Klout SDKs and Wrappers make up a set of development kits that developers can use to develop 3rd party applications. The SDK supports a variety of languages (Java, Node.js, Objective-C, PHP, Python, & Ruby), allowing developers the ability to choose the compatible language and framework. The site also provides developers with other OAuth and KloutPass Tools that are contributed by the Klout developer community.
Grabyo recently opened its doors as a TV clip sharing service. Alongside its go to market lies the Grabyo API that allows developers to integrate Grabyo functionality with third party apps and sites. Grabyo describes itself as "the ultimate second screen experience."
LinkedIn, the social network for business, has announced an enhanced version of its People Search API. While the V1 Search API contained some powerful and easy-to-use features, the latest additions for the new API are quite impressive.