XML-RPC call:

<?xml version="1.0"?>
<methodCall>
<methodName>mailkit.mailinglist.lists</methodName>
<params>
  <param><value><int>client_id</int></value></param>
  <param><value><string>client_md5_hash_here</string></value></param>
</params>
</methodCall>

give back an array contained:

ID_USER_LIST
NAME
DESCRIPTION
STATUS