curl --request GET \
  --url https://integracao.sandbox.cardapioweb.com/api/partner/v1/merchant/customers \
  --header 'X-API-KEY: <api-key>'

{
  "customers": [
    {
      "id": 123,
      "name": "<string>",
      "email": "jsmith@example.com",
      "phone_number": "<string>",
      "ddi": "<string>",
      "birth_date": "2023-12-25",
      "created_at": "2023-11-07T05:31:56Z",
      "loyalty_points": 123,
      "loyalty_points_expires_at": "2023-12-25",
      "cashback_balance": 123,
      "cashback_expires_at": "2023-12-25",
      "notifications_enabled": true
    }
  ],
  "pagination": {
    "current_page": 123,
    "total_pages": 123,
    "total_customers": 123
  }
}