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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>
  <parse title="API" displaytitle="API">
    <text xml:space="preserve">&lt;p&gt;&lt;a href=&quot;/index.php?title=HyperCities_Help:Sandbox&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;HyperCities Help:Sandbox (page does not exist)&quot;&gt;HyperCities Help:Sandbox&lt;/a&gt;&quot;
&lt;/p&gt;
&lt;!-- 
NewPP limit report
Preprocessor node count: 2/1000000
Post-expand include size: 29/2097152 bytes
Template argument size: 0/2097152 bytes
Expensive parser function count: 0/100
--&gt;
</text>
    <langlinks />
    <categories />
    <links>
      <pl ns="4" xml:space="preserve">HyperCities Help:Sandbox</pl>
    </links>
    <templates>
      <tl ns="4" xml:space="preserve">HyperCities Help:Sandbox</tl>
    </templates>
    <images />
    <externallinks />
    <sections />
  </parse>
</api>