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>
    <allredirects garcontinue="Enable_Hardware_Unit_Ssd_Caching|352" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1327" ns="0" title="Clustered HA SAN/NAS with JBOD back-end" />
      <page pageid="1328" ns="0" title="Clustered HA SAN/NAS with iSCSI/FC SAN back-end" />
      <page pageid="1518" ns="0" title="Clustered HA SAN/NAS (ZFS based) Storage Pool Setup" />
      <page pageid="2700" ns="0" title="Cloud Containers/NAS Gateway" />
      <page pageid="2701" ns="0" title="Call-home/Alert Management" />
      <page pageid="2725" ns="0" title="QuantaStor CLI Users Guide" />
      <page pageid="2748" ns="0" title="QuantaStor EULA" />
      <page pageid="3108" ns="0" title="- 1. IBM Cloud QuantaStor SAN/NAS Storage Servers" />
      <page pageid="3110" ns="0" title="- 4. IBM Cloud NAS Gateway Appliance" />
      <page pageid="3112" ns="0" title="- 2. IBM Cloud Scale-out Object Storage Cluster" />
    </pages>
  </query>
</api>