You are looking at the HTML representation of the XML format.
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>
    <pageswithprop gpwpcontinue="389" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1" ns="0" title="Main Page" contentmodel="wikitext" pagelanguage="en" touched="2024-06-13T15:05:48Z" lastrevid="2338" counter="" length="3953" />
      <page pageid="5" ns="274" title="Widget:Vimeo" contentmodel="wikitext" pagelanguage="en" touched="2014-10-02T17:03:18Z" lastrevid="11" counter="" length="800" />
      <page pageid="83" ns="0" title="Quick Start Guide for Single Depth Sensor Configuration" contentmodel="wikitext" pagelanguage="en" touched="2021-03-04T07:52:32Z" lastrevid="2335" counter="" length="1633" />
      <page pageid="84" ns="0" title="Quick Start Guide for Multiple Depth Sensors Configuration" contentmodel="wikitext" pagelanguage="en" touched="2021-03-04T07:52:09Z" lastrevid="2334" counter="" length="3047" />
      <page pageid="85" ns="0" title="Quick Start Guide for Multiple PS Eye Cameras Configuration" contentmodel="wikitext" pagelanguage="en" touched="2021-03-04T07:42:44Z" lastrevid="2327" counter="" length="3589" />
      <page pageid="174" ns="0" title="Sample Video and Project (four PS Eye)" contentmodel="wikitext" pagelanguage="en" touched="2021-03-03T14:15:11Z" lastrevid="1527" counter="" length="3187" />
      <page pageid="216" ns="0" title="Sample Video and Project (two depth sensors)" contentmodel="wikitext" pagelanguage="en" touched="2021-03-04T07:06:22Z" lastrevid="2118" counter="" length="6751" />
      <page pageid="217" ns="0" title="Sample Video and Project (single depth sensor)" contentmodel="wikitext" pagelanguage="en" touched="2021-03-04T07:08:45Z" lastrevid="2119" counter="" length="5587" />
      <page pageid="244" ns="0" title="Sample Video and Project (two ASUS Xtions)" contentmodel="wikitext" pagelanguage="en" touched="2021-03-04T07:07:32Z" lastrevid="647" counter="" length="3098" />
      <page pageid="384" ns="0" title="Old Sample Video and Project (single depth sensor)" contentmodel="wikitext" pagelanguage="en" touched="2021-03-04T07:09:09Z" lastrevid="1414" counter="" length="2833" />
    </pages>
  </query>
</api>