Netherlands APIs
BSN checks with the 11-proof, 4-digit postal areas, holidays, IBAN and VIES.
What LiveAPI covers in Netherlands
| ID and tax numbers | BSN |
|---|---|
| Postal codes | 4-digit postal areas only (for example 1012); full codes like 1012 AB match their area. |
| Public holidays | National holidays via Nager.Date. |
| IBAN | Length and checksum, with the country's IBAN format. |
| VAT numbers | Live check against EU VIES. |
| License plates | Format checks. |
ID, tax and company numbers
- BSN
POST /v1/validate/NL/bsn
9-digit citizen service number, 11-proof. Example:111222333
Checks are algorithmic only (registry_checked: false). Values are never stored or logged.
More Netherlands APIs
FAQ
Can I check a live VAT number?
Yes. POST /v1/vat/validate asks the European Commission's VIES service whether the VAT number is active.