This independently constructed Ruby library is made to interface with the DuckDuckGo Zero Click Info API from a Ruby application. Though not officially supported by DuckDuckGo, the library is endorsed 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.
Microsoft has announced that paid plans are now available for the Bing Search APIs that are part of Microsoft Cognitive Services. The suite of Bing Search APIs that can now be purchased includes Bing Web Search API, Bing Image Search API, Bing Video Search API, and Bing News Search API.
Google's Jeff Scudder has a new post on the Google AJAX APIs blog that details how CSS styling can be used in conjunction with the Google AJAX Search API (our Google AJAX Search API Profile) to customize the look and feel of the search interface and search results. Though it may not seem that important, the aesthetics of your site's search interface, and the way the results are displayed, are both important elements that can influence the experience of your site's visitors.