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Validate Dutch VAT in 2 seconds

Name: Dutch VAT Validator
Brand: Finance Tools

Validate Dutch VAT format against the official pattern. Checks structure and length — no VIES registration lookup in free tier.

Try live demo ↓ See pricing

GET /vat — live demo

Input dutch vat

Sample value. Replace with your own.

Validation result

// Click "Validate →" to run

Ready. Free 50 validations/day.

How it works

VAT (Value Added Tax) numbers vary by EU member state. Each country has its own format, prefix and check rules. Our free validator checks the format per country. VIES registration lookup is available on the Pro plan.

API call

# GET
curl "https://finance-validators.boring-saas-infra.workers.dev/vat?value=NL123456789B01"

# POST (same result)
curl -X POST https://finance-validators.boring-saas-infra.workers.dev/validate \
  -H "Content-Type: application/json" \
  -d '{"type":"vat","value":"NL123456789B01"}'

What you get back

{
  "valid": true,
  "vat_id": "NL123456789",
  "country_code": "NL",
  "format_ok": true,
  "note": "Format-only validation. VIES registration check requires a real EU VIES API call."
}

Why use our dutch vat validator

Instant — ~50ms response time from Cloudflare edge.
Format + checksum + country rules (where applicable).
REST API. Works from any language.
Free 50/day. Pro: 5,000/month for $19.99.
No API key needed for the free tier.

Pricing

$0/forever

50 validations / day
All 5 validators
REST API

Start free

$19.99/month

5,000 validations / month
Batch validation
VIES lookup (VAT)
Priority queue

Subscribe →

FAQ

How do I validate a dutch vat?

GET /vat?value=YOUR_VALUE or POST to /validate with {"type":"vat","value":"..."}.

Is there a free tier?

Yes. 50 validations per day, no credit card required.

What does the validator check?

Format, length, country rules, and checksum where applicable.

Can I integrate this via API?

Yes. REST API. GET or POST. Works from any language.

Does it check if a real account exists?

No. Format + checksum only. It does not verify existence or activity.