Endpoint · lookupGETai-data-marketplace-1042299154756.us-central1.run.app /api/v1/air_quality ?city=Beijing
Fetch current US AQI, European AQI, particulate, carbon monoxide, nitrogen dioxide, and ozone values for a geocoded location.
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.02 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/air_quality?city=Beijing
Seen
first 34 days ago · last 21 days ago
40 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.3
UN
RATED
RATED
0.774 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 0.226: 0.118 uncertain ? + 0.108 short ? · 0.026 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.46 | 0.333 | 0.067 | −0.108 | −0.026 | |
| liveness it answered at all |
0.60 | 1.00 | 0.846 | 0.508 | 0 | −0.092 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.774 | gap to 1.000 = 0.226 · 0.108 short · 0.118 uncertain | 0.774 | −0.108 | −0.118 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.333 latency p95
+ 0.600 × 0.846 liveness
+ 0.200 × 1.000 price stability
= 0.774 → UNRATED: 40 of 30 paid calls weights 2026.09.3 · 40 samples · seed cap_01M1A59X7BNBEF4P26SWXZRX9M|2026-08-21T06:48:09.268Z|2026.09.3
Verify it yourself
npx teppi-check https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/air_quality?city=Beijingcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59X7BNBEF4P26SWXZRX9M