Though The I have completed this small demo. But I have not written any step by step tutorial on my Blog. Till then you can watch my video tutorial on this link &gt;&gt; Hello,<a target="_blank" rel="noopener noreferrer" href="https://goo.gl/dKufr2">https://goo.gl/dKufr2</a><br><br><br>We are simply connecting one LED to esp8266 in this video and then connecting to a MQTT broker called <a target="_blank" rel="noopener noreferrer" href="http://io.reteiot.com">io.reteiot.com</a> , which allows REST api based communication with Chatfuel, which is a chat bot services.<br><br>I tried ti simplify and open the code for every one. If any one still have any doubt, don&apos;t forget to ask in the video comment section.<br><br>Hope this tutorial will useful.<br><br>Thanks