The Google data APIs provide a simple protocol for reading and writing data on the web. Many Google services provide a Google data API.

Each of the following Google services provides a Google data API:

• Google Base
• Blogger
• Book Search
• Calendar
• Code Search
• Contacts
• Documents List
• Finance
• Health
• Picasa Web Albums
• Spreadsheets
• Webmaster Tools
• YouTube

New: Maps Data API and Google Analytics Data API support are available in the top-of-trunk sources.

The Google Data APIs Objective-C Client Library provides a Mac OS X framework and source code that make it easy to access data through Google Data APIs.

To get started with Google data APIs and the Objective-C Client Library, look at the overview slides, read the introduction and study the example applications.

To browse the Google Objective-C client framework source code, visit the Source tab. Library changes are documented in the release notes.

Developers are invited to tell us about their projects that use the Objective-C Client Library on the Share Your Project page.

If you have a problem or want a new feature to be included in the Google Data Objective-C Client Library, please join the discussion group or submit an issue.

If you are interested in contributing to the project, please read the Contributor Guide and join the discussion group.

- The Google Data APIs and Google Mac Client teams