EU e-invoice formats, one API
Seven national and pan-EU e-invoice formats, one API key. Generate and validate every one; convert and render ship today on the shared EN 16931/CII core. Pick a format below for the technical details — profiles, endpoints, curl examples, mandate dates.
Pan-EU & EN 16931/CII core
Generate, validate, convert and render all ship today on this shared engine.
UBL 2.1 / Peppol BIS 3.0
Pan-EU · cross-border & public sectorThe closest thing to one EU standard — one network, one rule set.
XRechnung 3.0
Germany · B2G live, B2B 2027–2028UBL or CII, Leitweg-ID routing, KoSIT validation.
Factur-X
France · mandate 1 Sept 2026Hybrid PDF/A-3 + embedded CII XML, one file for humans and machines.
UN/CEFACT CII D16B
The syntax inside Factur-X & XRechnungStandalone CII generation, validation and conversion.
RO_CIUS
Romania · e-Factura, B2B mandatoryUBL profile for ANAF's e-Factura system.
National terminal formats
Generate and validate ship today; each has its own reasons convert/render aren't applicable yet — see each page.