Endpoint · otherGETpolyform.polyform-org.workers.dev /v1/vehicle/fuel-economy ?make=manufacturer&model=model+name&year=model+year
EPA MPG figures and estimated annual fuel cost for a year/make/model.
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EPA MPG figures and estimated annual fuel cost for a year/make/model. Source: fueleconomy.gov. JSON.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.003 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://polyform.polyform-org.workers.dev/v1/vehicle/fuel-economy?make=manufacturer&model=model+name&year=model+year
Seen
first 35 days ago · last 10 days ago
64 free handshakes
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Pays through
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Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.749 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.251: 0.212 uncertain ? + 0.039 short ? · 0.051 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.80 | 0.072 | 0.014 | −0.039 | −0.146 | |
| liveness it answered at all |
0.60 | 1.00 | 0.890 | 0.534 | 0 | −0.066 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.749 | gap to 1.000 = 0.251 · 0.039 short · 0.212 uncertain | 0.749 | −0.039 | −0.212 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.072 latency p95
+ 0.600 × 0.890 liveness
+ 0.200 × 1.000 price stability
= 0.749 → UNRATED: 56 of 30 paid calls weights 2026.09.6 · 56 samples · seed cap_01M1A59QSZ0CV7J47R83WKJXB3|2026-09-03T18:34:37.187Z|2026.09.6
Verify it yourself
npx teppi-check https://polyform.polyform-org.workers.dev/v1/vehicle/fuel-economy?make=manufacturer&model=model+name&year=model+yearcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59QSZ0CV7J47R83WKJXB3