Data Ecb Fx Reference

Last 30 days

Uptime

100%

Response time

227 ms typical, 416 ms slowest 5%

Last check

50 min ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://apiacre.com/v1/data/ecb-fx-reference" \
  -H "content-type: application/json" \
  -d '{"amount":"100","base_currency":"GBP","on_or_before":null,"quote_currency":"USD"}'

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapiacre.com%2Fv1%2Fdata%2Fecb-fx-reference
const res = await pay("https://apiacre.com/v1/data/ecb-fx-reference", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"amount":"100","base_currency":"GBP","on_or_before":null,"quote_currency":"USD"}),
});
console.log(await res.json());

Example input

{
  "amount": "100",
  "base_currency": "GBP",
  "on_or_before": null,
  "quote_currency": "USD"
}

Example output

{
  "data": {
    "amount": "100",
    "baseCurrency": "GBP",
    "basis": {
      "basePerEur": "0.85585",
      "denomination": "EUR",
      "formula": "quotePerEur / basePerEur",
      "quotePerEur": "1.1576"
    },
    "convertedAmount": "135.2573465",
    "disclaimer": "Reference data only, not financial advice or a guarantee ...",
    "inverseRate": "0.739331375259",
    "limitations": [
      "ECB reference rates are usually published on TARGET busin...",
      "A converted amount is arithmetic evidence only; banks, ex...",
      "ECB observations can be revised, interrupted, or withdraw...",
      "Coverage is limited to the explicitly supported active EC..."
    ],
    "networkRequestsMade": 1,
    "quoteCurrency": "USD",
    "rate": "1.352573464976",
    "referenceDate": "2026-08-18",
    "referenceLagDays": 1,
    "requestedOnOrBefore": null,
    "retrievedAt": "2026-08-19T04:00:00+00:00",
    "source": {
      "dataset": "EXR daily euro foreign exchange reference rates",
      "provider": "European Central Bank",
      "requestUrl": "https://data-api.ecb.europa.eu/service/data/EXR/D.GBP+USD...",
      "seriesKeys": [
        "EXR.D.GBP.EUR.SP00.A",
        "EXR.D.USD.EUR.SP00.A"
      ]
    },
    "warnings": [
      "The latest common reference observation is 1 calendar day...",
      "API Acre derived this cross rate by dividing two unmodifi..."
    ]
  },
  "meta": {
    "cached": false,
    "duration_ms": 42,
    "next_actions": [],
    "sources": [],
    "warnings": []
  },
  "request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a",
  "service": "data.ecb-fx-reference",
  "version": "1"
}

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