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>
    <links gplcontinue="1|0|Recent_Changes" />
  </query-continue>
  <query>
    <pages>
      <page pageid="22" ns="0" title="Becoming a Railcam Supporter" contentmodel="wikitext" pagelanguage="en-gb" touched="2023-05-05T19:03:06Z" lastrevid="461" counter="11302" length="1697" />
      <page pageid="25" ns="0" title="Cameras playback troubleshooting" contentmodel="wikitext" pagelanguage="en-gb" touched="2017-02-22T08:35:56Z" lastrevid="83" counter="9394" length="12497" />
      <page pageid="29" ns="0" title="Chatrooms" contentmodel="wikitext" pagelanguage="en-gb" touched="2021-06-09T09:40:10Z" lastrevid="319" counter="12464" length="900" />
      <page pageid="16" ns="0" title="Contributing information to Railcam DATA" contentmodel="wikitext" pagelanguage="en-gb" touched="2017-02-24T12:06:46Z" lastrevid="96" counter="6077" length="2322" />
      <page pageid="37" ns="0" title="Dealing with &quot;Video Error&quot;" contentmodel="wikitext" pagelanguage="en-gb" touched="2021-12-14T20:44:11Z" lastrevid="392" counter="12462" length="3132" />
      <page pageid="26" ns="0" title="Diagram troubleshooting" contentmodel="wikitext" pagelanguage="en-gb" touched="2017-02-22T11:28:17Z" lastrevid="84" counter="3768" length="1064" new="" />
      <page pageid="28" ns="0" title="General FAQs" contentmodel="wikitext" pagelanguage="en-gb" touched="2023-05-05T19:08:15Z" lastrevid="462" counter="32516" length="8154" />
      <page pageid="39" ns="0" title="General information about our diagrams" contentmodel="wikitext" pagelanguage="en-gb" touched="2022-11-22T11:07:45Z" lastrevid="433" counter="1207" length="1038" />
      <page pageid="19" ns="0" title="Headcodes and colour-coding" contentmodel="wikitext" pagelanguage="en-gb" touched="2024-02-29T11:47:38Z" lastrevid="526" counter="95850" length="8730" />
      <page pageid="17" ns="0" title="Railcam DATA Searches and features" contentmodel="wikitext" pagelanguage="en-gb" touched="2017-12-26T14:46:47Z" lastrevid="62" counter="12584" length="2170" />
    </pages>
  </query>
</api>