DKEurope · Northern Europe

Denmark Address Validation API

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

NNNN
Postnummer
OpenStreetMap
Data Source
Danish
Languages
HIGH
Max Confidence

Denmark Address Validation Demo

Confidence:HIGH
POST /enrich — ResponseSample
{
  "_note": "Sample response — enter any address and click Validate for live data",
  "valid": true,
  "canonical_address": "Christiansborg Slotsplads 1, 1218 København K",
  "confidence": "HIGH",
  "delivery_risk": "low",
  "matched_address": {
    "line1": "Christiansborg Slotsplads 1",
    "city": "Christiansborg Slotsplads",
    "postal_code": "1218 København K",
    "country": "Denmark",
    "iso2": "DK"
  },
  "geocode": {
    "lat": 55.6761,
    "lng": 12.5683
  },
  "data_source": "OpenStreetMap",
  "issues": []
}

Denmark Address Format

Danish addresses list street name, house number, optional floor (st., 1., 2. etc.) and door, then 4-digit postal code and city. Copenhagen uses 1000–2999 postal codes; Frederiksberg is 2000.

Postal Code Name
Postnummer
Format
NNNN
Official Languages
Danish
Sample address:
Christiansborg Slotsplads 1, 1218 København K
Major cities:
CopenhagenAarhusOdenseAalborgFrederiksbergEsbjerg

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": "Christiansborg Slotsplads 1, 1218 København K"}'

Frequently Asked Questions

What address format does Denmark use?
Danish addresses list street name, house number, optional floor (st., 1., 2. etc.) and door, then 4-digit postal code and city. Copenhagen uses 1000–2999 postal codes; Frederiksberg is 2000.
What is a Postnummer in Denmark?
Denmark uses a Postnummer with the format NNNN to identify delivery areas. The APITier Address Agent API validates and standardises addresses including the Postnummer as part of the response.
How do I validate a Denmark 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 Denmark address, geocoordinates (lat/lng), a confidence score (HIGH/MEDIUM/LOW), and data source information.

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