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HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <exturlusage>
      <eu pageid="3509" ns="4" title="maemo.org wiki:About" url="http://www.mediawiki.org/" />
      <eu pageid="3466" ns="0" title="Maemo.org team/Updating maemo.org sites" url="http://www.mediawiki.org" />
      <eu pageid="408" ns="1" title="Talk:Meta:Anonymous editing" url="http://www.mediawiki.org/wiki/Captcha" />
      <eu pageid="486" ns="2" title="User:Feri" url="http://www.mediawiki.org/wiki/Extension:BugzillaReports" />
      <eu pageid="113" ns="1" title="Talk:Wiki gardeners" url="http://www.mediawiki.org/wiki/Extension:CategoryTree" />
      <eu pageid="113" ns="1" title="Talk:Wiki gardeners" url="http://www.mediawiki.org/wiki/Extension:DynamicPageList" />
      <eu pageid="830" ns="1" title="Talk:Moving system directories to a flash card" url="http://www.mediawiki.org/wiki/Extension:Rating" />
      <eu pageid="1545" ns="12" title="Help:Editing" url="http://www.mediawiki.org/wiki/Help:Formatting" />
      <eu pageid="121" ns="0" title="MAG:Templates" url="http://www.mediawiki.org/wiki/Help:Templates" />
      <eu pageid="2762" ns="0" title="Wiki gardeners" url="http://www.mediawiki.org/wiki/Help:Templates" />
    </exturlusage>
  </query>
  <query-continue>
    <exturlusage euoffset="10" />
  </query-continue>
</api>