curl --request GET \
  --url https://api.maildiver.com/v1/automation/contacts \
  --header 'Authorization: Bearer <token>'

{
  "contacts": [
    {
      "id": "0195c9e3-5067-741d-be87-a4f75ef93372",
      "email": "user@example.com",
      "workspace_id": "0195a927-b706-725a-94dd-372770d920f2",
      "last_seen": 1742843423033,
      "last_event": "email.delivered",
      "event_count": 15,
      "first_seen": 1742299707142,
      "created_at": 1742299707142,
      "updated_at": 1742843423033
    },
    {
      "id": "0195c9e3-5067-741d-be87-b4f75ef93373",
      "email": "customer@example.com",
      "workspace_id": "0195a927-b706-725a-94dd-372770d920f2",
      "last_seen": 1742800000000,
      "last_event": "email.opened",
      "event_count": 8,
      "first_seen": 1742300000000,
      "created_at": 1742300000000,
      "updated_at": 1742800000000
    }
  ],
  "count": 2,
  "cursor": null
}