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="46" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1" ns="0" title="Main Page" contentmodel="wikitext" pagelanguage="en" touched="2021-06-26T03:16:41Z" lastrevid="6773" counter="77396" length="1832" />
      <page pageid="4" ns="0" title="Application: Character Creation" contentmodel="wikitext" pagelanguage="en" touched="2022-10-07T01:58:16Z" lastrevid="6932" counter="8079" length="14974" />
      <page pageid="11" ns="0" title="Magical Girl Lyrical Nanoha" contentmodel="wikitext" pagelanguage="en" touched="2023-05-05T13:59:06Z" lastrevid="7081" counter="5291" length="1561" />
      <page pageid="14" ns="0" title="Revolutionary Girl Utena" contentmodel="wikitext" pagelanguage="en" touched="2020-12-04T01:33:07Z" lastrevid="6697" counter="11767" length="4050" />
      <page pageid="27" ns="0" title="Hisae Musumi" contentmodel="wikitext" pagelanguage="en" touched="2014-09-06T22:54:54Z" lastrevid="1925" counter="2007" length="11784" />
      <page pageid="29" ns="0" title="Tokiko Amagawa" contentmodel="wikitext" pagelanguage="en" touched="2014-09-03T05:02:03Z" lastrevid="57" counter="1359" length="5501" />
      <page pageid="31" ns="0" title="Madobe Kuroi" contentmodel="wikitext" pagelanguage="en" touched="2014-09-03T06:03:35Z" lastrevid="61" counter="1344" length="5647" />
      <page pageid="36" ns="0" title="Tomomi Shizuka" contentmodel="wikitext" pagelanguage="en" touched="2014-08-22T05:50:58Z" lastrevid="71" counter="1339" length="4536" />
      <page pageid="42" ns="0" title="Nanoha Takamachi" contentmodel="wikitext" pagelanguage="en" touched="2019-11-01T03:32:11Z" lastrevid="6276" counter="10829" length="13489" />
      <page pageid="43" ns="0" title="Aimi Saionji" contentmodel="wikitext" pagelanguage="en" touched="2014-09-06T23:51:45Z" lastrevid="1933" counter="2088" length="6142" />
    </pages>
  </query>
</api>