Since 2011, twimlbin.com has made it even easier to use Twilio by removing the need to spin-up a web server for prototyping simple applications. Over 10 million requests have been made from Twilio to twimlbin.com powering tens of thousands of Twilio applications.
Now, Developers can create TwiML documents directly in the Twilio Console. Creating a new TwiML Bin is easy. Just log-in to the Twilio Console and go to TwiML Bins.
This Public Twimlbin URL - use this as the URL when setting up a Twilio number
Put your valid TwiML (invalid XML will be shown in red) into the editor above. When Twilio requests this URL, we'll serve them that content directly rather than this formatted page.