Payapi · Inflation

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://finance.payapi.market/inflation", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "months": 24
  }),
});
const data = await res.json();

curl -X POST \
  "https://finance.payapi.market/inflation" \
  -H "Content-Type: application/json" \
  -d '{"months":24}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "current_cpi": 3.2,
  "data_points": 24,
  "history": [
    {
      "cpi_annual_pct": 3.2,
      "date": "2024-03-01"
    },
    {
      "cpi_annual_pct": 3.4,
      "date": "2024-02-01"
    }
  ],
  "measure": "CPI Annual Rate (%)",
  "period_months": 24,
  "source": "Bank of England / ONS"
}