ThingSpeak

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MQTT Client Configuration

ThingSpeak™ has an MQTT broker at the URL mqtt.thingspeak.com. Configure your MQTT client to communicate with the ThingSpeak MQTT broker based on one of the following options:

Port

Connection Type

Encryption

1883

TCP

None

8883

TCP

TLS/SSL

80

WebSocket

None

443

WebSocket

TLS/SSL

    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 QoS 0. This is a "fire-and-forget" protocol which means your client does not get any acknowledgment when you publish to a ThingSpeak channel.

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