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>
    <logevents lestart="2023-09-10T20:53:31Z" />
  </query-continue>
  <query>
    <logevents>
      <item logid="12917" ns="2" title="User:Monte Aventura" pageid="0" type="newusers" action="create" userid="554" user="Monte Aventura" timestamp="2024-04-26T17:03:20Z" comment="" />
      <item logid="12916" ns="2" title="User:Gibs Gambia" pageid="0" type="newusers" action="create" userid="553" user="Gibs Gambia" timestamp="2024-03-20T15:58:34Z" comment="" />
      <item logid="12915" ns="2" title="User:Frank Elephant" pageid="0" type="newusers" action="create" userid="552" user="Frank Elephant" timestamp="2024-03-09T13:14:09Z" comment="" />
      <item logid="12914" ns="2" title="User:Manu Castillo" pageid="0" type="newusers" action="create" userid="551" user="Manu Castillo" timestamp="2024-02-10T15:37:28Z" comment="" />
      <item logid="12913" ns="2" title="User:Jim Roche" pageid="0" type="newusers" action="create" userid="550" user="Jim Roche" timestamp="2024-02-05T11:08:13Z" comment="" />
      <item logid="12912" ns="2" title="User:Bushcamper Germany" pageid="0" type="newusers" action="create" userid="549" user="Bushcamper Germany" timestamp="2024-01-04T14:56:04Z" comment="" />
      <item logid="12911" ns="2" title="User:Andreane Vidal" pageid="0" type="newusers" action="create" userid="548" user="Andreane Vidal" timestamp="2023-12-04T20:52:06Z" comment="" />
      <item logid="12910" ns="2" title="User:Tina Graham" pageid="0" type="newusers" action="create" userid="547" user="Tina Graham" timestamp="2023-10-03T22:48:18Z" comment="" />
      <item logid="12909" ns="2" title="User:Dani Ibaceta" pageid="0" type="newusers" action="create" userid="546" user="Dani Ibaceta" timestamp="2023-09-27T00:50:53Z" comment="" />
      <item logid="12908" ns="2" title="User:Tomas Echeverria" pageid="0" type="newusers" action="create" userid="545" user="Tomas Echeverria" timestamp="2023-09-17T05:08:54Z" comment="" />
    </logevents>
  </query>
</api>