Toolsmith · FX Rates

by Toolsmith

GETBase

$0.002

per call · USD Coin on Base

Foreign exchange reference rates from the European Central Bank. Base currency plus optional symbols filter. Updated daily on ECB schedule. JSON response. $0.002 USDC per call, pay via x402, no API key.

Endpoint

GET https://toolsmith-api.dassad10.workers.dev/t/fx/rates

4

Calls / 30d

3

Unique payers / 30d

Aug 30

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://toolsmith-api.dassad10.workers.dev/t/fx/rates", {
  method: "GET",
});
const data = await res.json();
cURL
curl -X GET \
  "https://toolsmith-api.dassad10.workers.dev/t/fx/rates?base=USD&symbols=EUR%2CGBP%2CJPY" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "base": "USD",
  "date": "2026-07-14",
  "rates": {
    "EUR": 0.91,
    "GBP": 0.78
  }
}

Payment details

Pay to0x84fa7ea8303d4f503267e2e998a3f7d980e814a5
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase
Schemesexact

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