The Issuu Node.js SDK by Jaroslav Khorishchenko is still a work in progress to access the API. However, it does include methods to upload documents from a list. Installation, initialization, and calls as additional resources.
Gravity, focused on personalizing the internet, has launched a new series of free APIs to further its mission. The APIs enable web publishers to recommend content to users in addition to sponsored stories from paying advertisers. Prior to the API offering, Gravity tools provided recommendations based on demographic and interests through widgets and home page personalization. The API should expand Gravity's reach into mobile apps and deeper web adoption.
Topsy, a search tool based on real-time social media activity, has unveiled a new service called Topsy Social Analytics that tracks the rise and fall in popularity of specific pieces of online content as well as broader trends in online discussion. The analytics tool, like the Topsy API, uses publicly available data from Twitter to rank content and identify trends.