exchange-rates?currency=Euro

Official US Treasury reporting rates of exchange — government FX reference rates for ~170 currencies, in units of foreign currency per 1 USD, for the latest quarter.

Official US Treasury reporting rates of exchange — government FX reference rates for ~170 currencies, in units of foreign currency per 1 USD, for the latest quarter. Use for accounting-grade and exotic-currency conversion the market /api/v1/forex feed lacks. Filter with `?currency=Euro`. Updated quarterly. From the US Treasury (FiscalData). From x402stock

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.02 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x3070fbb3…a877fa85

URL

https://x402stock.xyz/api/v1/exchange-rates?currency=Euro

Seen

first 34 days ago · last 12 hr ago

63 free handshakes

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x402

Offered on?

Base USDC

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Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.735 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.265: 0.093 uncertain ? + 0.172 short ? · 0.065 to B

How the composite of 0.735 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.14	0.000		0.000	−0.172	−0.028
liveness it answered at all	0.60	1.00	0.892		0.535	0	−0.065
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.735	gap to 1.000 = 0.265 · 0.172 short · 0.093 uncertain	0.735	−0.172	−0.093

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 × 0.892   liveness       
+ 0.200 × 1.000   price stability
= 0.735           → UNRATED: 57 of 30 paid calls      weights 2026.09.6 · 57 samples · seed cap_01M1A5AHHCAW7G54H5C1AJTT04|2026-09-03T10:42:21.759Z|2026.09.6

Verify it yourselfnpx teppi-check https://x402stock.xyz/api/v1/exchange-rates?currency=Eurocurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AHHCAW7G54H5C1AJTT04