ReqBin is a free, online HTTP/REST/SOAP API client.
With ReqBin you can send custom HTTP requests to your server and examine the server responses, test server perfomance and detect security problems by sending modified requests without authorization headers, cookies, etc.
ReqBin is maintained by HTTP Debugger Team which provides a professional Proxy-less HTTP sniffer for developers to debug HTTP API calls to back-ends and between back-ends.
Free Tools by HTTP Debugger Team
HttpReply - simulate HTTP API server responses by replying with files from local disk.
NetThrottler - slow down your network speed and test your website or desktop app on slow connections.
HostRemapper - retarget HTTP requests from production server to your local machine.