Up · Lookup Autocomplete

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://postcode-api-production.up.railway.app/lookup/autocomplete", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "limit": 10,
    "partial": "SW1A"
  }),
});
const data = await res.json();

curl -X POST \
  "https://postcode-api-production.up.railway.app/lookup/autocomplete" \
  -H "Content-Type: application/json" \
  -d '{"limit":10,"partial":"SW1A"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "count": 3,
  "partial": "SW1A",
  "suggestions": [
    "SW1A 0AA",
    "SW1A 1AA",
    "SW1A 2AA"
  ]
}