A single proxy server to authenticate requests to multiple internal APIs. Experimenting with using Node.js as a single point of entry to access internal APIs. The idea being you have _a single_ entry point so APIs can remain inaccessible to the outside world and you only have to edit a single point when making security enhancements. Individual APIs are secured by having to pass a `client_id`, `username`, and `password` along with the request. This is validated early in the request.