How to

Chat

Building Chat: Dealing with timestamps

Follow this how-to to understand how to deal with and format timestamps for PubNub Chat applications.
Collaboration

Build Collaborative Applications

Follow this how-to and learn how you can build and power your real-time collaborative applications with PubNub.
Chat

How to Build a Telemedicine App

Read our complete guide on making your own telemedicine app. In this guide, you’ll learn about telemedicine, HIPPA, PHI, and solutions for building.
PubNub portal

Enabling Persistence

Follow this how-to to enable Persistence in the Admin Portal to persist all messages as they're published.
Multiple devices showing a telemedicine chat application with conversations between doctors and patients.
Chat

How to Build Cross-Platform Chat Applications with PubNub

If your team is developing a cross-platform application you have a number of options to choose from but whichever approach you take, from web-only to cross-platform frameworks, PubNub can easily incorporate chat into your app.
Chat

How to build a chat app using HTML, CSS, Vue, & JS

Read our complete guide to build a chat app using HTML, CSS, Vue, and JS. Read this and our other information building interactive chat apps.
PubNub portal

Creating Keys

Follow this how-to on creating keys in the Admin Portal to connect your application to the PubNub network.
PubNub portal

Enabling Files

Follow this how-to on enabling Files in the Admin Portal to upload and share files.
PubNub portal

Enabling Objects

Follow this how-to on enabling Objects in the Admin Portal to to store metadata for users, channels, and memberships without the need of setting up your own database.