curl --request POST \
  --url https://api.json.pe/api/dni-ruc \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "dni": "12345678"
}
'

{
  "success": true,
  "message": "El DNI si cuenta con RUC",
  "data": {
    "ruc": "10123456781"
  }
}