About this product
Gravity Forms VAT ID Field — Validate EU VAT IDs (VIES & German BZSt eVatR)
Collect and verify European VAT IDs (USt-IdNr.) in your Gravity Forms — with real,
server-side validation, optional live online checks against EU VIES and the German BZSt eVatR service,
and a reusable Settings API field for developers. No Composer, no external libraries, no monthly
fees.
Whether you run B2B checkout forms, partner/reseller onboarding, e-invoicing intake, or any form that
captures a VAT number, this add-on makes sure the value you store is actually a valid European VAT ID —
not just a string that “looks right”.
Why you’ll love it
✅ Real validation, not just a regex. Structure, EU country prefix and
per-country length are all c