One API for property intelligence. Zero cold start. Production-ready ML models, 52 quality-graded datasets, and self-healing infrastructure built for scale.
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// Get fair rent score for a listing
const response = await fetch('https://api.propertyos.eu/v1/fairrent/score', {
method: 'POST',
headers: {
'Authorization': 'Bearer YOUR_API_KEY',
'Content-Type': 'application/json'
},
body: JSON.stringify({
country: 'DE',
rent_value: 1200,
size_sqm: 75,
location: 'Berlin',
bedrooms: 2
})
});
const { score, grade, confidence, market_context } = await response.json();
// score: 7.8/10, grade: 'Fair Price', confidence: 94%Ship EU-wide property features in a sprint, not a quarter
Launch in Germany today, France tomorrow. No data collection pipeline needed. 280K+ training data points, 52 official datasets, instant predictions from day one.
Every dataset comes with A-F quality grades, confidence intervals, and missing data transparency. No surprises in production—you know exactly what you're working with.
99.9% uptime guarantee, 23ms p95 latency, enterprise-grade security. Self-healing models with bi-weekly retraining and automated drift detection.
Models retrain automatically every 2 weeks with fresh economic data. Drift detection prevents accuracy degradation. Zero maintenance burden on your team.
Clean, well-documented REST API. TypeScript SDK available. Comprehensive error handling, versioning, and backwards compatibility guarantees.
Live R² scores per country, published model performance metrics, complete dataset provenance. No black boxes—see exactly how accurate our predictions are.
Real-world examples of how developers use PropertyOS
Add FairRent badges to listings
Show renters if a listing is a Fair Price, Great Deal, or Overpriced:
if (score >= 8.5) {
badge = "Great Deal ✅";
} else if (score >= 6.5) {
badge = "Fair Price";
} else {
badge = "Overpriced ⚠️";
}Market intelligence dashboards
Fetch time series data for any EU country:
const data = await fetch(
'/v1/analytics/timeseries/rental_price_index?country=DE&from=2020-01-01'
);
// Returns 52+ datasets with quality gradesAutomated risk assessment
Programmatic property valuations:
const valuation = await fetch(
'/v1/fairrent/score', { /* params */ }
);
if (valuation.confidence < 80) {
flagForManualReview();
}Published transparently from our live systems
Get started with our free tier or schedule a technical walkthrough with our team.
Free tier: 1K requests/month • No credit card • Upgrade anytime