Endpoint · computeGETaeml-x402.zeabur.app /gauge/air ?loc=required+-+location+id%3B+full+list+at+free+%2Fgauge%2Fpreview
Add-on, air quality for one location: US AQI category and PM2.5 reading from EPA and CAMS official feeds.
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Add-on, air quality for one location: US AQI category and PM2.5 reading from EPA and CAMS official feeds. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed. Every record carries an offline-recomputable record_hash.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.005 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://aeml-x402.zeabur.app/gauge/air?loc=required+-+location+id%3B+full+list+at+free+%2Fgauge%2Fpreview
Seen
first 34 days ago · last 19 days ago
46 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC, Solana
Listed on?
Base, Solana
Score, from free handshakes onlyweights 2026.09.3
UN
RATED
RATED
0.796 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.204: 0.084 uncertain ? + 0.120 short ? · 0.004 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.40 | 0.398 | 0.080 | −0.120 | 0 | |
| liveness it answered at all |
0.60 | 1.00 | 0.860 | 0.516 | 0 | −0.084 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.796 | gap to 1.000 = 0.204 · 0.120 short · 0.084 uncertain | 0.796 | −0.120 | −0.084 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.398 latency p95
+ 0.600 × 0.860 liveness
+ 0.200 × 1.000 price stability
= 0.796 → UNRATED: 44 of 30 paid calls weights 2026.09.3 · 44 samples · seed cap_01M1A51RVG6GEPF5A5QQMFJBWD|2026-08-23T14:46:38.831Z|2026.09.3
Verify it yourself
npx teppi-check https://aeml-x402.zeabur.app/gauge/air?loc=required+-+location+id%3B+full+list+at+free+%2Fgauge%2Fpreviewcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51RVG6GEPF5A5QQMFJBWD