Friday, April 18, 2008

Google Account Authentication API

clipped from
Google Code Home Page

Account Authentication API

Authentication for Web Applications

Web applications that need to access services protected by a user's Google or Google Apps (hosted) account can do so using the Authentication Proxy service. To maintain a high level of security, the proxy interface, called AuthSub, enables the web application to get access without ever handling their users' account login information. Before using, verify that the Google service to be accessed supports the Authentication service.


  1. The Authentication Process

    1. Tokens and Token Management

    2. Registration

  2. The AuthSub Interface

    1. AuthSubRequest

    2. AuthSubSessionToken

    3. AuthSubRevokeToken

    4. AuthSubTokenInfo

  3. Working With AuthSub

  4. Special Topics

    1. Signing Requests

    2. Single Sign-On

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