The Yummly Ruby SDK by Theo Mills allows unofficial interaction with the API, providing references to integrate food recommendations into applications. Resources include gem installation and Key & ID configuration. JSON responses display recipe objects.
This past Valentine's Day, DuckDuckGo announced via Twitter that their search engine had "received over 1,000,000 direct searches yesterday for the first time ever!" A major accomplishment for a search engine that is essentially unknown. And this search engine has an API.
Google has updated its Search Console Search Analytics API, which allows users to query their search traffic data, to support the retrieval of 25,000 rows of data per request, up from a previous limit of 5,000 rows per request. In addition, Google has added 16 months of data to the API.