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Factline Dutch House Prices
x402
Factline Dutch House Prices is a paid API for AI agents from factline.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-11).
Returns average WOZ home values and actual sale prices for a Dutch neighbourhood or municipality, given a postcode or CBS neighbourhood code.
Price / call$0.003
Success—
StatusUnknown
How this service works
API and MCP servers that let AI agents and apps check people, companies, Dutch addresses and cars against official records: sanctions and PEP lists, 10 company registers, Dutch property, rent and RDW vehicle data. From $0.001 per call.
Output
A JSON object containing: the data source (CBS/Kadaster), the matched neighbourhood code and name with its municipality, the neighbourhood's average WOZ home value in EUR, and the municipality's average sale price in EUR for the latest year alongside the national average sale price and the 5-year price change percentage.
Example use cases
First-time buyer neighbourhood research
“I'm thinking of buying a flat near postcode 1054PP in Amsterdam — what's the average WOZ home value there and how have sale prices in that municipality changed over the last 5 years compared to the rest of the Netherlands?”
Property investment due diligence
“Can you pull the current average sale price and WOZ value for the CBS neighbourhood BU03440612 in Utrecht so I can decide whether it's undervalued relative to the national market?”
Relocation cost comparison
“We're considering moving to Rotterdam — what are homes actually selling for in the neighbourhood around postcode 3011AB, and is that above or below the Dutch national average right now?”
Technical details
Endpoint
GEThttps://factline.dev/v1/house-prices?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need authoritative Dutch housing price data sourced directly from CBS and Kadaster — specifically WOZ valuations at neighbourhood level and actual transaction sale prices at municipality level. Prefer this over general property portals when you need structured, machine-readable data with year-on-year and 5-year trend figures for agent workflows, investment analysis, or real estate enrichment pipelines.
Side effects
- Invalid or unrecognised postcode returns an error or empty result
- CBS neighbourhood code not found in dataset
- Missing required query parameter (neither postcode nor code supplied)
- Data not yet available for very recently created neighbourhoods
- Rate limiting or payment failure via x402 micropayment
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"source": "CBS (WOZ values; sale prices 83625NED)",
"neighbourhood": {
"code": "BU05182245",
"name": "Zeeheldenkwartier",
"municipality": "'s-Gravenhage"
},
"municipality_sale_prices": {
"year": 2025,
"change_5y_pct": 30.8,
"municipality_code": "GM0518",
"avg_sale_price_eur": 465418,
"national_avg_sale_price_eur": 479527
},
"neighbourhood_avg_home_value_eur": 403000
}
}Tags
x402
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