IBAN/BIC

The correct bank account can be used:

via the data stored in the Company screen of the MyBillit user interface.
or launched via the Json body in the supplier element.

Current situation :

One bank account is used.
- This is the bank marked as active in MyBillit, example:

Including a bank account per invoice is not yet supported.
When you include a bank account in the Json
- New bank account: will be included in the list of bank accounts, it is not selected as active
- Existing bank account: has no impact

Below how bank account number can be included in the Json, for your own account include it in the root level of order:

{
    "TransportType" : "Peppol",
    "Order" : {
            "OrderType": "Invoice",
            "OrderDirection": "Income",
            "OrderNumber": "QS-309589",
            "OrderDate": "2025-05-23",
            "ExpiryDate": "2025-06-30",
            "Reference": "45144456789",
            "OrderLines": [
            {
              "Quantity": 1,
              "UnitPriceExcl": 1.0,
              "Description": "my order line1",
              "VATPercentage": 21.0
            }
            ],
            "Customer": {
              "Name": "XYZ Brabant",
              "VATNumber": "BE0759529999",
              "PartyType": "Customer",
              "Contact" : "Payment 30 days",
              "Email" : "[email protected]",
              "BIC": "KREDBEBB",
              "IBAN": "BE20734054999956",  // This is customer related
              "BankAccounts": [
        {
          "IBAN": "BE20734054299956",    //this is your supplier bank account
          "BIC": "BBRUBEBB",
         "Active": true
        }
      ]


            }
    }
}