Google has open their adsense api for the public. Using the AdSense API, you can enable users to perform a variety of AdSense functions without ever leaving your website. Users can create or manage their AdSense accounts, modify their AdSense ads, and view ad performance and earnings reports. The AdSense API is ideal for developers [...]

Inside AdSense, the official AdSense blog, has a post called “Advanced site targeting and referrals reporting“, which explains how to see whether any advertisers are targeting your site. Using channels, you can also see which sites.
Inside AdSense: changing channels“Channels are made for changing“, reads a lot like part 23 of the Blogging Tips series: “Change [...]