area: email
action: createlist
https://api.hypermail.com/api.php?apikey=YOURAPIKEYHERE&area=email&action=createlist&title=newlist&emails=test@test.com&suppression=0
<response>
<success>List Created</success>
<id>145234</id>
</response>
{
"success": "List Created",
"id": "145234"
}