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HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <links gplcontinue="1|0|Open_Source" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1369" ns="0" title="Appropriate Technology" contentmodel="wikitext" pagelanguage="en" touched="2007-12-07T12:21:07Z" lastrevid="1635" counter="6434" length="2055" />
      <page pageid="1379" ns="0" title="Convivial Product" contentmodel="wikitext" pagelanguage="en" touched="2010-10-20T15:23:10Z" lastrevid="1963" counter="18400" length="1942" />
      <page pageid="1380" ns="0" title="Convivial Tool" contentmodel="wikitext" pagelanguage="en" touched="2011-01-13T14:11:45Z" lastrevid="1996" counter="19885" length="635" />
      <page pageid="1509" ns="0" title="Convivial Tool Characteristics" contentmodel="wikitext" pagelanguage="en" touched="2014-01-07T13:09:33Z" lastrevid="2243" counter="24398" length="5238" />
      <page pageid="1381" ns="0" title="Convivial Tools" contentmodel="wikitext" pagelanguage="en" touched="2010-10-19T16:19:26Z" lastrevid="1902" counter="32336" length="2490" />
      <page pageid="1390" ns="0" title="Free and Open Source Software" contentmodel="wikitext" pagelanguage="en" touched="2007-11-02T09:30:42Z" lastrevid="1390" counter="3917" length="934" new="" />
      <page pageid="1398" ns="0" title="Hacker Generation" contentmodel="wikitext" pagelanguage="en" touched="2010-10-20T16:10:19Z" lastrevid="1986" counter="10783" length="1111" />
      <page pageid="1404" ns="0" title="Historical Roots Narrative" contentmodel="wikitext" pagelanguage="en" touched="2014-01-07T13:09:48Z" lastrevid="2244" counter="12793" length="7426" />
      <page pageid="1409" ns="0" title="Ivan Illich" contentmodel="wikitext" pagelanguage="en" touched="2014-01-07T13:08:19Z" lastrevid="2242" counter="23300" length="7450" />
      <page pageid="1461" ns="0" title="MediaWiki" contentmodel="wikitext" pagelanguage="en" touched="2007-11-02T15:29:19Z" lastrevid="1510" counter="5638" length="244" />
    </pages>
  </query>
</api>