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public_brokers
        Johan Rhodin edited this page Apr 16, 2025 
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        43 revisions
      
    This page is an effort to list the publically-accessible MQTT brokers, often useful for testing and prototyping.
Note: none of these test brokers (except mqtt.flespi.io and myqtthub.com) carry any guarantee of service. Be sensible when using them and don't break things for others! :-)
| field | value | 
|---|---|
| address | saas.theakiro.com | 
| port | 
1883 (TCP), 80 (WebSocket), 8883 (SSL), 443 (Secure WebSockets), 8080 (HTTP based MQTT messaging) | 
| type | akiro mqtt | 
| info | requires signup/username, information page, Sign UP | 
| 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 | 
| field | value | 
|---|---|
| address | mqtt.eclipse.org | 
| port | 
1883, 80 (WebSockets), 443(WebSockets+SSL) | 
| type | mosquitto | 
| info | web page | 
| field | value | 
|---|---|
| address | test.mosquitto.org | 
| port | 
1883, 8883 (SSL), 8884 (SSL+Client certificate), 8080 (WebSockets), 8081(WebSockets+SSL) | 
| type | mosquitto | 
| info | web page, topics and HTTP bridge, self-signed certificate (can cause errors with test clients) | 
| field | value | 
|---|---|
| address | broker.hivemq.com | 
| port | 
1883, 8000 (WebSockets) | 
| type | HiveMQ | 
| info | information page, stastistics and dashboard | 
| 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  | 
| 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 | 
| 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 | 
| field | value | 
|---|---|
| address | node02.myqtthub.com | 
| port | 
1883 (TCP), 8883 (SSL), 443 (Web, REST and API interface) | 
| type | MyQtthub | 
| info | requires signup/username, information page, REST API | 
| field | value | 
|---|---|
| address | mqtt.teserakt.io | 
| port | 
1883 (TCP) | 
| type | VerneMQ | 
| info | free, open, not for production (several performance limits, etc.), operated by Teserakt | 
| field | value | 
|---|---|
| address | adafruit.io | 
| port | 
1883 (TCP), 8883 (SSL), 443 (Secure WebSockets) | 
| type | Adafruit IO | 
| info | requires sign-up, free plan available (30 data points per minute, 30 days of data storage, 5 feed limit), getting started, MQTT API Docs, REST API Docs. | 
| field | value | 
|---|---|
| address | broker.emqx.io | 
| port | 
1883, 8883 (SSL), 8884 (SSL+Client certificate), 8083 (WebSockets), 8084(WebSockets+SSL) | 
| type | EMQ X | 
| info | web page | 
| field | value | 
|---|---|
| address | CloudAMQP | 
| port | 
1883 (TCP), 8883 (SSL), 443 (Secure WebSockets) | 
| type | LavinMQ/RabbitMQ | 
| info | requires sign-up, free plan available (40 connections, 2 million messages/month), MQTT Docs. | 
