About UBL 2.1 e-Invoice validation service

The UBL e-Invoice validator is dedicated to the validation of UBL 2.1 e-Invoices. For further information read documentation at https://ec.europa.eu/cefdigital/wiki/display/CEFDIGITAL/eInvoicing


Several interfaces are available

  • A web interface, at:
    Validation through web form upload is provided to all users (i.e. via anonymous access) through the above link. Once a UBL invoice is uploaded, it is validated and a detailed report is presented to the user that can be downloaded (in GITB TRL format) and cross-checked against the submitted content.
  • A SOAP web service for UBL 2.1 e-Invoice, WSDL at:
    An invoice can be validated via web service call to a GITB-compliant content validation service.  To facilitate use of the web service, a relevant SOAP UI test case is provided in B4InvoiceValidation-soapui-project.xml
  • An e-mail, via the address: validate.invoice@gmail.com.
    Validation of invoices via email is enabled by emailing one or more invoices as attachments to the email address. Once validation is completed a reply is returned with an overview of the validation as the email body and the detailed validation reports (in GITB TRL format) as attachments.

Owner/Contact Information

The ISA Programme
Supra-national authority


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