Creating Google OAuth 2.0 Client API Keys
Google API lets you play with the core of Google system, by building queries, a client can access required data from various Google services, which can be used to build all types of Google based applications. Before sending API queries, a client application needs Google API keys. Just follow these basic steps to obtain your own Client ID and Secret Key for your web application.
Go to Google Developer Console
, and follow the steps provided in the picture here: