Presence

Automatic real-time detection of device and user online state

Enhance user experience with easy-to-use APIs for online/offline tracking, real-time user count, and more.
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What can you do with Presence?

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User Online state

Deliver instantaneous status updates whenever user state changes for any number of connected users across related apps.

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Audience count and location

Detect and update connected user counts and locations.

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Battery State Notifications

Monitor device battery state, and trigger events when thresholds are met.

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Functions

Trigger powerful serverless functions to run business logic whenever a user connects or disconnects.

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Webhooks

Configure PubNub to callback to your server (or any REST API) whenever a user state changes.

Where is Presence Used?

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User Lists - Create live-updating lists of online and offline users, like chat contact lists.

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IoT Device Management - Allow users to receive device status and control devices such as light bulbs, door locks, temperature sensors, and security cameras. 

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Ready to get started?

See our Documentation
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