fx?pair=USD

ECB euro foreign exchange reference rates (EUR base) for one currency (e.g.

ECB euro foreign exchange reference rates (EUR base) for one currency (e.g. USD): the latest rate and about three months of daily history in date order, as published by the European Central Bank.

UNRATEDListed

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?

0x5976376b…43fb6d93

URL

https://api.maxwellinternational.ai/v1/macro/ecb/fx?pair=USD

MCP server on this host: ai.maxwellinternational/data

Seen

first 6 days ago · last 10 hr ago

10 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC, Solana

Listed on?

Base, Solana

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.532 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 0.468: 0.409 uncertain ? + 0.059 short ? · 0.118 to C

How the composite of 0.532 is made up, part by part
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	0.71	0.706		0.141	−0.059	0
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.532	gap to 1.000 = 0.468 · 0.059 short · 0.409 uncertain	0.532	−0.059	−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 × 0.706   latency p95    
+ 0.200 × 1.000   price stability
= 0.532           → UNRATED: 9 of 30 paid calls      weights 2026.09.6 · 9 samples · seed cap_01M3K8MNSCKYS1D4P714RZH71V|2026-09-03T13:51:07.280Z|2026.09.6

Verify it yourselfnpx teppi-check https://api.maxwellinternational.ai/v1/macro/ecb/fx?pair=USDcurl -s https://api.teppi.xyz/v1/trust/cap_01M3K8MNSCKYS1D4P714RZH71V