Machine learning-powered property valuations, rental price estimates, and bidding advice for every Dutch residential property.
{
"bag_id": "0363010012143321",
"estimate": {
"value": 645000,
"lower_bound": 605000,
"upper_bound": 690000,
"confidence": 0.87,
"model_version": "v2.4",
"estimated_at": "2026-03-14"
},
"price_per_m2": {
"estimated": 6582,
"neighbourhood_median": 7200,
"city_median": 6850
},
"comparables": {
"count": 12,
"avg_sale_price": 658000,
"avg_distance_m": 480,
"date_range": "2025-09 to 2026-03"
},
"woz": {
"value": 610000,
"reference_date": "2025-01-01"
},
"data_freshness": {
"estimate": "2026-03-14",
"comparables": "2026-03-14",
"woz": "2025-01-01"
}
}{
"bag_id": "0363010012143321",
"history": [
{ "date": "2026-03-01", "estimated_value": 645000 },
{ "date": "2026-01-01", "estimated_value": 632000 },
{ "date": "2025-10-01", "estimated_value": 618000 },
{ "date": "2025-07-01", "estimated_value": 605000 },
{ "date": "2025-04-01", "estimated_value": 590000 }
],
"trend_yoy_pct": 9.3
}Planned API endpoints
All endpoints use the same BAG ID as the Property API. Customers compose both APIs independently.
/v1/valuations/{bag_id}Valuation estimate for a property/v1/valuations/{bag_id}/historyHistorical valuation estimates over time/v1/valuations/batchBatch lookup (up to 100 BAG IDs)/v1/valuations/{bag_id}/comparablesComparable sales used in the estimatePlanned capabilities
Built for lenders, investors, and platforms that need automated property valuations at scale.
Automated market valuations
Machine learning-powered property value estimates based on comparable sales, market trends, and property characteristics.
Rental price predictions
Estimated rental prices based on location, property type, size, and current market conditions.
Bidding advice
Data-driven bidding recommendations based on market velocity, comparable transactions, and listing history.
Comparable sales analysis
Automated selection of comparable properties with transaction prices for valuation support.
Confidence scoring
Valuation confidence intervals and model accuracy metrics for risk assessment.
Roadmap
Shape the product.
We're actively gathering input from lenders and investors. Request a demo to influence the roadmap and get early access.