PubNub is a cloud-based, real-time messaging service that functions on mobile phones, tablets, TVs, HTML5 web browsers and game consoles. It is a Push technology intended specifically for high-message-volume applications and games. The API allows users to publish and subscribe to messages. Users can also load publishing histories. It uses HTTP calls and responses are formatted in JSON and JSONP.
The following is a list of how-to and tutorial content that matched your search term. ProgrammableWeb's how-to content comes from two sources; full-blown tutorials that we publish ourselves and other highly relevant tutorials that we find elsewhere on the Web. This list represents on combination of both tutorial types and if you go to ProgrammableWeb's API University, you'll not only be able to find more, they are organized based on your role (API providers or developers who consumes APIs). If you know of a tutorial that would be of interest to the ProgrammableWeb community, we'd like to know about it. Be sure to check our guidelines for making contributions to ProgrammableWeb.
According to Gartner, there will be nearly 21 billion devices connected to the Internet by the year 2020. That’s a lot of devices that need to be connected in useful ways. This article shows you the steps to make a Raspberry Pi speak from anywhere in the world using Node.js and PubNub.