FAQ

API & development

Frequently asked questions about api & development.

11 questions

01Can I add an email address to my invoices?Yes, but only when sending a raw UBL document.02Can 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.03Can I view logs of sent documents?Yes, via the dashboard and via API responses (status/log fields).04How 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.05How can I see feedback when a document is rejected by the recipient?Not always — this depends on the receiving software.06How can I test without sending real invoices?Use the Recommand Playground to safely test without sending documents over the Peppol network.07How do I add a structured reference (OGM) correctly?Use the numeric format, without "+++" or "/".08How do I use the Playground environment?The playground is a separate test environment without real Peppol delivery.09Must I register recipients in my team first to be able to send?In production no, in playground yes.10What is the correct format for a Peppol address?Use the ISO6523 format, e.g. 0208:0123456789 or 0088:5400000000001.11What is the difference between production and playground?The playground is for testing; production for real documents on the Peppol network.