{
  "contractNumber": "YOUR_CONTRACT_NUMBER",
  "password": "YOUR_PASSWORD",
  "outputFormat": {
    "x": 0,
    "y": 0,
    "outputPrintingType": "PDF_10x15_300dpi",
    "dematerializedReturnLabel": false,
    "returnTypeChoice": 3
  },
  "letter": {
    "service": {
      "productCode": "DOS",
      "depositDate": "2026-06-13",
      "orderNumber": "ORD-002",
      "returnTypeChoice": 3
    },
    "parcel": {
      "weight": 0.5,
      "insuranceValue": 0
    },
    "sender": {
      "company": "Test Sender SAS",
      "lastName": "Sender",
      "firstName": "Test",
      "line2": "1 Rue du Test",
      "countryCode": "FR",
      "city": "Paris",
      "zipCode": "75008",
      "email": "sender@example.fr"
    },
    "addressee": {
      "lastName": "Recipient",
      "firstName": "Test",
      "line2": "2 Rue du Destinataire",
      "countryCode": "FR",
      "city": "Marseille",
      "zipCode": "13001",
      "email": "recipient@example.fr"
    }
  }
}