Guides · API

Dutch neighbourhood statistics API

Netherlands neighbourhood profile in English for any postcode or CBS neighbourhood code: population and age mix, housing and home values, household income, energy use, distances to 18 amenities, police-registered crime vs national rate, liveability score. Demographics and location intelligence for real estate, relocation, retail site selection and market research agents. Buurt and wijk data from CBS, Politie, Leefbaarometer.

0.01 USDC per call · GET /v1/neighbourhood · free preview at /v1/neighbourhood/preview

Parameters

Name	Required	Description
`postcode`	no	Any Dutch postcode in the neighbourhood, e.g. 3511LX
`code`	no	Alternative: CBS neighbourhood code, e.g. BU03440612

Example request

curl "https://factline.dev/v1/neighbourhood?postcode=2517AS"
# 402 Payment Required: pay with an x402 client (USDC on Base), or send
# Authorization: Bearer <your Factline API key>

Example response

{
  "neighbourhood": {
    "code": "BU05182245",
    "name": "Zeeheldenkwartier",
    "municipality": "'s-Gravenhage"
  },
  "people": {
    "data_year": 2025,
    "residents": 12920,
    "households": 7295
  },
  "housing": {
    "data_year": 2024,
    "avg_home_value_eur": 403000,
    "owner_occupied_pct": 32
  },
  "distance_km": {
    "data_year": 2024,
    "gp_practice": 0.6,
    "supermarket": 0.4,
    "train_station": 2.9
  },
  "liveability": {
    "year": 2024,
    "percentile": 91
  },
  "safety": {
    "year": 2025,
    "per_1000_residents": {
      "total": 62
    },
    "national_per_1000_residents": {
      "total": 44.8
    }
  }
}

Use it from an AI agent

Agents with an x402 wallet call the URL directly and pay per request. Assistants that speak MCP connect to https://factline.dev/mcp. Full reference: docs, OpenAPI, llms.txt. Businesses: API keys with a free trial.

Questions

How much does the Dutch neighbourhood statistics cost?

0.01 USDC per call, paid per request with x402 (no account), or included in a Factline API key plan with a free trial. Calls that fail are not charged.

Can I try it for free?

Yes: GET /v1/neighbourhood/preview with the same parameters validates your input and shows what the paid answer contains, at no cost.

Where does the data come from?

Official public registers and open data, named with their licence in every response (source field) and at /.well-known/x402-license-provenance.