With the Google Custom Search PHP SDK by Google, developers can interact the API to access search and customization features. It contains authentication with Api Key and authorization with OAuth 2.0. Examples demonstrate how to build the client object, build the service object, call an API, and handle the result.
While Google leads the way in web search and Yahoo leads the way in answers, many upstart services are attempting to help you make decisions by giving you smarter answers to your questions. Microsoft has billed its new search offering Bing as both a "decision engine" and an "answer engine." Now there's Hunch, a new start-up founded by Flickr's Caterina Fake, which also aims to be a decision engine, but using a very different model. By first asking the user questions ranging from food preferences to pet peeves, Hunch tries to provide answers to questions that best match the user's interests based on crowdsourced data collected from other users.
An email address can be the key to an online identity, and that's just what IDLight is using in its identity lookup API. By supplying either an email address or a URL to the IDLight API you could be turning the key to unlock a swath of identity information.