Remove a phone number from the sandbox list.
This operation is idempotent - deleting a phone number that is not in the sandbox list will succeed without making any changes.
In order to get access to this endpoint, contact our support team.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
The E.164 formatted phone number to remove from the sandbox list.
OK
The E.164 formatted phone number that was removed from the sandbox list.
"+30123456789"