Nets — Betalingsservice
Danish direct debit system — restricted API for registered payment service users only.
Danmarks Nationalbank publishes a public REST API for statistical data including daily exchange rates (EUR, USD, GBP, etc.), money supply data, and financial stability indicators. No authentication required. Data is updated daily and monthly depending on the series.
Fully public. Exchange rate data updated daily. XML and JSON formats available.
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Danish direct debit system — restricted API for registered payment service users only.
System-to-system access to Danish company annual reports (XBRL) — free account required, refreshed every 10 minutes.
The Danish e-invoicing registry — looks up which Peppol/OIOUBL document types a CVR number or endpoint can receive.