The LiveChat Node.js library developed by Grzegorz Wyszyński contains lines of code for installation and a quick start. API methods include agents, canned responses, chats, goals, groups, reports, status, and visitors. LiveChat helps sales representatives to interact with customers with the aim to provide an efficient service. More of the API available at http://developers.livechatinc.com/rest-api/#add-custom-visitor-details
After a year of beta testing its in-app messaging platform, Pusher has released Chatkit to general availability. Chatkit includes a set of APIs that comes loaded with a number of features that users have come to expect from any mainstream chat service (typing indicators, file sharing, and more).
While working with Big Data affords a lot of potential business value the complexity of building applications that manipulate all that information can be nothing short of daunting. Not only do most of the currently popular approaches require developers to master arcane interfaces such as MapReduce, the performance of the application tends to suffer under the weight of all the data that needs to be processed.