FAQ

Addressing & delivery

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How can I check if a company is active on the Peppol network?

Use our /verify API endpoint or our Peppol search to verify if a Peppol address is valid.

How does Peppol know where to route my invoice?

Via the recipient's unique Peppol ID.

What is a GLN and when should I use it?

A GLN identifies specific locations within an organization.

What is a Peppol Access Point?

Your digital mailbox on the Peppol network.

Why do companies register only as recipients?

Because Peppol only needs to register recipients — senders operate via their Access Point.

API & development

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Can I add an email address to my invoices?

Yes, but only when sending a raw UBL document.

Can I send an XML document directly via the API?

Yes, via the send document endpoint, as long as the XML document is fully Peppol/UBL compliant.

Can I view logs of sent documents?

Yes, via the dashboard and via API responses (status/log fields).

How can I download my sent or received documents?

You can download documents as a complete package (ZIP) or just the XML file via the API or dashboard.

How can I see feedback when a document is rejected by the recipient?

Not always — this depends on the receiving software.

How can I test without sending real invoices?

Use the Recommand Playground to safely test without sending documents over the Peppol network.

How do I add a structured reference (OGM) correctly?

Use the numeric format, without "+++" or "/".

How do I use the Playground environment?

The playground is a separate test environment without real Peppol delivery.

What is the correct format for a Peppol address?

Use the ISO6523 format, e.g. 0208:BE0123456789.

What is the difference between production and playground?

The playground is for testing; production for real documents on the Peppol network.

General usage

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Can a company use multiple Peppol Access Points?

Per document type, a company can have only one active receiving Access Point.

Can I manage multiple customers within one account?

Yes, Recommand supports teams with multiple companies.

Can I see if my invoice was read?

You can see when the document was marked as read within your team, but not if the recipient opened it.

Can I use Recommand for sending only or also for receiving?

You choose whether to use Recommand for sending, receiving or both. Both options are supported.

Can I whitelabel integrate Recommand into my own software?

Yes, many software vendors use the Recommand API to offer Peppol sending under their own brand.

How do I get started with Recommand?

Create a free account, set up a playground environment and send your first invoice right away via the API or the dashboard.

How does the Recommand API work?

The API allows you to send, receive and manage Peppol documents in JSON or UBL XML.

How long does it take for an invoice to reach the recipient?

In most cases within seconds, depending on the receiving system.

Is support included?

Yes, all paid plans include email support.

Must I register as a receiver to receive Peppol invoices?

Yes, to receive invoices via Peppol, you must be registered as an SMP recipient.

What is Recommand and what can I use it for?

Recommand is an open-source Peppol Access Point that lets companies send and receive invoices and other documents via the Peppol network.

Where can I get help?

You can reach us by email or join our community on Discord and GitHub.

Peppol basics

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Does the government automatically receive documents sent over Peppol?

No. Documents only go to the addressed participant.

What is Peppol?

A network for the secure, structured exchange of business documents.

Which documents can be sent over the Peppol network?

Invoices, but also credit notes, orders, despatch advices, etc.

Security & certification

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Are documents sent via Peppol publicly visible?

No. Documents on Peppol are not public and are exchanged encrypted.

Is Peppol more secure than email?

Absolutely. The Peppol network uses verification, encryption and controlled access.

Is Recommand secure and certified?

Yes, Recommand meets all Peppol security and certification standards.

Sending & error handling

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Can I upload my own UBL XML?

Yes, directly via the send document endpoint.

What happens after an invoice is successfully delivered?

It appears automatically in the recipient's Peppol inbox.

What happens if the recipient is unreachable?

The invoice is not delivered and you receive an error message.

What if I don't switch to Peppol by 2026 as a Belgian company?

From January 1, 2026, e-invoicing via Peppol is mandatory for all Belgian companies. Not switching can lead to fines and practical issues.

What is the difference between an e-invoice and a PDF invoice?

E-invoices are structured and automatically processable.

VAT & accounting details

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What is self-billing and how does it work?

In self-billing, the buyer creates the invoice on behalf of the supplier.

Which VAT codes do I use?

Use 'S' for standard rate, 'AE' for EU, and 'G' for export outside EU.