Blekko is a search engine which uses both algorithms and human interaction for producing high quality search results. Currently serving more than 3 billion pages, Blekko sorts through spam, content farms, and sites containing malware in order to offer only real information to the end-user.
Our API directory now includes 453 search APIs. The newest is the Automatton Instant Answers API. The most popular, in terms of mashups, is the eBay API. We list 220 eBay mashups. Below you'll find some more stats from the directory, including the entire list of search APIs.