From https://github.com/yhirose/cpp-httplib/tree/ff5677ad197947177c158fe857caff4f0e242045 with https://github.com/yhirose/cpp-httplib/pull/701 MIT License === cpp-httplib A C++11 header-only HTTP library. It's extremely easy to setup. Just include httplib.h file in your code! Inspired by Sinatra and express. © 2017 Yuji Hirose