# MQTT You can use these credentials to authenticate the following nodes with MQTT. - [MQTT](/integrations/nodes/n8n-nodes-base.mqtt/) - [MQTT Trigger](/integrations/trigger-nodes/n8n-nodes-base.mqttTrigger/) ## Prerequisites You need to have a MQTT broker installed. ## Using MQTT Use your Protocol, Host, Port, Username, and Password as the MQTT Trigger credential data in n8n. Optionally, you can enable SSL and provide a CA or Client certificate.