curl --request GET \
  --url https://api.open.cx/blocklist/contacts \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "<string>",
      "contact_id": "<string>",
      "email": "<string>",
      "name": "<string>",
      "phone_number": "<string>",
      "reason": "<string>",
      "created_at": "2023-11-07T05:31:56Z"
    }
  ],
  "total": 123,
  "page": 123,
  "total_pages": 123
}