Endpoint · market dataGETapi.cra-agent.tech /v1/paid/fx/execution
A pair on Arc as executed against USDC: volume-weighted rate, range, the rate by trade size, and where the volume traded.
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A pair on Arc as executed against USDC: volume-weighted rate, range, the rate by trade size, and where the volume traded. ?symbol=EURC (default), cirBTC, WETH or CRA.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.001 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.cra-agent.tech/v1/paid/fx/execution
Seen
first 6 days ago · last 17 hr ago
10 free handshakes
Payment
Pays through
x402
Offered on?
Arc, Base USDC, Solana
Listed on?
Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.439 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 0.561: 0.409 uncertain ? + 0.152 short ? · 0.011 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.318 | 0.191 | 0 | −0.409 | |
| latency p95 it answered as fast as its class |
0.20 | 0.24 | 0.242 | 0.048 | −0.152 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.439 | gap to 1.000 = 0.561 · 0.152 short · 0.409 uncertain | 0.439 | −0.152 | −0.409 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.318 liveness
+ 0.200 × 0.242 latency p95
+ 0.200 × 1.000 price stability
= 0.439 → UNRATED: 9 of 30 paid calls weights 2026.09.6 · 9 samples · seed cap_01M3K8P3WT2J61MBNCHJ5SDFYB|2026-09-03T13:51:07.280Z|2026.09.6
Verify it yourself
npx teppi-check https://api.cra-agent.tech/v1/paid/fx/executioncurl -s https://api.teppi.xyz/v1/trust/cap_01M3K8P3WT2J61MBNCHJ5SDFYB