Tos-dr, which stands for Terms of Service; Didn't Read, is a site dedicated to creating greater transparency between websites terms of service and privacy policies and users of the sites. They analyze the legal terms and assign ratings to sites based on how invasive terms are. The Tos-dr API gives users access to database of ratings so they can include them in browser add-ons, web analytics, and other apps. The source uses REST calls and returns JSON. The service is free to use and advanced documentation is available on Github.