Unsubscribes a user from a group. A notification is sent to the manager.
ID of the user
ID of the group
CONFIRMED_OPT_IN - Contacts receive a message via email when they are removed from the group. Despite the label used for this value, the contact does not need to confirm the unsubscription. A single opt-in unsubscription.
OPT_IN - Contacts are removed from the group without notification email.
userId, groupId and unsubscriptionMode are mandatory, but are missing or incorrect. / User with id does not exist. / Group with id does not exist.
Error response: {
"errorActor": "CLIENT",
"errorCode": "INVALID_REQUEST",
"message": "Not Found"
}