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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|Poll" />
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  <query>
    <pages>
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      <page pageid="52" ns="0" title="Developers Documentation" contentmodel="wikitext" pagelanguage="en" touched="2016-12-21T19:59:14Z" lastrevid="3952" counter="52384" length="1251" />
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      <page pageid="140" ns="0" title="Groups Documentation" contentmodel="wikitext" pagelanguage="en" touched="2018-07-02T08:37:31Z" lastrevid="4228" counter="29957" length="722" />
      <page pageid="651" ns="0" title="Integration Documentation" contentmodel="wikitext" pagelanguage="en" touched="2021-05-28T04:01:11Z" lastrevid="4434" counter="29696" length="1873" />
      <page pageid="450" ns="0" title="Joomla Versions Compatibility" contentmodel="wikitext" pagelanguage="en" touched="2017-12-28T08:24:25Z" lastrevid="4106" counter="55329" length="3589" />
      <page pageid="449" ns="0" title="Migrations, Upgrades and Compatibilities" contentmodel="wikitext" pagelanguage="en" touched="2018-10-11T13:38:38Z" lastrevid="3553" counter="39940" length="1698" />
      <page pageid="154" ns="0" title="Miscellaneous Docs" contentmodel="wikitext" pagelanguage="en" touched="2016-02-24T08:17:25Z" lastrevid="3566" counter="29316" length="1345" />
      <page pageid="155" ns="0" title="Photos &amp; Videos Documentation" contentmodel="wikitext" pagelanguage="en" touched="2016-12-21T19:19:09Z" lastrevid="3941" counter="41562" length="1332" />
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  </query>
</api>