Full-featured, plugin-driven, extensible HTTP client toolkit for Go
    Full-featured, plugin-driven, middleware-oriented toolkit to easily create rich, versatile and composable HTTP clients in Go.
    gentleman embraces extensibility and composition principles in order to provide a flexible way to easily create featured HTTP client layers based on built-in or third-party plugins that you can register and reuse across HTTP clients.
    https://github.com/h2non/gentleman