e-invoice validation API

Changelog

Rule-set releases. New versions ship as "available" for two weeks, then become the default; the previous default stays pinnable for 12 months.

DateFormatVersionStatus
2026-05-15Peppol BIS Billing 3.02026.5default
2025-11-15Peppol BIS Billing 3.02025.11deprecated
2023-01-01e-SLOG 2.0 (Slovenia)2.0default