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OAuth 2.0 Applications, Single Sign On & OpenID for Google Apps


We develop Marketplace applications and integrate them with Google Apps so you can sell them in Google Apps Marketplace.

We are experts in the development of applications and products using all Google API (GData) and open standards such as OAuth 2.0, Single Sign On and OpenID. We now have the experience to develop the following:

  • Applications for Google Apps Marketplace

  • Development of integration of existing applications to Google Apps. 


Google Apps Marketplace allows more than 4 million organizations using Google Apps to discover, purchase, and deploy integrated cloud applications and advertise professional services in use by more than 40 million users within those domains.

Google APIs use OAuth 2.0 protocol for authentication and authorization. Google supports several OAuth 2.0 flows that cover common web server, JavaScript, device, installed application, and server to server scenarios.

OAuth 2.0 is a relatively simple protocol and a developer is able to integrate with Google's OAuth 2.0 endpoints without effort. In a nutshell, you register your application with Google, redirect a browser to a URL, parse a token from the response, and send the token to the Google API you wish to access.