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.
There are three standard ways to manage API authentication these days: API keys, OAuth tokens and JSON Web tokens (JWT). Adam Duvander over at the Zapier engineering blog explains how and when to use them. The humble API key is the common and earliest form of API authentication.
One of the more problematic elements of building any application is managing end user identities. Writing the code to manage who gets to access any given application not only is time consuming; it doesn’t usually add much in the way of unique value to the application.
Dashlane and Google want to simplify security and authentication on Android devices and have an API to do it. App developers can use the new Open YOLO API to access the credentials stored in password managers to log users into apps and services. The idea here is to improve security.