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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>
    <allpages>
      <p pageid="20" ns="0" title="Broadcast analysis" />
      <p pageid="5" ns="0" title="Broadcasts" />
      <p pageid="21" ns="0" title="Camera footage" />
      <p pageid="55" ns="0" title="Chasing start" />
      <p pageid="54" ns="0" title="Competition formats" />
      <p pageid="118" ns="0" title="EOC2012" />
      <p pageid="119" ns="0" title="EOC 2012 Middle" />
      <p pageid="121" ns="0" title="EOC 2012 Relay" />
      <p pageid="120" ns="0" title="EOC 2012 Sprint" />
      <p pageid="23" ns="0" title="GPS tracking" />
    </allpages>
  </query>
  <query-continue>
    <allpages apfrom="Graphics" />
  </query-continue>
</api>