The SlackAPI .Net SDK by Inumedia is a .Net implementation of and SDK for the Slack team communication platform API. Slack is a tool for managing team communications, and the Slack API allows users to integrate with other third-party applications, and can provide such tools as: upload an image or file, get a channel's history, set a channel's "unread" marker, retrieve lists of files, and search a Slack instance.
There are many ways for websites to tap into online social networking services to allow their users to connect with each other. Now, for publishers who want to add social network functions to already existing websites, Yahoo! has announced their new Updates API, a web service that provides permission-based access to the actions of any user with a Yahoo! account. As part of Yahoo!'s Open Strategy (Y!OS), this API essentially allows developers to treat the Yahoo! network as a social networking platform (for more on Y!OS see our coverage of the initial Y!OS announcement and their YQL launch).
PUBG has launched a test version of the PUBG Developer API. The API provides rich game data for developers looking to build tools and services around PUBG's popular battle royale game mode. PUBG anticipates the API will lead to apps and tools that expand what is currently available through OP.GG.
n0tice is a simple location based public notice board system. It's completely open and unfiltered, and allows users to post any sort of notice they want, tagged with their location, and lets them read notices near them, sorted by distance. Quite a simple little idea, and if it gets a user base, it could end up being quite useful. Although first designed for iPhone, the n0tice API was quickly released to allow integration into other programs, including desktop apps.