Endpoint · market dataGETapi.aventtech.com/fx?symbols=USD%2CGBP

Daily EUR foreign-exchange reference rates (source: European Central Bank).

Daily EUR foreign-exchange reference rates (source: European Central Bank). Returns the latest ECB reference rate for any supported currency vs EUR, plus cross-rate conversion between two non-EUR currencies.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.01 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x5100a134…94d62282

URL

https://api.aventtech.com/fx?symbols=USD%2CGBP

Seen

first 7 days ago · last 18 hr ago

12 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.558 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 0.442: 0.335 uncertain ? + 0.107 short ? · 0.092 to C

How the composite of 0.558 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	0.442		0.265	0	−0.335
latency p95 it answered as fast as its class	0.20	0.46	0.464		0.093	−0.107	0
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.558	gap to 1.000 = 0.442 · 0.107 short · 0.335 uncertain	0.558	−0.107	−0.335

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.600 × 0.442   liveness       
+ 0.200 × 0.464   latency p95    
+ 0.200 × 1.000   price stability
= 0.558           → UNRATED: 11 of 30 paid calls      weights 2026.09.6 · 11 samples · seed cap_01M3GP9D2DE018WNAHRHF178VW|2026-09-03T19:06:19.953Z|2026.09.6

Verify it yourselfnpx teppi-check https://api.aventtech.com/fx?symbols=USD%2CGBPcurl -s https://api.teppi.xyz/v1/trust/cap_01M3GP9D2DE018WNAHRHF178VW