Validate IBAN, VAT, SWIFT, LEI, and credit cards instantly. Free 50/day. Now with a landing page and 100 SEO validator pages.
How to pay
Pick whichever fits your workflow — you can switch any time.
Subscribe
$19/month
Predictable monthly cost with included usage. Best for steady, high-volume traffic.
- Unlimited tools within plan limits
- One API key, billed once a month
- Cancel any time
Pay-per-call
$0.02 – $0.05 per call
Charge agents in USDC the moment they call a tool. No subscriptions, no signup — pay only for what you use.
- 2 priced tools available
- Settled in USDC on Base
- No account or API key required
Validate EU VAT numbers instantly. Checks format per country according to official patterns. Covers 28 EU member states including Germany, France, UK, Italy, Spain, Netherlands, Belgium, Austria, Poland, Sweden, and more.
Tools:
- validate_vat — validate a single VAT ID
- validate_vat_batch — up to 50 VAT IDs in one call
Example
Input: DE123456789
Output: { "valid": true, "vat_id": "DE123456789", "country_code": "DE", "format_ok": true, "note": "Format-only validation. VIES registration check requires a real EU VIES API call." }
Links
- Landing + live demo: https://boring-saas-infra.pages.dev/finance-tools
- VAT validator page: https://boring-saas-infra.pages.dev/validate/validate-vat
- 20 country-specific pages: https://boring-saas-infra.pages.dev/validate/ (Germany, France, UK, Italy, Spain, Netherlands, Belgium, Austria, and more)
- Pricing: Free 50/day · Pro $19.99/mo -> https://checkout.suby.fi/p/pro_v1vsrhgd50oz4f0g266g33am
Notes
- Format-only validation in the free tier. VIES registration lookup available on Pro.
- REST endpoint: https://finance-validators.boring-saas-infra.workers.dev/vat