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>
    <backlinks gblcontinue="0|Main_Page|1575" />
  </query-continue>
  <query>
    <pages>
      <page pageid="3" ns="4" title="Hydrogenaudio Knowledgebase:Protection log" contentmodel="wikitext" pagelanguage="en" touched="2023-06-14T06:38:16Z" lastrevid="6840" counter="2484" length="773" />
      <page pageid="728" ns="0" title="Topic Index" contentmodel="wikitext" pagelanguage="en" touched="2024-04-08T17:42:33Z" lastrevid="37803" counter="1217833" length="14809" />
      <page pageid="729" ns="0" title="Hydrogenaudio" contentmodel="wikitext" pagelanguage="en" touched="2022-09-20T21:04:27Z" lastrevid="35925" counter="120129" length="1871" />
      <page pageid="737" ns="5" title="Hydrogenaudio Knowledgebase talk:Main Page/Real talk" contentmodel="wikitext" pagelanguage="en" touched="2022-06-11T08:52:12Z" lastrevid="24094" counter="108509" length="8741" />
      <page pageid="773" ns="5" title="Hydrogenaudio Knowledgebase talk:Wiki Policy" contentmodel="wikitext" pagelanguage="en" touched="2019-07-24T20:31:29Z" lastrevid="15021" counter="117086" length="3207" />
      <page pageid="799" ns="1" title="Talk:Topic Index" contentmodel="wikitext" pagelanguage="en" touched="2019-07-24T20:31:29Z" lastrevid="27099" counter="23831" length="1232" />
      <page pageid="863" ns="4" title="Hydrogenaudio Knowledgebase:Searching" contentmodel="wikitext" pagelanguage="en" touched="2006-06-06T21:26:28Z" lastrevid="11794" counter="6891" length="887" />
      <page pageid="870" ns="1" title="Talk:MP3" contentmodel="wikitext" pagelanguage="en" touched="2019-07-24T20:31:29Z" lastrevid="16291" counter="15825" length="1306" />
      <page pageid="1115" ns="101" title="Foobar2000 Talk:Foobar2000" contentmodel="wikitext" pagelanguage="en" touched="2019-07-24T20:31:29Z" lastrevid="28082" counter="72302" length="5897" />
      <page pageid="1215" ns="12" title="Help:Editing" contentmodel="wikitext" pagelanguage="en" touched="2017-03-13T20:25:34Z" lastrevid="27220" counter="46545" length="6319" />
    </pages>
  </query>
</api>