curl --request GET \
  --url https://tu-dominio.com/api/external/v1/returns/summary \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "meta": {
    "empresa": "Mi Empresa S.A.",
    "timestamp": "2023-11-07T05:31:56Z",
    "filters_applied": {}
  },
  "data": {
    "total_devoluciones": 123,
    "total_monto": 123,
    "promedio_devolucion": 123,
    "periodo": {
      "fecha_inicio": "2023-12-25",
      "fecha_fin": "2023-12-25"
    }
  }
}