Up · Lookup Postcode

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/postcode", {
  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/postcode" \
  -H "Content-Type: application/json" \
  -d '{"postcode":"SW1A 1AA"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "found": true,
  "input": "SW1A 1AA",
  "result": {
    "admin_county": null,
    "admin_district": "Westminster",
    "admin_ward": "St James's",
    "ccg": "NHS North West London",
    "codes": {
      "admin_district": "E09000033",
      "admin_ward": "E05013806"
    },
    "country": "England",
    "date_of_introduction": "198001",
    "european_electoral_region": "London",
    "incode": "1AA",
    "latitude": 51.501009,
    "longitude": -0.141588,
    "lsoa": "Westminster 018C",
    "msoa": "Westminster 018",
    "nuts": "Westminster",
    "outcode": "SW1A",
    "parish": "Westminster, unparished area",
    "parliamentary_constituency": "Cities of London and Westminster",
    "postcode": "SW1A 1AA",
    "primary_care_trust": "Westminster",
    "quality": 1,
    "region": "London"
  }
}