Visual Studio 2013 came with a new version of Web API. The Web API 2.1 update includes a host of new features, including support for Binary JSON. Learn how to leverage BSON by building a Web API 2.1 ...

In this case "rpt" is a single item of my class, this writes the JSON file correctly. I have also tried serializing a List<> of my class and the serializer builds the output correctly. All good so ...