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.
How-to develop a real-time streaming application
Real-Time

How to Develop a real-time streaming application with PubNub

Learn how to develop a real-time streaming application with PubNub, allowing you to stream a continuous firehose of data to any number of recipients
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.
Virtual Events

How to Build Chat for Virtual Events

Virtual events need chat to keep users engaged, but it's often a challenge to build a chat solution that works at scale and can handle the network load surges that occur during popular events. As a developer, you need to select a robust backend API provider capable of transmitting and receiving the high volume of messages that your viewers and participants generate.
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.
How to Create a Real-Time Delivery application
Real-Time

How to Create a Real-Time Delivery Application

For any delivery solution, the end user experience will depend on providing real-time updates on vehicle location, delivery time and delivery status
Real-Time

How to Build a Real-Time Counter of Active Users

This how-to will explain how to add a real-time counter of active users to any application, what to consider while building this type of feature, and how PubNub can make it easy.