This PHP SDK is for the PredictionIO machine learning server. PredictionIO's predictive engine API is built on the following open source stack: Apache Spark, HBase and Spray and uses DASE the "MVC" for machine learning. Note that use of this SDK requires PHP 5.4 or higher, PHP: cURL, Phing, and ApiGen. In addition, this SDK only supports Prediction IO version 0.8.2 or higher.
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.
GoodGuide is a service that we have been using as a family for a while. It attempts to analyze a product holistically & scientifically to produce a simple 1 to 10 rating of its "goodness." I am personally satisfied to see that the GoodGuide API will share this data with the world.