MQTT Public Brokers List

This page contains list of public MQTT broker address what you can use to test your client connections without installing MQTT Broker on your computer/server. Please keep in mind that none of the free to use public Brokers guarantee 24/7 service and don’t use security related application on public services.

Free to use Public Brokers – Without signup required

Address mqtt.eclipse.org
Port1883
Websocket port80
SSL port443
Info https://iot.eclipse.org/getting-started/#sandboxes
Addresstest.mosquitto.org
Port1883
Websocket port80
SSL port8883 or 8884
Info https://test.mosquitto.org/
Addressbroker.hivemq.com
Port1883
Websocket port8000
SSL port
Info http://www.mqtt-dashboard.com/
Address mqtt.fluux.io
Port1883
Websocket port
SSL port 8883
Info https://fluux.io/

Free Public Brokers – Signup Required to use!

Address mqtt.flespi.io
Port1883
Websocket port80 or 443
SSL port8883
Signup https://flespi.com/mqtt-broker
Address mqtt.dioty.co
Port1883
Websocket port8080 or 8880
SSL port8883
Signup http://www.dioty.co/

Private MQTT Brokers

NameMicrosoft Azure
Information https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-mqtt-support
NameAmazon AWS
Information https://docs.aws.amazon.com/iot/latest/developerguide/mqtt.html
NameCloudMQTT
Information https://www.cloudmqtt.com/plans.html