estimation-immo?adresse=10+rue+de+Rivoli+Paris&surface=50&type=appartement

Estimate the market value of a French property from its address and surface area, using actual recorded sale prices from the DVF open dataset rather than asking-price listings.

Estimate the market value of a French property from its address and surface area, using actual recorded sale prices from the DVF open dataset rather than asking-price listings. Returns an estimated value, the local median price per square metre and the sample size behind it, so an agent can judge how reliable the figure is.

UNRATEDListedPath not found

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.01 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x2c871c2b…cd27735f

URL

https://api.x-402.online/v1/fr/estimation-immo?adresse=10+rue+de+Rivoli+Paris&surface=50&type=appartement

MCP server on this host: online.x-402/mcp

Seen

first 16 days ago · last 8 days ago

21 free handshakes

Payment

Pays through

x402 · MPP tempo

Offered on?

Base USDC, Solana

Listed on?

Base, Solana

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.547 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by liveness · gap to 1.000 is 0.453: 0.190 uncertain ? + 0.263 short ? · 0.103 to C

How the composite of 0.547 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.64	0.342		0.205	−0.214	−0.180
latency p95 it answered as fast as its class	0.20	0.77	0.773		0.155	−0.045	0
price stability the price stayed where it was listed	0.20	0.98	0.936		0.187	−0.003	−0.010
Composite	1.00		0.547	gap to 1.000 = 0.453 · 0.263 short · 0.190 uncertain	0.547	−0.263	−0.190

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.600 × 0.342   liveness       
+ 0.200 × 0.773   latency p95    
+ 0.200 × 0.936   price stability
= 0.547           → UNRATED: 21 of 30 paid calls      weights 2026.09.6 · 21 samples · seed cap_01M2SGPFNXXN1N5FD8AVPMH376|2026-09-02T10:35:23.117Z|2026.09.6

Verify it yourself

npx teppi-check https://api.x-402.online/v1/fr/estimation-immo?adresse=10+rue+de+Rivoli+Paris&surface=50&type=appartement

curl -s https://api.teppi.xyz/v1/trust/cap_01M2SGPFNXXN1N5FD8AVPMH376