Need to modify c++ git to add simple CURL/POST function

I am looking for an experienced C++ coder to modify my existing git code to add a simple CURL/POST function. The specific modification required is to add a successful POST request. Changes are only required to be made on the code side and not on the system side. I expect the modification to produce a successful POST request without any unnecessary code. The desired outcome will also offer increased security and faster response times.