Poland APIs
PESEL checks with birth date and sex, NIP and REGON checks, postal codes, holidays, IBAN and VIES.
What LiveAPI covers in Poland
| ID and tax numbers | PESEL, NIP, REGON |
|---|---|
| Postal codes | 72,000+ postal codes with voivodeship and county. |
| 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 | Not covered. |
ID, tax and company numbers
- PESEL
POST /v1/validate/PL/pesel
11 digits; returns birth date (1800-2299) and sex. Example:44051401359 - NIP
POST /v1/validate/PL/nip
10-digit tax number. Example:8567346215 - REGON
POST /v1/validate/PL/regon
9-digit entity or 14-digit local unit number. Example:192598184
Checks are algorithmic only (registry_checked: false). Values are never stored or logged.
More Poland 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.