Facebook implemented new features for its Live API to answer common concerns voiced by the publishers. The automated encoder configuration ensures auto tweaks to quality settings throughout the stream, and the frame-accurate start times informs a publisher of the exact frame a video is live.
Twitter announced the Periscope Producer API, which will give third-party apps the ability to authenticate Periscope accounts and let people push live video from just about anywhere. The idea is to make it easier to share video from just about any device and reduce pain points for end users.
PixLab offers a set of APIs that hopes to meet most of your media analysis and processing needs. Whether it's media storage, machine vision, or image processing you need; there is not much on the media analysis/editing market today that PixLab doesn't offer through RESTful APIs.