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>
    <recentchanges>
      <rc type="edit" ns="0" title="EBR10K" rcid="74626" pageid="2923" revid="66006" old_revid="9479" timestamp="2020-09-23T01:59:39Z" />
      <rc type="new" ns="0" title="Living roofs" rcid="54748" pageid="36602" revid="46149" old_revid="0" timestamp="2015-03-12T13:20:33Z" />
      <rc type="new" ns="0" title="Bio diverse roof790" rcid="54747" pageid="36601" revid="46148" old_revid="0" timestamp="2015-03-12T13:20:16Z" />
      <rc type="new" ns="0" title="Living roof" rcid="54728" pageid="36582" revid="46129" old_revid="0" timestamp="2015-03-12T03:35:47Z" />
      <rc type="new" ns="0" title="Brown roofs" rcid="54727" pageid="36581" revid="46128" old_revid="0" timestamp="2015-03-12T03:35:26Z" />
      <rc type="new" ns="0" title="Green roofs" rcid="54662" pageid="36516" revid="46063" old_revid="0" timestamp="2015-03-10T18:50:29Z" />
      <rc type="new" ns="0" title="Green roofs uk" rcid="54661" pageid="36515" revid="46062" old_revid="0" timestamp="2015-03-10T18:50:13Z" />
      <rc type="new" ns="0" title="Leaky Gut894" rcid="54628" pageid="36482" revid="46029" old_revid="0" timestamp="2015-03-09T08:49:33Z" />
      <rc type="new" ns="0" title="Leaky Gut" rcid="54627" pageid="36481" revid="46028" old_revid="0" timestamp="2015-03-09T08:49:00Z" />
      <rc type="new" ns="0" title="Purchase order management system" rcid="54625" pageid="36479" revid="46026" old_revid="0" timestamp="2015-03-07T12:47:50Z" />
    </recentchanges>
  </query>
  <query-continue>
    <recentchanges rcstart="2015-03-07T12:47:33Z" />
  </query-continue>
</api>