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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="191228" ns="10" title="Mall:Wikivar" url="http://www.mediawiki.org/" />
      <eu pageid="82171" ns="0" title="MediaWiki" url="http://www.mediawiki.org/" />
      <eu pageid="104200" ns="0" title="Reigoldswil" url="http://www.mediawiki.org/w/index.php?title=Manual:Maxlag_parameter" />
      <eu pageid="568032" ns="0" title="North Twenty Four Parganas" url="http://www.mediawiki.org/wiki/Extension:AbuseFilter" />
      <eu pageid="394417" ns="0" title="Alba (judeţ)" url="http://www.mediawiki.org/wiki/Extension:DPLforum" />
      <eu pageid="85781" ns="0" title="Linux (kärna)" url="http://www.mediawiki.org/wiki/Extension:EasyTimeline/syntax" />
      <eu pageid="568032" ns="0" title="North Twenty Four Parganas" url="http://www.mediawiki.org/wiki/Extension:FlaggedRevs" />
      <eu pageid="770729" ns="4" title="Rilpedia:Hur man lägger in flashfilmer på en sida" url="http://www.mediawiki.org/wiki/Extension:Flash" />
      <eu pageid="462930" ns="0" title="Vopli Vidopliassova" url="http://www.mediawiki.org/wiki/Extension:ParserFunctions" />
      <eu pageid="278871" ns="0" title="10000-talet f.Kr. (millennium)" url="http://www.mediawiki.org/wiki/Extension:StringFunctions" />
    </exturlusage>
  </query>
  <query-continue>
    <exturlusage euoffset="10" />
  </query-continue>
</api>