Send and receive messages with an MQTT client by connecting them to Hyyphen's MQTT Broker.
Use Hyyphen's MQTT Broker to talk to your on-premises equipment via their MQTT Clients, so that Hyyphen can take action when an event is detected.
Create a Webhook on Hyyphen that listens for events.
Periodically check the status of a web site.
Receive UDP messages over an IP connection.