Fx Usdkrw

Last 30 days

Uptime

100%

Response time

596 ms typical, 596 ms slowest 5%

Last check

14 min ago

Next check

in 17 min

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://k-data-x402-production.theblack1022.workers.dev/api/fx/usdkrw"

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%2Fk-data-x402-production.theblack1022.workers.dev%2Fapi%2Ffx%2Fusdkrw
const res = await pay("https://k-data-x402-production.theblack1022.workers.dev/api/fx/usdkrw");
console.log(await res.json());

Example input

{}

Example output

{
  "as_of": "2026-08-01",
  "pair": "USD/KRW",
  "rate": 1443.61,
  "related_resources": {
    "catalog": "/api/catalog",
    "free_archive_coverage": "/api/preview/premium-coverage",
    "free_market_preview": "/api/preview/kimchi-premium",
    "integration_guide": "/integrate"
  },
  "source": "frankfurter.dev (ECB)"
}

Security scan

• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

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