Service discovery is not an easy task in today's Web. Discovering an API requires searching through a large number of services on the Internet and then reading pages of documentation to figure out how to use the ones that may match your application. This is the case in Programmable Web as well. The API directory shows over 5000 APIs which are manually categorized in over 50 service categories.
This is part two of a two-part article covering the current state of Web search APIs. This article takes a look at the Web search tools/APIs provided by Google and Microsoft. Article includes comparison charts highlighting some of the key differences between Google and Microsoft search tools/APIs.