exchange-rate

Get current exchange rate between two currencies using ECB data.

Get current exchange rate between two currencies using ECB data. Supports all major currencies. Returns rate, inverse rate, and date.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.0216 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x66d7c2f9…54ea83bc

URL

https://api.strale.io/x402/exchange-rate

MCP server on this host: io.github.strale-io/strale

Seen

first 35 days ago · last 20 hr ago

78 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.794 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.206: 0.089 uncertain ? + 0.117 short ? · 0.006 to B

How the composite of 0.794 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	0.42	0.267		0.053	−0.117	−0.030
liveness it answered at all	0.60	1.00	0.901		0.540	0	−0.060
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.794	gap to 1.000 = 0.206 · 0.117 short · 0.089 uncertain	0.794	−0.117	−0.089

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

The multiplication, written out

  0.200 × 0.267   latency p95    
+ 0.600 × 0.901   liveness       
+ 0.200 × 1.000   price stability
= 0.794           → UNRATED: 62 of 30 paid calls      weights 2026.09.6 · 62 samples · seed cap_01M1A5AG226Z9BY71QZ1WSWT8P|2026-08-30T08:02:16.778Z|2026.09.6

Verify it yourselfnpx teppi-check https://api.strale.io/x402/exchange-ratecurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AG226Z9BY71QZ1WSWT8P