How to access WebAPI from a .Net 3.5 client in C#

So, like me, you may have come across some incompatibility within your WebAPI client that means you can’t use .Net 4/4.5 (which is required to use HttpClient and HttpResponseMessage etc.) – or you’re writing a web service to fill in due to this incompatibility. This solution should allow you to access your API (using POST) […]