Up · Lookup Validate

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/validate", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "postcode": "SW1A 1AA"
  }),
});
const data = await res.json();

curl -X POST \
  "https://postcode-api-production.up.railway.app/lookup/validate" \
  -H "Content-Type: application/json" \
  -d '{"postcode":"SW1A 1AA"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "active": true,
  "input": "SW1A 1AA",
  "normalized": "SW1A1AA",
  "type": "active",
  "valid_format": true
}