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="20120726215331|158" />
  </query-continue>
  <query>
    <blocks>
      <block id="179" user="EdisonCanela" by="Else" timestamp="2015-03-11T22:09:18Z" expiry="infinity" reason="" nocreate="" />
      <block id="178" user="Fabster" by="Alexander Brock" timestamp="2014-02-24T17:02:59Z" expiry="infinity" reason="Ungebührliches Verhalten" noemail="" />
      <block id="177" user="MoonMan" by="Felicitus" timestamp="2013-03-13T16:57:46Z" expiry="infinity" reason="Auf Wunsch des Nutzers gesperrt" />
      <block id="175" user="Torpin" by="Unicorn" timestamp="2012-12-25T11:41:46Z" expiry="infinity" reason="Ungebührliches Verhalten" nocreate="" />
      <block id="170" user="FelicaVqz" by="Tiefpunkt" timestamp="2012-08-04T18:09:35Z" expiry="infinity" reason="Einstellen unsinniger Inhalte in Seiten" nocreate="" autoblock="" />
      <block id="168" user="LyndaIpy" by="Tiefpunkt" timestamp="2012-08-04T18:09:26Z" expiry="infinity" reason="Einstellen unsinniger Inhalte in Seiten" nocreate="" autoblock="" />
      <block id="166" user="DelorisPvg" by="Silsha" timestamp="2012-08-03T21:13:57Z" expiry="infinity" reason="Ungeeigneter Benutzername" nocreate="" autoblock="" />
      <block id="164" user="Deb70" by="Silsha" timestamp="2012-08-03T11:53:13Z" expiry="infinity" reason="Ungeeigneter Benutzername" nocreate="" autoblock="" />
      <block id="162" user="JerryHl" by="Unicorn" timestamp="2012-07-28T09:22:34Z" expiry="infinity" reason="Massenweises Einfügen externer Links" nocreate="" autoblock="" noemail="" />
      <block id="160" user="DuaneBS" by="Unicorn" timestamp="2012-07-28T09:21:58Z" expiry="infinity" reason="Einstellen unsinniger Inhalte in Seiten" nocreate="" autoblock="" noemail="" />
    </blocks>
  </query>
</api>