Reqwest the HTTP client library of Rust

Using the reqwest crate.

Reqwest is a Rust crate to handle HTTP requests.

• We use httpbin for checking examples.

• Simple blocking HTTP GET request in Rust - GET.

• Simple blocking HTTP POST request using Rust - POST, Client.

• Set the User-Agent in a HTTP request using Rust reqwest - header.

• HTTP reqwest sending cookie - header, Cookie.