ThingSpeak™ has an MQTT broker at the URL
Configure your MQTT client to communicate with the ThingSpeak MQTT
broker based on one of the following options:
Note: If your hardware supports secure SSL socket connection mode, use that mode to communicate with the ThingSpeak MQTT broker whenever possible.
ThingSpeak implements MQTT publish functionality with
This is a "fire-and-forget" protocol which means your client does
not get any acknowledgment when you publish to a ThingSpeak channel.