The Alexa Web Information Service API makes Alexa’s vast repository of information about the web traffic and structure of the web available to developers.

This page contains the following categories of information. Click to jump down:

Gather information about web sites, including historical web traffic data and more.

Access historical web traffic data for web sites to analyze growth and understand the effects of specific events on web site traffic

Access the list of sites linking to any given site

AWIS provides the following operations, or "actions":

URL Information
The URL Information action gives developers direct access to information pertaining to web pages and sites on the web that Alexa Internet has gathered through its extensive web crawl and web usage analysis. Examples of information that can be accessed are site popularity and detailed usage/traffic stats. 

Historical Web Traffic
The Historical Traffic action gives programmatic access to web site traffic rank, reach, and page views going back four years. Use this action to compare a web site’s popularity over time, identify trends, or display graphs of traffic

Sites Linking In
The Sites Linking In action returns the sites linking to a specified web site.

Browse Category
The Browse Category and Browse Listings actions return the top sites within a category.

Your use of this service is subject to the Amazon Web Services Customer Agreement