Documentation

Building powerful realtime apps like chat, realtime mapping, live updates, and IoT device control is easy with PubNub. To get started, try out our Quickstarts below to learn the basic concepts, and choose from our extensive list of SDKs and integrations to fit your development environment. You’ll be up and running in no time.

Quickstarts

• JavaScript
• Obj-C
• Python
• Android
• Swift
• Unity

Overview

PubNub takes care of the infrastructure needed for the realtime communication layer of your apps so that you can focus on your application innovation. You benefit from our global scalability, 99.999% uptime SLA, and extensible platform for new realtime use cases and other third-party APIs.

Features

• Publish Send individual messages, or broadcast to thousands of subscribers at once.
• Sharing files Upload and send images, videos, and files.
• Message actions Perform actions and reactions on an existing message.
• Push notifications Send mobile push notifications.
• User/device presence Detect device online/offline states.
• Serverless functions Apply business logic to messages in-flight.

Security

• Data security SSL/TLS encryption, AES encryption and more.
• Access control Provides granular access control over channels and data.

Use cases

• In-app chat Custom secure one-to-one, group, or live event in-app chat.
• Geolocation Location-based mapping and event tracking.
• Notifications In-app alerts and mobile push notifications.
• IoT Monitoring and control of devices and systems.

Sample apps

• Platform Generic sample apps to support various use cases.
• Chat Sample apps to build in-app chat applications.

Top pick SDKs

See all SDKs

• JavaScript
• Java
• Kotlin
• Swift
• Python
• Unity

Try PubNub today

Launch and scale your realtime application in minutes on PubNub's reliable and secure network.