Receive reliable property valuations for any address in Belgium. Our AI model analyses 1,000,000+ reference points, EPC data and market trends to calculate an accurate valuation, with a transparent value range.
From address to reliable valuation in three steps.
Send a Belgian address to the API. The system geocodes it automatically and identifies the correct building via the GRB register.
The model analyses 1,000,000+ reference points, EPC data, cadastral data and current market trends to determine the value.
Receive a reliable valuation with confidence interval, price per m² and property details: all in a single JSON response.
A simple POST request with an address. The API returns a detailed valuation with confidence scores.
POST /api/v1/valuatie Authorization: Bearer sk-your-api-key Content-Type: application/json { "address": "Dikkebusseweg 43, 8900 Ieper", "property_type": "house", "living_area": 170, "construction_year": 1945, "epc_label": "C", "bedrooms": 3, "plot_area": 298 }
{
"address": "Dikkebusseweg 43, 8900 Ieper",
"estimated_sales_value": 377849,
"estimated_rental_value": 884,
"confidence_interval_sales": [332161, 423537],
"price_per_sqm": 2510,
"sales_reference_count": 11,
"rental_reference_count": 4,
"model_version": "v1"
}
The Valuation API is used by valuers, banks and property managers.
Sworn valuers use the Taxon API as the starting point for their valuation. The model provides an objective reference that speeds up the valuation process.
Banks and lenders use the API for fast pre-screening of mortgage applications. Automated valuation speeds up the approval process.
Property managers and investors revalue their entire portfolio in batch. Ideal for periodic reporting and risk management.
Built for professional use.
Provides the data foundation for valuation reports in line with EVS 2025. The official valuation remains with the sworn valuer.
Every valuation includes a minimum-maximum range and a confidence score (low/medium/high).
Thanks to smart caching and optimised models, you receive a valuation in under 200 milliseconds.
Coverage for every Belgian municipality: Flanders, Wallonia and Brussels. All property types.
Alongside the total value, you also receive the price per square metre, ideal for comparative analyses.
Standard REST API with JSON. Easy to integrate into any application, platform or workflow.
Every API call returns a full report with all the information you need: estimated value, confidence interval, price per square metre, building characteristics and the number of reference points used.
Request API access today and integrate automated property valuation into your application.