Total Transparency
Every figure is linked to its sources, date, and calculation method. Public documentation and regular audits to ensure trust.
We measure and publish the real average price of goods and services — every country, every sector, every day. Traceable sources. Open methods. Public API.
Key products tracked at launch (phase 1)
Update cycle on critical datasets
Cross-source consistency validated
A global, neutral and transparent infrastructure to reveal real prices with traceability and open methods
Every figure is linked to its sources, date, and calculation method. Public documentation and regular audits to ensure trust.
No narrative, no hidden agenda — data first. Weighted averages based on source reliability and freshness.
Open formats (CSV/JSON), documented API, reproducible methods. Information must be accessible to all.
GET https://api.truecostdata.com/v1/avg-price?product=iphone-15&country=FR
→ 200 OK
{
"product": "iPhone 15",
"country": "FR",
"currency": "EUR",
"average_price": 1139.00,
"sources": 27,
"confidence": "high",
"last_updated": "2025-10-31T08:11:00Z"
}