Fx History

{
  "base": "EUR",
  "businessDaysOld": 1,
  "ccy": "USD",
  "changePct": -1.1449,
  "count": 3,
  "days": 3,
  "from": "2026-09-30",
  "max": 1.1355,
  "min": 1.1225,
  "note": "Reference rates published by the European Central Bank for information purposes only; not transaction rates. Usually updated around 16:00 CET on TARGET working days.",
  "points": [
    {
      "date": "2026-09-30",
      "rate": 1.1355
    },
    {
      "date": "2026-10-01",
      "rate": 1.1298
    },
    {
      "date": "2026-10-02",
      "rate": 1.1225
    }
  ],
  "source": "ECB euro foreign exchange reference rates",
  "sourceUrl": "https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/index.en.html",
  "stale": false,
  "to": "2026-10-02"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/eu/fx/history?ccy=USD&days=30'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/eu/fx/history?ccy=USD&days=30' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402-bazaar-rank.x402-bazaar-rank-worker.workers.dev%2Feu%2Ffx%2Fhistory
const res = await pay("https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/eu/fx/history?ccy=USD&days=30");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/eu/fx/history?ccy=USD&days=30")
    print(res.status_code, res.text)