| This article or section is a World of Warcraft API stub. You can help expand it by editing it.
It allows anyone to programmatically retrieve 'snapshots' of current items being sold on any particular Auction House. These snapshots are being generated once per hour somewhat limiting the resolution of data (items that get posted and sold within one hour can't be detected by the API).
Several online resources and standalone applications have been developed upon this API to help traders analyze and react to the AH activity.