Brazil Macro API · Ptax

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://api-macro-br-production.up.railway.app/v1/ptax", {
  method: "GET",
});
const data = await res.json();

curl -X GET \
  "https://api-macro-br-production.up.railway.app/v1/ptax" \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "indicator": "usd_brl_ptax",
  "quoted_at": "2026-08-31T16:08:57Z",
  "reference_date": "2026-08-31",
  "retrieved_at": "2026-09-01T12:00:00Z",
  "source": "BCB/Olinda PTAX CotacaoDolarPeriodo",
  "unit": "BRL per USD",
  "values": {
    "buy": 5.181,
    "sell": 5.1816
  }
}