UBL 2.1

UBL 2.1 Invoice and CreditNote with selectable CIUS

One endpoint, six CIUS profiles: Peppol BIS 3, EN 16931, NLCIUS, EHF, XRechnung and PINT. The right CustomizationID every time.

Legal compliance dates

• Netherlands · NLCIUS

  Dutch Peppol Authority CIUS on UBL

• Belgium · Peppol

  B2G and expanding B2B via Peppol BIS Billing 3.0

• Poland · EN 16931 UBL

  Useful as an interchange syntax before KSeF mapping

Sample JSON payload

{
  "invoice": {
    "number": "UBL-21",
    "profile": "peppol-bis-3",
    "currency": "EUR"
  }
}

Open API docs →