The Google Webmaster Tools team blog has released API for Webmaster Tools. The current API offers a limited subset of all the functionality that Webmaster Tools provides for developers and webmasters. The supported features in the first version of the Webmaster Tools API are the following:

• Managing Sites
• Retrieve a list of your sites in Webmaster Tools
• Add your sites to Webmaster Tools
• Verify your sites in Webmaster Tools
• Remove your sites from Webmaster Tools
• Working with Sitemaps
• Retrieve a list of your submitted Sitemaps
• Add Sitemaps to Webmaster Tools
• Remove Sitemaps from Webmaster Tools

More info: Developer's Guide for the Webmaster Tools Data API

Source:→ SEL