Peppol ID Explained: Your Essential Guide to Electronic Invoicing and the Peppol Network
The Peppol ID is a unique identification code that enables companies to securely route their electronic invoices and other e-documents through the global Peppol network. As the Peppol framework becomes increasingly vital for B2B and B2G transactions worldwide, it is essential for your business to understand what this identifier is, how to obtain it, and how to use it correctly to guarantee accurate e-invoicing processing.
What is the Peppol Network?
The Peppol network (formerly Pan-European Public Procurement Online) is a robust and interoperable infrastructure designed for the standardized exchange of electronic documents, facilitating communication between businesses and government entities on an international scale. Through this secure environment, organizations can send and receive e-invoices and other standardized business documents safely and efficiently.
What is a Peppol ID Number?
A Peppol ID serves as a unique digital address for an organization within the Peppol system, comparable to a phone number in a telecommunications network. This identifier is crucial for locating and verifying participants, ensuring that electronic documents reach the correct recipient.
The Peppol Participant Identifier is composed of two main parts:
Scheme ID: A four-digit prefix that specifies the type of identifier used (e.g., a specific country’s business registry number or VAT number).
Participant ID: The unique numerical identifier of the organization, such as the company’s business registration number or its tax ID/VAT number.
For example, in Belgium, the Crossroads Bank for Enterprises (KBO) number is used as the Participant ID, while in the Netherlands, the Chamber of Commerce (KvK) number is commonly utilized.
The Importance of the Peppol ID in Electronic Invoicing
The adoption of the Peppol network has grown significantly across the globe, simplifying the implementation of mandatory electronic invoicing between private companies and public authorities. The Peppol ID acts as the definitive “e-invoice address”, ensuring that all documents, especially e-invoices, are delivered to the right destination within the network.
To send or receive documents via Peppol, a company must be registered with a valid Peppol ID. This essential registration is carried out through a certified Peppol Access Point Provider, which validates and assigns the unique identifier.
All invoices, whether sent or received, must include the Peppol ID of both the sender and the receiver, specifically within the structured data of the UBL (Universal Business Language) standard format used for generating and exchanging the e-invoice.


