F

Fiat Exchange Rates · Aman FX Rates

by Fiat Exchange Rates

POSTBase

$0.0012

per call · USD Coin on Base

Live fiat FX rates API — exchange rates and conversion across 30+ currencies (USD, EUR, GBP, MAD and more). Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {"serviceId":"aman-fx-rates","request":"<input>"}.

Endpoint

POST https://amanchain-relay.gitajhd.workers.dev/api/x402/aman-fx-rates

10

Calls / 30d

2

Unique payers / 30d

Sep 9

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://amanchain-relay.gitajhd.workers.dev/api/x402/aman-fx-rates", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "request": "100 USD to EUR",
    "serviceId": "aman-fx-rates"
  }),
});
const data = await res.json();
cURL
curl -X POST \
  "https://amanchain-relay.gitajhd.workers.dev/api/x402/aman-fx-rates" \
  -H "Content-Type: application/json" \
  -d '{"request":"100 USD to EUR","serviceId":"aman-fx-rates"}' \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "amount": 100,
  "base": "USD",
  "converted": 91,
  "ok": true,
  "rate": 0.91,
  "target": "EUR"
}

Payment details

Pay to0xfb5625d44be488414606773244f0de35410b2f39
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase
Schemesexact

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