Postcode & address lookup.

{
  "success": true,
  "results": [
    {
      "address_line_1": "57 Wimpole Street",
      "building_number": "57",
      "country": "England",
      "delivery_point_suffix": "1Y",
      "district": "City of Westminster London Boro",
      "eastings": 528525,
      "latitude": 51.51922791,
      "longitude": -0.14898992,
      "northings": 181658,
      "post_town": "LONDON",
      "postcode": "W1G 8YW",
      "postcode_inward": "8YW",
      "postcode_outward": "W1G",
      "postcode_type": "S",
      "thoroughfare": "Wimpole Street",
      "udprn": 25742215,
      "ward": "Marylebone Ward"
    }
  ],
  "meta": {
    "countResults": 1
  }
}

import { Postio } from "@postio/node";

const postio = new Postio({ apiKey: process.env.POSTIO_API_KEY });

const hits = await postio.address.search("57 Wimpole Street, W1G 8YW");
const address = await postio.address.udprn(hits.results[0].udprn);
console.log(address.results[0]);