Bing API enables developers to embed a flexible and powerful search engine as a custom search component in their sites and applications. Bing API offers open, flexible options for building or enhancing your site or applications. With the API users can search for web content, images, stories and more. Users can also monetize their applications with advertisements. It uses a RESTful protocol with results formatted either in XML or JSON and also provides support for SOAP protocol.
Microsoft has announced that the Bing Entity Search API is now generally available in eleven markets including the United States and Canada. The Bing Entity Search API provides contextual information about real-world entities such as people, places, things, and local businesses.
The number of available web search APIs has been reduced in recent months; Google and Yahoo have shut down a number of their web search APIs. This is the first part of a two-part article covering the state of web search APIs. The second part highlights search APIs provided by Google and Microsoft.