What is SMP?
Short answer
SMP, Service Metadata Publisher, is service in Peppol An ecosystem thatublis a participant metadata: what documents he can receive and what technical data are used for delivery.
Types of documents
The SMP shows whether the participant receives, for example, an invoice, credit or other document type.
Technical details for delivery
It includes not only endpoint itself, but also supported processes and transport settings, according to which Access Point can direct the document correctly.
Finding SMP
SML helps to find out where the right SMP for the participant is located.
Practical Meaning
If SMP does not have the correct metadata, sending may fail with good XML.
Conclusion
Financial Administration of the Slovak Republic, FAQ 9/VAT/2025/IM k e-invoice, July 2026 update
Not legal advice. Machine-translated answer, not yet manually reviewed. For the exact wording, see the Slovak original.