Alexa Top Sites is a web service that provides lists of web sites, ordered by Alexa Traffic Rank. Using this web service, developers can page through lists of top sites and incorporate traffic data into their applications. The following documentation describes how to use Alexa Top Sites.
In order to use the Alexa Top Sites Service, you must first sign up for an Amazon AWS account, and then create an IAM user and assign an execute policy for the service. See the following link for more details: