Endpoint · evidenceGETx402.ottoai.services/fx-rates

Live + reference foreign-exchange (forex) rates, base USD.

Live + reference foreign-exchange (forex) rates, base USD. LIVE near-real-time mid quotes for the 12 most-traded currencies (EUR, GBP, JPY, CHF, CAD, AUD, NZD, CNY, HKD, SGD, SEK, KRW), refreshed every minute with an honest market-open/stale flag, PLUS the official ECB daily reference table for ~30 currencies. Derive any cross-rate or pair. For agents pricing cross-border ops, treasury, invoicing and FX conversion. Keyless, pay-per-call.

UNRATEDListed

Overview

Grade?

UNRATED

13 of 30 paid calls toward a letter

Price

$0.001 per call

Paid calls

13 delivered

More info

Seller?

0x0e84dded…31b6b808

URL

https://x402.ottoai.services/fx-rates

Seen

first 35 days ago · last 19 hr ago

79 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC, Solana

Listed on?

Base, Solana

Scoreweights 2026.09.6

UN
RATED

0.622 delivery verified, no letter

To a letter · 30 paid calls

13 of 30

Held back by sample size, not by the seller · gap to 1.000 is 0.378: 0.378 uncertain ? + 0.000 short ? · 0.028 to C

How the composite of 0.622 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
honestycosts the most it charged what it advertised	0.50	1.00	0.527		0.264	0	−0.236
liveness it answered at all	0.30	1.00	0.527		0.158	0	−0.142
latency p95 it answered as fast as its class	0.10	1.00	1.000		0.100	0	0
price stability the price stayed where it was listed	0.10	1.00	1.000		0.100	0	0
Composite	1.00		0.622	gap to 1.000 = 0.378 · 0.000 short · 0.378 uncertain	0.622	−0.000	−0.378

Not measured: correctness · no paid call was checked against a task; schema conformance · no output schema published

The multiplication, written out

  0.500 × 0.527   honesty        
+ 0.300 × 0.527   liveness       
+ 0.100 × 1.000   latency p95    
+ 0.100 × 1.000   price stability
= 0.622           → UNRATED: 13 of 30 paid calls      weights 2026.09.6 · 13 samples · seed cap_01M1A51MVJQ36ERZHFW87NDPNG|2026-06-30T12:13:50.955Z|2026.09.6

Verify it yourselfnpx teppi-check https://x402.ottoai.services/fx-ratescurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51MVJQ36ERZHFW87NDPNG