area: email
action: getlisthardbounces
https://api.hypermail.com/api.php?apikey=YOURAPIKEYHERE&area=email&action=getlisthardbounces&id=11234
<response>
<records>10376</records>
<record><emailid>14</emailid><email>test@test.com</email><status>Address does not exist</status>
</record>
</response>
{
"records": "10376",
"record": {
"emailid": "14",
"email": "test@test.com",
"status": "Address does not exist"
}
}