This API enables cross-origin requests to anywhere.

Usage:

/               Shows help
/iscorsneeded   This is the only resource on this host which is served without CORS headers.
/<url>          Create a request to <url>, and includes CORS headers in the response.

The protocol can be omitted. It defaults to http:, unless port 443 is specified.

Demo        :   http://rob.lekensteyn.nl/cors-anywhere.html
Source code :   https://github.com/Rob--W/cors-anywhere/