This SDK is a PHP client library that supports several methods for making authenticated calls to the Google APIs. This client library is in beta that includes; Simple API Access, OAuth 2.0 For Webservers, OAuth 2.0 Service Accounts and ID Token Verification. Google Developers provides APIs, software development tools, and technical resources that allow communication with Google Services and their integration to other services. Google is a technology company that specializes in Internet-related services and products that includes online advertising technologies, search, cloud computing, software, and hardware.
The latest beta release of Chrome includes support for W3C's Credential Management API. The API allows developers to store and sync sign-in information with a browser's credential manager. Chrome support and integration should cut down on the number of sign-ins required by a user while browsing.