Check UBL 2.1 XML using the EN 16931 and CIUS-RO rules in ANAF package 1.0.9.
Batch upload is available for all six formats: EN 16931, XRechnung, Factur-X, KSeF, RO e-Factura and HR-CIUS. Free: one file; Pro: 25; Team: 100. Files run sequentially with per-file results and JSON export. Each checked file counts toward the shared browser/API invoice allowance: Pro 250 or Team 1,000 per UTC day.