Connect in minutes
Use the free public MQTT broker — no installation required.
Host: demo.tbmq.io
TCP Port: 1883
TLS Port: 8883
Username: demo
Password: (leave empty)
# Subscribe to a topicmosquitto_sub -d -h demo.tbmq.io -p 1883 -q 1 \ -t sensors/temperature -u demo# Publish a messagemosquitto_pub -d -h demo.tbmq.io -p 1883 -q 1 \ -t sensors/temperature -m 25 -u demo