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API Reference - Ideal Postcodes

API Reference - Ideal Postcodes — keyless JSON API

🗺 Geo & MapsUNMONITORED
AUTH NONECORS ✓AGENT ?HTTPS ✓COMMERCIAL ?

API Reference - Ideal Postcodes. Getting Started Overview Access All API methods are either a GET, POST or OPTIONS request. The API communicates over both HTTPS and plain HTTP using IPv4 and IPv6. We recommend using HTTPS only although HTTP is available. We use appropriate HTTP status codes where possible to in

—HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: — · unmonitored
ON PROBE SCHEDULE

We probe a documented GET and expect 2xx JSON — full uptime and health score. Open provider docs ↗

Uptime historystarts after first probe

On our probe schedule. Uptime charts appear after the first check lands.

Example responsefrom provider docs — not verified by us
GET https://api.ideal-postcodes.co.uk/

{
  "message": "Success",
  "code": 2000,
  "result": {
    "message": "Thanks for trying ideal-postcodes.co.uk. To find out how to use this API please visit https://docs.ideal-postcodes.co.uk",
    "links": {
      "website": "https://ideal-postcodes.co.uk",
      "documentation": "https://docs.ideal-postcodes.co.uk",
      "status_page": "https://status.ideal-postcodes.co.uk",
      "openapi": "https://openapi.ideal-postcodes.co.uk",
      "developer_chat": "https://chat.ideal-postcodes.co.uk",
      "github": "https://github.com/ideal-postcodes"
    }
  }
}
Call itcurl · fetch · python
curl "https://api.ideal-postcodes.co.uk/"
const res = await fetch("https://api.ideal-postcodes.co.uk/");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://api.ideal-postcodes.co.uk/")
print(res.json())
Endpoints · 6On scheduleFULL DOCS ↗
On schedule — GET / awaits first probe
GET/PROBED

API Reference - Ideal Postcodes — keyless JSON API

GET/?limit=5

Paginated variant with limit parameter.

GET/postcodes/{postcode}

Lookup Postcode

GET/udprn/{udprn}

Retrieve by UDPRN

GET/umprn/{umprn}

Retrieve by UMPRN

GET/keys/{key}

Availability

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Not tracked yet. Shape-change history starts once this API joins our probe schedule.

API Reference - Ideal Postcodes: common questions

Is API Reference - Ideal Postcodes free to use?

Yes — API Reference - Ideal Postcodes is a free geo & maps API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.

Does API Reference - Ideal Postcodes need an API key?

No — API Reference - Ideal Postcodes needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished).

Can I call API Reference - Ideal Postcodes from the browser?

Yes — API Reference - Ideal Postcodes returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.

Is API Reference - Ideal Postcodes up right now?

API Reference - Ideal Postcodes is catalogued but not yet on our probe schedule, so we don't publish a live status for it. Check the provider's own status page or docs for its current state.