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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-continue>
    <allimages gaifrom="2015 coaster drawing alone.JPG" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2124" ns="6" title="File:2002 pinball machine.png" />
      <page pageid="2128" ns="6" title="File:2011 coaster proposed track shape.png" />
      <page pageid="2131" ns="6" title="File:2011 seesaw drawings.png" />
      <page pageid="2132" ns="6" title="File:2011 teacup swing small build.png" />
      <page pageid="2133" ns="6" title="File:2011 version of yolo.png" />
      <page pageid="2130" ns="6" title="File:2012 fort CAD.png" />
      <page pageid="2134" ns="6" title="File:2013 fort drawing.png" />
      <page pageid="2138" ns="6" title="File:2014 coaster and fort cad.png" />
      <page pageid="2137" ns="6" title="File:2014 rollercoaster.jpg" />
      <page pageid="2141" ns="6" title="File:2015 coaster as built.jpg" />
    </pages>
  </query>
</api>