The
Peppol ID
is
the unique address that enables companies, organizations, and authorities to receive business messages, such as e-invoices, via the Peppol/InvoiceNow network
.
https://www.peppoldirectory.sg/ (Singapore Peppol Directory)
https://directory.peppol.eu/public (International Peppol Directory)
In Singapore, a Peppol ID consists of a country code + the UEN number of a company.
You can look up your companies Peppol ID and the Peppol ID of your business partners on the Peppol Directory;