USD?base=USD

All foreign exchange rates for one base currency in a single call — every ECB-published pair as JSON.

All foreign exchange rates for one base currency in a single call — every ECB-published pair as JSON. Use for: full FX rate table, multi-currency conversion, currency dashboard. $0.001 USDC per call.

UNRATEDListed

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?

0xe82ebef5…314f59e3

URL

https://api.tickersfeed.net/fx/rates/USD?base=USD

Seen

first 34 days ago · last 2 days ago

63 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.830 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.170: 0.072 uncertain ? + 0.098 short ? · 0.070 to A

How the composite of 0.830 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	0.51	0.477		0.095	−0.098	−0.006
liveness it answered at all	0.60	1.00	0.890		0.534	0	−0.066
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.830	gap to 1.000 = 0.170 · 0.098 short · 0.072 uncertain	0.830	−0.098	−0.072

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

The multiplication, written out

  0.200 × 0.477   latency p95    
+ 0.600 × 0.890   liveness       
+ 0.200 × 1.000   price stability
= 0.830           → UNRATED: 56 of 30 paid calls      weights 2026.09.6 · 56 samples · seed cap_01M1A5Q63WP5P2JTX4VCAPFTJW|2026-09-03T11:45:07.927Z|2026.09.6

Verify it yourselfnpx teppi-check https://api.tickersfeed.net/fx/rates/USD?base=USDcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5Q63WP5P2JTX4VCAPFTJW