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.
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.
PubNub logo
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.
Presentation slide explaining the concept of filtering events using JSONPath by PubNub.
PubNub portal

Events & Actions: How to Filter Messages Using JSONPath

Read our complete guide on how to filter Events using the Advanced JSONPath Filter in Events & Actions. In this guide, you’ll learn the different filter options available to you in E&A, what is JSONPath, and how to format complex JSONPath Filter Expressions to filter for the Events you need.