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="2433" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1" ns="0" title="Main Page" contentmodel="wikitext" pagelanguage="en" touched="2024-05-04T01:40:24Z" lastrevid="121318" counter="6344276" length="327" />
      <page pageid="1382" ns="4" title="The Marilyn Manson Wiki:Community Portal" contentmodel="wikitext" pagelanguage="en" touched="2017-10-05T16:35:57Z" lastrevid="101717" counter="44710" length="6257" />
      <page pageid="1748" ns="0" title="List of first and last performances of songs" contentmodel="wikitext" pagelanguage="en" touched="2024-02-06T09:20:12Z" lastrevid="117219" counter="41729" length="25443" />
      <page pageid="2151" ns="0" title="2007/06/05 Bercy, France" contentmodel="wikitext" pagelanguage="en" touched="2024-04-27T16:08:58Z" lastrevid="115750" counter="6235" length="2170" />
      <page pageid="2152" ns="0" title="2007/05/28 Milan, Italy" contentmodel="wikitext" pagelanguage="en" touched="2024-04-27T16:08:58Z" lastrevid="115744" counter="4624" length="1874" />
      <page pageid="2205" ns="0" title="2007/06/20 Ljubljana, Slovenia" contentmodel="wikitext" pagelanguage="en" touched="2024-04-27T16:08:58Z" lastrevid="115757" counter="4647" length="1963" />
      <page pageid="2407" ns="0" title="2000/10/30 St. Louis, MO" contentmodel="wikitext" pagelanguage="en" touched="2024-04-27T16:08:58Z" lastrevid="120886" counter="7770" length="2511" />
      <page pageid="2427" ns="0" title="2005/02/09 Mexico City, Mexico" contentmodel="wikitext" pagelanguage="en" touched="2024-04-27T16:08:58Z" lastrevid="115714" counter="7377" length="2072" />
      <page pageid="2428" ns="0" title="2003/11/07 Mexico City, Mexico" contentmodel="wikitext" pagelanguage="en" touched="2024-04-27T16:08:58Z" lastrevid="115656" counter="7342" length="2786" />
      <page pageid="2431" ns="0" title="2001/01/24 London, England" contentmodel="wikitext" pagelanguage="en" touched="2024-04-27T16:08:58Z" lastrevid="115504" counter="5710" length="1934" />
    </pages>
  </query>
</api>