GeographyStandardCC-BY-4.0

Geodatastyrelsen DAWA

Name: Geodatastyrelsen DAWA
License: CC-BY-4.0

DAWA (Danmarks Adressers Web API) from Geodatastyrelsen provides access to all Danish addresses (~4 million), reverse geocoding from coordinates to addresses, and a municipality overview with region affiliation. Complements the Norwegian Kartverket and Swedish Lantmäteriet with Danish coverage. No auth required. CC-BY-4.0.

4.0M rows

Data volume

Daily

Updates

MCP tools

Example response — /connectors/geodatastyrelsen/adresser

{
  "data": "..."
}

MCP integration

Available MCP tools

dawa_address_lookup

dawa_address_search

dawa_municipalities

dawa_reverse_geocode

Configuration for Claude Desktop / Cursor

{
  "mcpServers": {
    "geodatastyrelsen": {
      "url": "https://data.ketl.no/mcp/geodatastyrelsen",
      "headers": {
        "Authorization": "Bearer $KETL_API_KEY"
      }
    }
  }
}

API endpoints

GET

/adresser

Fritekst-adressesøk

q optional: Fritekstsøk (eller bruk vejnavn/postnr for strukturert søk) q=Rådhuspladsen
vejnavn optional: Vejnavn vejnavn=Rådhuspladsen
husnr optional: Husnummer husnr=1
postnr optional: Postnummer postnr=1550
kommunekode optional: Kommunekode kommunekode=0101
per_side optional: Antall treff per side (paginering)
limit optional: Alias for per_side (antall treff)

Show curl example

# GET https://data.ketl.no/api/connectors/geodatastyrelsen/adresser
curl \
  -H "Accept: application/json" \
  "https://data.ketl.no/api/connectors/geodatastyrelsen/adresser"

Authenticated call — add one of these headers: x-api-key: ketl_… · Authorization: Bearer … — See the full reference in the documentation.

GET

/adresse/{id}

Hent adresse på DAWA-UUID

Show curl example

# GET https://data.ketl.no/api/connectors/geodatastyrelsen/adresse/{id}
curl \
  -H "Accept: application/json" \
  "https://data.ketl.no/api/connectors/geodatastyrelsen/adresse/{id}"

Authenticated call — add one of these headers: x-api-key: ketl_… · Authorization: Bearer … — See the full reference in the documentation.

GET

/reverse

Reverse geocoding (koordinat til adresse)

x required: Lengdegrad (x) x=12.57
y required: Breddegrad (y) y=55.67

Show curl example

# GET https://data.ketl.no/api/connectors/geodatastyrelsen/reverse?x=12.57&y=55.67
curl \
  -H "Accept: application/json" \
  "https://data.ketl.no/api/connectors/geodatastyrelsen/reverse?x=12.57&y=55.67"

Authenticated call — add one of these headers: x-api-key: ketl_… · Authorization: Bearer … — See the full reference in the documentation.

GET

/kommuner

Kommuneoversikt

q optional: Fri-tekst filter på kommunenavn (maks 200 tegn; lengre gir 400). Utelatt ⇒ alle kommuner. q=Aarhus

Show curl example

# GET https://data.ketl.no/api/connectors/geodatastyrelsen/kommuner
curl \
  -H "Accept: application/json" \
  "https://data.ketl.no/api/connectors/geodatastyrelsen/kommuner"

Authenticated call — add one of these headers: x-api-key: ketl_… · Authorization: Bearer … — See the full reference in the documentation.

Access and pricing

Geodatastyrelsen DAWA is openly available — create an account to get started.

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