Watchdog.net API

From Sunlabs wiki

Watchdog.net doesn't publish a documented API but most pages on Watchdog.net are machine readable, including zip code searches and member pages. To access these pages, simply perform a search (For instance this one) and look at the bottom of the page for links to machine readable pages and the URL structure.

The site offers data on campaign contributions, legislation passed, interest group alignment and other goldmines.

Watchdog.net also offers all of its data for public consumption here: http://watchdog.net/data/