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Aggregator APINow Live

Dutch Property Data,
Developer-First.

Four APIs covering every Dutch property. Real-time listings from 1,400+ sources, complete property profiles, area intelligence, and automated valuations.

// GET /v1/listings?city=Amsterdam&type=sale&min_price=400000{  "data": [    {      "id": "vos_lst_A8f3kP2x",      "type": "sale",      "status": "active",      "address": {        "street": "Prinsengracht",        "house_number": "412",        "postcode": "1016JB",        "city": "Amsterdam"      },      "price": 875000,      "price_per_m2": 8929,      "surface_area": 98,      "bedrooms": 2,      "energy_label": "C",      "source": { "name": "Funda" },      "listed_at": "2026-03-14T08:23:11Z"    }  ],  "pagination": { "total": 247, "has_more": true }}
Live API1,400+ sources~60s freshness
Platform

Live

Aggregator API

Real-time Dutch property listings from 1,400+ sources

Every rental and sale listing from 1,400+ sources, deduplicated and normalized with ~1 minute freshness. Live now.

  • Search by location, price, size, type
  • Webhook notifications for new listings
  • Source transparency with original URLs
  • 99% deduplication accuracy
View Details

Coming next

Coming Soon

Property API

The Golden Address Record

View Details
Coming Soon

Area Insight API

Hyperlocal market intelligence

View Details
Roadmap

Valuation API

Automated property valuations

View Details
Capabilities

Everything you need to build property-powered applications.

01

Real-time Listings

Sub-minute freshness across 1,400+ Dutch property sources, fully deduplicated.

02

Address Intelligence

BAG-anchored identities with WOZ valuations, CBS statistics, and risk scores.

03

REST + Webhooks

Clean REST API with webhook support for instant notifications on new listings.

04

Source Transparency

Every listing includes source URL and provider metadata for full audit trails.

05

Normalized Schema

Consistent data structure across all sources, one integration, everything covered.

06

Geospatial Queries

Query by polygon, radius, postcode or municipality with full spatial indexing.

Use Cases

01

PropTech Startups

Launch faster. Skip months of data engineering and focus on your product.

03

Property Investors

Screen thousands of listings simultaneously, identify undervalued assets first.

05

Portfolio Managers

Monitor entire portfolios with property data enrichment, WOZ alerts, and sustainability flags.

02

Mortgage Lenders

Automate property data enrichment and risk assessments with comprehensive property profiles.

04

Real Estate Agents

Generate instant CMA reports with cross-source listing and transaction data.

06

Rental Platforms

Power instant-notification apps so tenants see new rentals within seconds.

Infrastructure

We don't scrape consumer portals and call it a day. Every data point traces back to the authoritative source.

99.9%

API uptime SLA

<200ms

median response time

1,400+

listing sources

Authoritative Sources

BAG (National Address Registry)
Kadaster (Land Registry)
WOZ-Waardeloket
EP-Online (RVO)
CBS Statistics Netherlands
Klimaateffectatlas
Pricing

Scale as you grow. No hidden fees, no surprise bills.

Starter

€149/mo

For indie devs and small projects.

  • 50,000 API calls/mo
  • Aggregator API
  • Nationwide coverage
  • Email support (48h)
  • 5 webhooks

Growth

Most Popular
€499/mo

The sweet spot for scaling apps.

  • 500,000 API calls/mo
  • All live APIs included
  • Webhooks & streaming
  • Priority support (24h) + SLA
  • Shared Slack channel
  • 6 months historical data

Business

€1,499/mo

For teams with serious data needs.

  • 5,000,000 API calls/mo
  • All APIs incl. early access
  • 99.9% uptime SLA
  • Dedicated account manager
  • 24 months historical data
  • Bulk export & batch endpoints

Enterprise

Custom pricing

Institutional volume and compliance needs.

Custom volume (multi-million/mo)Custom SLA & DPAOn-premise data deliveryWhite-label optionsSFDR / CSRD compliance reporting
Get started

Book a 30 minute demo and see the APIs in action on your specific use case.

Contact Us

No commitment required.