Know instantly when devices come online or drop offline.
Combine Presence with Access Manager for fine-grain access control for device & user metadata.
Persistent monitoring of any device attribute or user state you specify.
Simple API to tell who is online, what channels they are subscribed to, and their custom status.
Online/offline and state monitoring is useless if it isn’t reliable. Presence is built on the PubNub DSN for 99.999% uptime guaranteed.
Presence opens dedicated channels to track online/offline status and state events.
Get maximum visibility into device/user behavior with an automatically-created Presence Events channel for each Publish/Subscribe channel in your architecture.
Global latencies average under 250ms; local latencies under 100ms.