Endpoint · market dataGETwallet-services-poc.jesus-fernandez.workers.dev/fx-rate?base=EUR&quote=USD

Daily reference FX rate for a currency pair from Frankfurter and official sources.

Daily reference FX rate for a currency pair from Frankfurter and official sources. Use for indicative conversions, not live trading. Defaults EUR/USD. Returns source date and attribution.

UNRATEDDelisted

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?

0xeb0f642c…532b0f5e

URL

https://wallet-services-poc.jesus-fernandez.workers.dev/fx-rate?base=EUR&quote=USD

Seen

first 17 days ago · last 17 days ago

16 free handshakes

Payment

Pays through

— never asked

Offered on?

— never asked

Listed on?

Base Sepolia

Score, from free handshakes onlyweights 2026.09.4

UN
RATED

0.250 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by liveness · gap to 1.000 is 0.750: 0.000 uncertain ? + 0.750 short ? · 0.200 to D

How the composite of 0.250 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.75	0.00	0.000		0.000	−0.750	0
latency p95 it answered as fast as its class	0.25	1.00	1.000		0.250	0	0
Composite	1.00		0.250	gap to 1.000 = 0.750 · 0.750 short · 0.000 uncertain	0.250	−0.750	−0.000

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check; price stability · nothing to score

The multiplication, written out

  0.750 × 0.000   liveness   
+ 0.250 × 1.000   latency p95
= 0.250           → UNRATED: 15 of 30 paid calls      weights 2026.09.4 · 15 samples · seed cap_01M2PYA26V59YZJPFMN3PRXCCN|2026-08-25T21:07:29.018Z|2026.09.4

Verify it yourselfnpx teppi-check https://wallet-services-poc.jesus-fernandez.workers.dev/fx-rate?base=EUR&quote=USDcurl -s https://api.teppi.xyz/v1/trust/cap_01M2PYA26V59YZJPFMN3PRXCCN