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Tutorials, demos, and code walkthroughs for a wide variety of real-time web, mobile, and IoT projects.

BuildApr 13, 2019

Enable Text-to-Speech in AngularJS Web Apps with IBM Watson

We’re witnessing the meteoric rise in natural language processing as the mainstream embraces the technology in tandem with the widespread adoption of artificial intelligence. From the Google Speech API, to Siri, Alexa, and IBM Watson, we’re growing increasingly reliant on using NLP without...
Michael Carroll
Michael Carroll
BuildApr 12, 2019

Build a PubNub-Driven Smart Contract App with Ethereum

Blockchain provides a secure way of accessing and transacting assets. However, the biggest benefit comes from its ability to execute smart contracts.

Shyam Purkayastha
Shyam Purkayastha
CTO & Co-Founder, IoTracX
BuildApr 3, 2019

Building a Serverless Hacker News Clone App

Build your own simple version of Hacker News, entirely serverless via Functions, allowing users to submit links and update the feed in real time.

Adam Bavosa
Adam Bavosa
Developer Relations Manager, PubNub
BuildMar 15, 2019

Functions: Use Stripe to Accept In-App Payments

Seamlessly add in-app payment functionality with Stripe Charge and Functions.

Chandler Mayo
Chandler Mayo
Solution Engineer, PubNub
BuildDec 6, 2018

Live and In Color: Real-time Pub/Sub Messaging

Our newest demo showcases PubNub in its simplest form, blazing-fast pub/sub messaging to any number of connected users.

Developer Relations Team
Developer Relations Team
BuildNov 15, 2018

Build Cryptographic Command Verification IoT Smart Door Lock

This article was originally published on the Virgil Security blog. Virgil Security, Inc. enables developers to encrypt everything without having to become security experts.  Around the globe, tens of thousands of new IoT devices will come online in the time it takes to read this article. But if there’s...
Michael Carroll
Michael Carroll
BuildNov 1, 2018

Send Transactional Template Emails in JS, SendGrid + PubNub

How to utilize the SendGrid Block with Functions to trigger transactional email based on an event.

Jordan Schuetz
Jordan Schuetz
Developer Advocate, MuleSoft
PubNub Sentiment Machine-Real-time Tweet Analysis.jpg
BuildOct 23, 2018

PubNub Sentiment Machine: Real-time Tweet Analysis

Powered by PubNub, Amazon Comprehend, and Initial State, the real-time dashboard delivers up-to-millisecond analysis based on filtered keywords and topics.

Developer Relations Team
Developer Relations Team
BuildOct 10, 2018

Connected Car Basics: Functions and the Smartcar API

How to use the Smartcar API and Functions to build a connected car dashboard including door control, real-time odometer tracking, and geolocation.

Syed Ahmed
Syed Ahmed
Developer Relations, PubNub