req
Simple Go HTTP client with Black Magic
...API testing can be done with minimal code, no need to explicitly create any Request or Client, or even to handle errors. Detect and decode to utf-8 automatically if possible to avoid garbled characters (See Auto Decode), marshal request body and unmarshal response body automatically according to the Content-Type. Req support HTTP/1.1, HTTP/2, and HTTP/3, and can automatically detect the server side and select the optimal HTTP version for requests, you can also force the protocol if you want. Support automatic request retry and is fully customizable.