area: email
action: editcanspamwhoisinfo
https://api.hypermail.com/api.php?apikey=YOURAPIKEYHERE&area=email&action=editcanspamwhoisinfo&id=1&company=abc&firstname=John&lastname=Smith&email=test@test.com&phone=8005555555&address=123mainstreet&city=springfield&region=CA&zip=12345&country=US&primary=1
<response>
<success>Whois/Can SPAM Updated</success>
</response>
{
"success": "Whois/Can SPAM Updated"
}