EU e-invoice validation, as a developer API.
Check whether an electronic invoice conforms to EN 16931 — the European standard behind France, Germany, Belgium, Poland and the 2030 ViDA mandate — with a single REST call. Structured JSON errors mapped to the official BR-* business rules. No enterprise sales call required.
Validates EU electronic invoices (Peppol, XRechnung, FatturaPA, etc.) and explains validation error codes, enabling AI coding agents to check invoice validity and get fixes before rejection.
Enables validation and PDF rendering of Guatemalan FEL invoices from XML files. Supports single file processing and batch operations with branded PDF output for local tax compliance workflows.