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>
    <blocks bkcontinue="20111019221305|43" />
  </query-continue>
  <query>
    <blocks>
      <block id="92" by="Fredrik Almgren" timestamp="2025-04-22T11:27:00Z" expiry="2025-04-23T11:27:00Z" reason="Automatisk blockerad eftersom din IP-adress nyligen använts av &quot;[[User:AdelaidaWiliams|AdelaidaWiliams]]&quot;.&#10;Motiveringen som angavs för blockeringen av AdelaidaWiliams var: &quot;Länkspam till externa sajter&quot;." automatic="" nocreate="" />
      <block id="90" by="Fredrik Almgren" timestamp="2025-04-20T17:13:34Z" expiry="2025-04-21T17:13:34Z" reason="Automatisk blockerad eftersom din IP-adress nyligen använts av &quot;[[User:AdelaidaWiliams|AdelaidaWiliams]]&quot;.&#10;Motiveringen som angavs för blockeringen av AdelaidaWiliams var: &quot;Länkspam till externa sajter&quot;." automatic="" nocreate="" />
      <block id="54" user="AdelaidaWiliams" by="Fredrik Almgren" timestamp="2025-02-27T16:19:37Z" expiry="infinity" reason="Länkspam till externa sajter" nocreate="" autoblock="" noemail="" />
      <block id="52" user="LamontDeal83" by="Fredrik Almgren" timestamp="2025-02-27T16:12:18Z" expiry="infinity" reason="Länkspam till externa sajter" nocreate="" autoblock="" noemail="" />
      <block id="50" user="MariaGrosse0056" by="Fredrik Almgren" timestamp="2025-01-29T14:00:33Z" expiry="infinity" reason="Länkspam till externa sajter" nocreate="" autoblock="" />
      <block id="48" user="Ipodsoft" by="Fredrik Almgren" timestamp="2013-04-06T19:12:50Z" expiry="infinity" reason="Länkspam till externa sajter" nocreate="" autoblock="" />
      <block id="47" user="PaulHowe" by="Fredrik Almgren" timestamp="2012-04-20T23:03:00Z" expiry="infinity" reason="Länkspam till externa sajter" nocreate="" autoblock="" />
      <block id="46" user="Rd" by="Fredrik Almgren" timestamp="2011-10-19T22:14:40Z" expiry="infinity" reason="SPAM" nocreate="" autoblock="" />
      <block id="45" user="Vu" by="Fredrik Almgren" timestamp="2011-10-19T22:14:05Z" expiry="infinity" reason="SPAM" nocreate="" autoblock="" />
      <block id="44" user="Pv" by="Fredrik Almgren" timestamp="2011-10-19T22:13:36Z" expiry="infinity" reason="SPAM" nocreate="" autoblock="" />
    </blocks>
  </query>
</api>