Check any IBAN and any EU VAT number instantly. Stop shipping invoices to invalid tax IDs or wrong bank accounts.
First 200 checks free. No card to start.
curl "https://vat.installateur1210.at/v1/iban?value=AT611904300234573201" \
-H "X-API-Key: YOUR_KEY"
{ "valid": true, "country": "AT", "check_digits": "61",
"formatted": "AT61 1904 3002 3457 3201", "length": 20 }
curl "https://vat.installateur1210.at/v1/vat?value=ATU12345678" \
-H "X-API-Key: YOUR_KEY"
{ "country": "AT", "format_valid": true, "vies_checked": true,
"registered": true, "name": "Example GmbH", "address": "..." }
GET /v1/iban?value= — IBAN mod-97 + country/lengthGET /v1/vat?value=&vies=true — EU VAT format + VIES registrationGET /v1/healthPOST /v1/signup with your email — instant free key, 200 checks. Upgrade via Stripe when you exceed it.