User:Yurik/Query API/User Manual - Wikipedia, the free encyclopedia PI provides a way for your applications to query data directly from the MediaWiki servers. One or more pieces of information about the site and/or a given list of pages can be retrieved. Information may be returned in either a machine (xml, json, php, wddx) or a human readable format. More than one piece of information may be requested with a single query. in projectswith wiki