Check out twilio's documentation on their REST API: http://www.twilio.com/docs/api/2010-04-01/rest/response#hypermedia http://www.twilio.com/docs/api/2010-04-01

Check out twilio's documentation on their REST API: http://www.twilio.com/docs/api/2010-04-01/rest/response#hypermedia http://www.twilio.com/docs/api/2010-04-01/rest/response#hype... Since their core product is an API, they've done a really good job building in all the levels of REST discussed in the article, including discoverability.