A simple lightweight HTTP Request Library

Unirest is a set of lightweight HTTP libraries available in multiple languages. This is a port of the Java library to .NET.

Basic POST request example:

HttpResponse<MyClass> jsonResponse = Unirest.post("http://httpbin.org/post")
  .header("accept", "application/json")
  .field("parameter", "value")
  .field("foo", "bar")
  .asJson<MyClass>();

Async, file uploads, custom entity bodies and multiple method types (get, post, put, patch, delete) are supported.

via Unirest for .NET - Simplified, lightweight HTTP Request Library.