Rate-limited per IP, shares the free trial pool with the online validator. Nothing you upload or paste is stored — parsing is stateless. No file handy? Try a sample invoice.
Checked live against the official EU VIES registry — valid/invalid plus the registered name and address. Rate-limited per IP, nothing stored. A business must trust a supplier's VAT id before it can reclaim the tax — the receive-side companion to the France mandate.