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>
    <revisions rvcontinue="307" />
  </query-continue>
  <query>
    <pages>
      <page pageid="66" ns="0" title="Main Page">
        <revisions>
          <rev user="Sysop" timestamp="2022-08-29T11:39:01Z" comment="Created page with &quot; This wiki site is dedicated to the creation of an ontodiktyologia by [http://nse.pm NSE] for the project of standardization processes for Global Communities along with RFC 68...&quot;" />
          <rev user="Sysop" timestamp="2022-08-29T11:41:52Z" comment="" />
          <rev user="Sysop" timestamp="2022-08-29T11:42:09Z" comment="" />
          <rev user="Sysop" timestamp="2022-08-29T11:42:39Z" comment="" />
          <rev user="Sysop" timestamp="2022-08-29T11:43:15Z" comment="" />
        </revisions>
      </page>
    </pages>
  </query>
</api>