Danadresse — public API docs, examples & MCP server

Danadresse is a drop-in replacement for DAWA (Danmarks Adressers Web API), which closes 17 August 2026. Same endpoints, same query parameters, same JSON shapes — migration is a base-URL change plus an X-Api-Key header. Backed by its own data from Datafordeleren (DAR, BBR, Matriklen, DAGI), so it keeps working after DAWA shuts down.

This is the public repo: API reference, client examples and the MCP server. The backend is private. Product site: https://danadresse.dk.

📖 Interactive API reference

• Swagger UI (try it live): https://andrey-tut.github.io/danadresse-docs/swagger.html — pick the api.danadresse.dk server, hit Authorize (or go keyless on the free tier) and Try it out on any endpoint
• Redoc: https://andrey-tut.github.io/danadresse-docs/
• OpenAPI spec: openapi.yaml · openapi.json — 130+ endpoints

🚀 Quick start

# No key needed for the free tier (lower per-IP rate limit):
curl "https://api.danadresse.dk/autocomplete?q=rådhuspladsen+1+københavn"

# With a key (get one at https://danadresse.dk):
curl -H "X-Api-Key: dawa_live_…" \
  "https://api.danadresse.dk/datavask/adresser?betegnelse=rådhuspladsen+1+1550+københavn"

Migrating from DAWA? Change api.dataforsyningen.dk → api.danadresse.dk, add the X-Api-Key header, done. See clients/migrate-cli.

🤖 MCP server — Danish addresses for AI agents

@danadresse/mcp-server gives Claude Desktop / Claude Code / Cursor / Continue / Zed direct access to 2.4M Danish addresses (autocomplete, validation, reverse geocoding, DAGI, BBR, quality scoring). No install — npx fetches it:

{
  "mcpServers": {
    "danadresse": {
      "command": "npx",
      "args": ["-y", "@danadresse/mcp-server"],
      "env": { "DANADRESSE_API_KEY": "dawa_live_…" }
    }
  }
}

Full guide: examples/mcp · source: mcp-server.

📦 Examples & clients

examples/	curl · Python · JavaScript · PHP · MCP
clients/python	pip install danadresse
@danadresse/client	npm i @danadresse/client (JS/TS)
clients/wordpress-plugin	WordPress / WooCommerce
clients/migrate-cli	DAWA → Danadresse migration CLI

License

Examples, clients and the MCP server in this repo are MIT licensed. The API data follows the Datafordeleren licence (CC BY 4.0). The backend is proprietary.

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