Chat applications are hugely popular these days. Most of us communicate daily to other people (or automated bots) by instant messaging, either on a mobile phone, a desktop chat application, via a website, or within a video game. Developers wanting to add chat functions to applications are in the right place. To receive updates about Chat APIs, click the TRACK THIS CATEGORY button below. And, if you want updates from other ProgrammableWeb categories, be sure to click the track button on those category pages as well.