With the Google Custom Search iOS SDK by Google, users have access to the JSON API considering development in Apple devices. References include example applications, source, and service folder. AdSense, Calendar, and Cloud Storage are additional Google APIs that benefit from this library
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.
Recent updates to Google’s Search Console API provide the opportunity to leverage fine-grained detail about your search query data using the power of Excel and Pivot Tables. This tutorial by Chris Liversidge guides followers through extracting and analysing data to drive marketing decisions.
MapQuest has launched another API on top of OpenStreetMap (OSM), the Wiki-like editable map of the world. The new search service provides geographic search results for any data added to OSM, such as streets or landmarks. Of note, the MapQuest API provides the service without any API Key requirements or rate limiting.