <PackageReference Include="Refit" />
+    <PackageReference Include="Refit.Newtonsoft.Json" />
     <PackageReference Include="System.ComponentModel.Annotations" />
   </ItemGroup>
   <ItemGroup>
@@ -50,4 +51,4 @@
     <None Include="Icon.png" Pack="true" PackagePath="" />
     <None Include="..\README.md" Pack="true" PackagePath="" Link="README.md" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/AutoTask.Psa.Api/AutoTaskClient.cs b/AutoTask.Psa.Api/AutoTaskClient.cs
index 209aaed..a04a20b 100644
--- a/AutoTask.Psa.Api/AutoTaskClient.cs
+++ b/AutoTask.Psa.Api/AutoTaskClient.cs
@@ -1,4 +1,6 @@
+using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
+using Newtonsoft.Json.Serialization;
 using System.Text;
 
 namespace AutoTask.Psa.Api;
@@ -31,18 +33,13 @@ public AutoTaskClient(HttpClient client)
 		_httpClient = client;
 		_refitSettings = new RefitSettings
 		{
-			//ContentSerializer = new NewtonsoftJsonContentSerializer(
-			//	new JsonSerializerSettings
-			//	{
-			//		// By default nulls should not be rendered out, this will allow the receiving API to apply any defaults.
-			//		// Use [JsonProperty(NullValueHandling = NullValueHandling.Include)] to send
-			//		// nulls for specific properties, e.g. disassociating port schedule ids from a port
-			//		NullValueHandling = NullValueHandling.Ignore,
-			//	#if DEBUG
-			//		MissingMemberHandling = MissingMemberHandling.Error,
-			//	#endif
-			//		Converters = new List<JsonConverter> { new StringEnumConverter() }
-			//	})
+			ContentSerializer = new NewtonsoftJsonContentSerializer(
+				new JsonSerializerSettings
+				{
+					NullValueHandling = NullValueHandling.Ignore,
+					ContractResolver = new CamelCasePropertyNamesContractResolver(),
+					Formatting = Formatting.Indented,
+				})
 		};
 		ActionTypes = RefitFor(ActionTypes!);
 		AdditionalInvoiceFieldValues = RefitFor(AdditionalInvoiceFieldValues!);
diff --git a/Directory.Packages.props b/Directory.Packages.props
index 4483ce3..2ee9318 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -18,6 +18,7 @@
     <PackageVersion Include="Nerdbank.GitVersioning" Version="3.10.85" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageVersion Include="Refit" Version="11.0.1" />
+    <PackageVersion Include="Refit.Newtonsoft.Json" Version="11.0.1" />
     <PackageVersion Include="Roslynator.Analyzers" Version="4.15.0" />
     <PackageVersion Include="System.ComponentModel.Annotations" Version="5.0.0" />
     <PackageVersion Include="Xunit.Microsoft.DependencyInjection" Version="10.0.4" />