Property Aggregator API

Real-time Dutch property listings

Every rental and sale listing from 1,200+ sources, deduplicated and normalized with ~1 minute freshness.

Search by location, price, size, type

Webhook notifications for new listings

Source transparency with original URLs

99% deduplication accuracy

Unified Schema

Whether the data comes from a large portal or a small broker site, you get the same clean, normalized JSON response.

  • Normalized price & address fields
  • Deduplicated across sources
  • Original source metadata preserved
{
  "id": "lis_89234892",
  "address": {
    "street": "Prinsengracht",
    "number": "263",
    "city": "Amsterdam"
  },
  "price": 1850,
  "source": {
    "name": "Pararius",
    "original_url": "https://..."
  },
  "features": {
     "bedrooms": 2,
     "size_m2": 85,
     "energy_label": "A"
  },
  "sources": [
    { "name": "funda", "url": "..." },
    { "name": "pararius", "url": "..." }
  ]
}

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