How to save / receive jpg image or any binary data in C# Web Api 2

Searched all through the web for a simple way to save / receive binary data or image file using Web Api 2. Solutions range from very complex to complex: using JSON (30% overhead?) BSON (looks nice, but not widely supported – bsonspec.org) Multipart MIME (why multi-part, if we have only one file?) Complex Web Api …