This page is an effort to list the publically-accessible MQTT public brokers, often useful for testing and prototyping.
Note: none of these test mqtt public brokers carry any guarantee of service. Be sensible when using them and don’t break things for others! 🙂
MQTT Public Brokers
| field |
value |
| address |
mqtt.flespi.io |
| port |
1883 (TCP), 80 (WebSocket), 8883 (SSL), 443 (Secure WebSockets) |
| type |
flespi |
| info |
requires signup/username, information page, REST API, MQTT 5.0 compliant |
You may like also: What is MQTT? | IoT Data Protocol | IoT Wireless Protocol
You may like also:How To Create Secure MQTT Broker
| field |
value |
| address |
www.cloudmqtt.com (Note: actual host varies, see dashboard) |
| port |
18443, 28443 (SSL) |
| type |
mosquitto |
| info |
requires signup/username and password, pricing (free plan available), documentation |
| field |
value |
| address |
mqtt.dioty.co |
| port |
1883 (MQTT), 8883 (MQTT+SSL), 8080 (WebSockets), 8880 (WebSockets+SSL) |
| type |
mosca |
| info |
Free – requires signup/username and password, documentation, includes mobile IoT app (iOS and Android) |
| field |
value |
| address |
mqtt.swifitch.cz |
| port |
1883 (MQTT) |
| type |
mosquitto |
| info |
Free, it is mostly running for Swifitch project, but you can use it too for testing your IoT or whatever ;), it is running on Raspberry Pi profesional VPS. |
| field |
value |
| address |
broker.bevywise.com |
| port |
1883 (TCP), 8443 (WebSockets) |
| type |
Bevywise |
| info |
web page. Secure. Need to sign up to view your devices. Use MQTT Authentication in your devices to connect securely. Free trial with unsecure ports (see https://devicemanager.bevywise.com/help) |
| field |
value |
| address |
mqtt.fluux.io |
| port |
1883 (TCP), 8883 (TLS) |
| type |
ejabberd |
| info |
Free – no registration required, MQTT 5.0 compliant |
You may like also:How To Create Secure MQTT Broker
| field |
value |
| address |
console.solace.cloud (MQTT hostname varies, see dashboard) |
| port |
TCP, TLS, WS, WSS: varies per instance |
| type |
solace |
| info |
requires sign-up, free plan available (50 connections), getting started, docs |
These MQTT public brokers are useful only for testing and prototyping. If you used for your project please read this article. How To Create Secure MQTT Broker
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