PLEurope · Eastern Europe

Poland Address Validation API

Validate and standardise Poland addresses in real time. Get a matched address, geocoordinates, confidence score, and Kod pocztowy data via a single API call.

NN-NNN
Kod pocztowy
OpenStreetMap
Data Source
Polish
Languages
HIGH
Max Confidence

Poland Address Validation Demo

Confidence:HIGH
POST /enrich — ResponseSample
{
  "_note": "Sample response — enter any address and click Validate for live data",
  "valid": true,
  "canonical_address": "ul. Wiejska 4/6/8, 00-902 Warszawa",
  "confidence": "HIGH",
  "delivery_risk": "low",
  "matched_address": {
    "line1": "ul. Wiejska 4/6/8",
    "city": "ul. Wiejska",
    "postal_code": "00-902 Warszawa",
    "country": "Poland",
    "iso2": "PL"
  },
  "geocode": {
    "lat": 52.2297,
    "lng": 21.0122
  },
  "data_source": "OpenStreetMap",
  "issues": []
}

Poland Address Format

Polish addresses follow: street type + name + house number + optional apartment number (after a slash), then 5-digit postal code (formatted NN-NNN) and city. Common street types: ul. (ulica/street), al. (aleja/avenue), pl. (plac/square).

Postal Code Name
Kod pocztowy
Format
NN-NNN
Official Languages
Polish
Sample address:
ul. Wiejska 4/6/8, 00-902 Warszawa
Major cities:
WarsawKrakówŁódźWrocławPoznańGdańskKatowice

Integration Code

curl -X POST https://agent.apitier.com/v1/enrich \
  -H "Content-Type: application/json" \
  -H "x-api-key: YOUR_API_KEY" \
  -d '{"address": "ul. Wiejska 4/6/8, 00-902 Warszawa"}'

Frequently Asked Questions

What address format does Poland use?
Polish addresses follow: street type + name + house number + optional apartment number (after a slash), then 5-digit postal code (formatted NN-NNN) and city. Common street types: ul. (ulica/street), al. (aleja/avenue), pl. (plac/square).
What is a Kod pocztowy in Poland?
Poland uses a Kod pocztowy with the format NN-NNN to identify delivery areas. The APITier Address Agent API validates and standardises addresses including the Kod pocztowy as part of the response.
How do I validate a Poland address via API?
Send a POST request to https://agent.apitier.com/v1/enrich with your address string in the request body and your API key in the x-api-key header. The response includes the standardised Poland address, geocoordinates (lat/lng), a confidence score (HIGH/MEDIUM/LOW), and data source information.

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