User state - Deliver instantaneous status updates whenever user state changes for any number of connected users across related apps.
Audience count and location - Detect and update connected user counts and locations.
Typing indicators - Show when a user is typing a chat message.
Battery State Notifications - Monitor device battery state, and trigger events when thresholds are met.
PubNub Functions - Trigger powerful serverless functions to run business logic whenever a user connects or disconnects.
Webhooks - Configure PubNub to callback to your server (or any REST API) whenever a user state changes.