Twilio Rickrolls You Using Their API

I have been working with the Twilio API for a few of my projects. I have used Twilio to call me when disk space is running low on a server or to call my house and request its status. Twilio is a cloud-based communications platform for sending and receiving text messages or placing phone calls. Twilio is wrapped up nicely with a RESTful API so ThingSpeak or MATLAB can use it without a lot of setup.

Tonight, I was following a beginner tutorial that I wrote for using Twilio and ThingSpeak, and I noticed that their voice example plays a friendly greeting and then by surprise Twilio starts playing Rick Astley’s “Never Gonna Give You Up”, for the world’s geekiest rickroll.

Twilio’s example points to this Url: https://demo.twilio.com/docs/voice.xml.

If you look closer you will see the following code:

<?xml version="1.0" encoding="UTF-8"?>
<Response>
    <Say voice="alice">Thanks for trying our documentation. Enjoy!</Say>
    <Play>http://demo.twilio.com/docs/classic.mp3</Play>
</Response>

Go ahead and click: http://demo.twilio.com/docs/classic.mp3

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