Free VAT, EORI and IBAN tools

Validate EU and UK VAT numbers against the official registers, check lists in bulk, check EORI numbers and IBANs and calculate VAT for every EU country. Free, no account needed.

Free tool · EU (VIES) + UK

VAT checker: check a VAT number

Is this VAT number valid and active?

Free tool · CSV in, CSV out

Bulk VAT validator

Check a list of VAT numbers at once.

Free tool · GB + XI

UK VAT checker

Is this UK VAT number registered?

Free tool · all EU rates

VAT calculator

Add or remove VAT at any EU rate.

Free tool · GB, XI and EU numbers

EORI checker: check an EORI number

Is this EORI number valid and registered?

Free tool · XRechnung · ZUGFeRD

E-invoice validator

Upload an XRechnung, ZUGFeRD or EN 16931 invoice and validate it

Free tool · 89 countries

IBAN checker

Is this IBAN well formed, and which bank is it?

Reference

VAT number formats

Format, example and regex for all 29 country codes.

VAT rates

Current standard and reduced rates in the EU and UK.

Guides

VIES, reverse charge, validation in code, API comparison.

VAT validation API

Validate VAT numbers in your app

vatcheckapi checks the format and checksum of EU and UK VAT numbers and confirms the registration live (VIES for EU numbers), with company name and address where the country provides them.

/v2/check documentation VAT number API All documentation

150 free validations every month. No credit card required.

GET https://api.vatcheckapi.com/v2/check?vat_number=LU26375245

{
  "country_code": "LU",
  "vat_number": "26375245",
  "format_valid": true,
  "checksum_valid": true,
  "registration_info": {
    "is_registered": true,
    "name": "AMAZON EUROPE CORE S.A R.L.",
    "address": "38, AVENUE JOHN F. KENNEDY\nL-1855  LUXEMBOURG",
    "address_parts": null,
    "checked_at": "2026-10-16T09:12:44.000000Z"
  },
  "registration_info_history": []
}