How to

PubNub OnRequest Functions allow developers to create hosted REST API endpoints that process incoming HTTP requests. However, it may be necessary to sign these requests to ensure the integrity and authenticity of the data being sent.

Our picks for the 7 best features in the Chat SDK that make it trivial for developers to create a professional chat experience

The PubNub Chat SDK exposes a set of APIs designed to make it easy to add powerful and flexible chat features to your app with minimum development. This guide walks you through managing user channel membership using the SDK

The PubNub Chat SDK exposes a set of APIs designed to make it easy to add powerful and flexible chat features to your app with minimum development. This guide walks you through adding reactions (emoji) to messages using the SDK

The PubNub Chat SDK exposes a set of APIs designed to make it easy to add powerful and flexible chat features to your app with minimum development. This guide walks you through creating threads and quoting messages using the SDK

The PubNub Chat SDK exposes a set of APIs designed to make it easy to add powerful and flexible chat features to your app with minimum development. This guide walks you through mentioning (tagging) users and channels using the SDK

"How do I stop location fixes from ‘jumping around’?”, “How do I snap the vehicle to the road?”, “What if the vehicle GPS location is bad? Can I smooth that data?”. This how-to aims to answer all these questions.

The Events & Actions API provides programmatic access to PubNub's E&A feature, allowing you to manage all the events in your application's ecosystem and send real-time data to third-party systems.

App Context is an easy-to-use, serverless storage for user, channel, and membership information. App Context triggers events whenever the data changes, enabling your apps to update in real time.