This independently constructed answer library written in C# is made for .Net applications to interface with the DuckDuckGo Zero Search API. Though not officially supported by DuckDuckGo, the library is listed on the DuckDuckGo API documentation under supporting library integrations. DuckDuckGo is a search engine which distinguishes itself by not tracking its users or generating results based on its user's previous behavior. The DuckDuckGo Instant Answer API provides free programmatic access to many of the search engine's instant answers, pulled from over 100 independent sources.
For anyone looking to find accurate and up to date information on vehicles, be it potential car buyers or dealers, Kelly Blue Book provides all the relevant data on car models, features and selling prices. It's an online service with an extensive database of car value data and vehicle information that is based on trusted and official information. The Kelly Blue Book InfoDriver API makes this data available to be integrated with other websites and applications.
Yahoo has taken a major step in the evolution of search APIs with today's release of BOSS (Build Your Own Search Service). The BOSS platform lets developers build their own full-blown custom search applications on Yahoo's index of the Internet, the same infrastructure that underlies Yahoo Search.