# Registration for Web-Based Applications

> [!WARNING]
> **Important:** OAuth 1.0 was [officially deprecated](http://googledevelopers.blogspot.com/2012/04/changes-to-deprecation-policies-and-api.html) on April 20, 2012, and will be shut down on April 20, 2015. We encourage you to migrate to [OAuth 2.0](https://developers.google.com/accounts/docs/OAuth2) as soon as possible, as described in [Migrating from OAuth 1.0 to OAuth 2.0](https://developers.google.com/accounts/docs/OAuth_ref#migration). To get help on Stack Overflow, tag your questions with 'google-oauth'.