Public developer tool
MQTT broker tester
Connect, subscribe, and publish through a broker's MQTT WebSocket endpoint. No Arektronika account is required.
disconnected
Broker connection
MQTT 3.1.1 over WebSocket
Credentials stay in this browser tab and are never sent to the Arektronika API. Prefer secure wss:// endpoints.
Subscribe
Publish a message
Send a test payload to the connected broker
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Latest 100 messages
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