BEEurope · Western Europe

Belgium Address Validation API

Validate and standardise Belgium addresses in real time. Get a matched address, geocoordinates, confidence score, and Postcode / Code postal data via a single API call.

NNNN
Postcode / Code postal
OpenStreetMap
Data Source
Dutch / French
Languages
HIGH
Max Confidence

Belgium Address Validation Demo

Confidence:HIGH
POST /enrich — ResponseSample
{
  "_note": "Sample response — enter any address and click Validate for live data",
  "valid": true,
  "canonical_address": "Rue de la Loi 16, 1000 Bruxelles",
  "confidence": "HIGH",
  "delivery_risk": "low",
  "matched_address": {
    "line1": "Rue de la Loi 16",
    "city": "Rue de la Loi",
    "postal_code": "1000 Bruxelles",
    "country": "Belgium",
    "iso2": "BE"
  },
  "geocode": {
    "lat": 50.8503,
    "lng": 4.3517
  },
  "data_source": "OpenStreetMap",
  "issues": []
}

Belgium Address Format

Belgian addresses include street name, house number, optional box number, then 4-digit postal code and municipality. Belgium has three official language communities (Dutch, French, German), so city names may appear in multiple languages.

Postal Code Name
Postcode / Code postal
Format
NNNN
Official Languages
Dutch, French, German
Sample address:
Rue de la Loi 16, 1000 Bruxelles
Major cities:
BrusselsAntwerpGhentCharleroiLiègeBrugesLeuven

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": "Rue de la Loi 16, 1000 Bruxelles"}'

Frequently Asked Questions

What address format does Belgium use?
Belgian addresses include street name, house number, optional box number, then 4-digit postal code and municipality. Belgium has three official language communities (Dutch, French, German), so city names may appear in multiple languages.
What is a Postcode / Code postal in Belgium?
Belgium uses a Postcode / Code postal with the format NNNN to identify delivery areas. The APITier Address Agent API validates and standardises addresses including the Postcode / Code postal as part of the response.
How do I validate a Belgium 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 Belgium address, geocoordinates (lat/lng), a confidence score (HIGH/MEDIUM/LOW), and data source information.

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