In-App Messaging
Build connected experiences with powerful hosted messaging APIs
PubNub is the global, secure, and reliable way to send and receive data between any number of devices and users in real-time in under 100ms
What can you do with PubNub In-App Messaging?
Pub/Sub
PubNub’s Publish and Subscribe APIs make it easy to deliver high volume, in-app messages 1:1 or to an unlimited number of channels anywhere around the globe in less than 100ms.
Unlimited Channels
Combine up to 10,000 individual channels into a single connection so user/device can subscribe to unique combinations of message streams.
Message Reactions
Add delivery acknowledgements, read receipts, and end user reactions to make end messages more authentic.
Message Persistence
We save history, so devices can retrieve messages that were published with a simple API for accessing historical data - even when the device was offline.
Message Filters
Filter channels based on message metadata, so each device receives only the messages they need.
Where is In-App Messaging Used?
Frequently Asked Questions
What is PubNub’s geo-availability?
PubNub has over 15 points-of-presence worldwide supporting 800 million monthly active users, and 99.999% reliability, so you’ll never have to worry about outages, concurrency limits, or any latency issues caused by traffic spikes.
