I know I’m going to need this in a little while, just accumulating some research…
http://stackoverflow.com/questions/3506208/jquery-ajax-cross-domain
https://www.sencha.com/forum/showthread.php?299915-How-to-make-an-ajax-request-cross-origin-CORS
https://developer.mozilla.org/en-US/docs/Web/Security/Same-origin_policy