Codes d'erreur

// Erreur simple
{ "message": "Description de l'erreur." }

// Erreur de quota (402)
{
  "success": false,
  "message": "Vous avez atteint votre quota d'enveloppes pour ce mois (15).",
  "error_code": "envelopes_limit_reached",
  "meta": { "limit": 15, "used": 15, "remaining": 0 }
}

// Erreurs de validation (422)
{
  "message": "The given data was invalid.",
  "errors": {
    "email": ["The email field is required."],
    "folder.name": ["The folder.name may not be greater than 255 characters."]
  }
}