Endpoint · computeGETx402-seller.onrender.com /currency/rate ?from=USD&to=JPY
Currency exchange rate for converting between any two currencies (forex/FX rate), drawn from a set of 30+ major currencies, sourced from the European Central Bank's official daily…
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Currency exchange rate for converting between any two currencies (forex/FX rate), drawn from a set of 30+ major currencies, sourced from the European Central Bank's official daily reference rates. Updates once per business day (~16:00 CET) — not a live or intraday feed.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.008 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://x402-seller.onrender.com/currency/rate?from=USD&to=JPY
Seen
first 35 days ago · last 6 days ago
64 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.736 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 0.264: 0.158 uncertain ? + 0.106 short ? · 0.064 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.47 | 0.000 | 0.000 | −0.106 | −0.094 | |
| liveness it answered at all |
0.60 | 1.00 | 0.894 | 0.536 | 0 | −0.064 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.736 | gap to 1.000 = 0.264 · 0.106 short · 0.158 uncertain | 0.736 | −0.106 | −0.158 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.894 liveness
+ 0.200 × 1.000 price stability
= 0.736 → UNRATED: 58 of 30 paid calls weights 2026.09.6 · 58 samples · seed cap_01M1A51PSA3X4FESFGJ9SPATCN|2026-09-02T03:23:49.677Z|2026.09.6
Verify it yourself
npx teppi-check https://x402-seller.onrender.com/currency/rate?from=USD&to=JPYcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51PSA3X4FESFGJ9SPATCN