In this LinkedIn PHP library created by Tobias Nyholm, users can find features, installation, usage, API options, and alternative API features. This tool is useful if developers want to access the LinkedIn API to work with an SDK in social and enterprising projects for mobile and web applications. Specifically, what this library does is to handle authentication and communication with the API. The SDK allows to obtain an access token in order to send API requests.
The Salsa Commons API is a REST and XML API that, as Salsa explains,
"At it's simplest, using the Salsa API may consist of just a form placed on an external website ... At it's most complex, you could use a Ruby library to authenticate, pull down information on recent supporters and events, validate that data, change it, and submit it back to the node, while generating and displaying counts of petition signers -- all through the API."
3Scale, a leading Plug and Play SaaS API Management platform and services provider, has just announced the launch of a new Open Source API Proxy that provides Enterprises API traffic management on-premises and in the cloud.
Instagram has launched an API endpoint that allows developers to integrate publishing functionality with third-party applications. The Instagram Content Publishing API is intended to meet the demand of businesses that are increasingly working with a publishing cadence that is finely orchestrated.