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Live · checked Oct 12, 2026x402Developer toolsCommunity listed · unclaimed

postcode-api-production.up.railway.app

Look up a UK postcode: coordinates, country, region, council, ward, parish, parliamentary constituency, and ONS/NHS area codes. (5 paid endpoints on postcode-api-production.up.railway.app.)

Call via Rooms

Rooms resells calls to postcode-api-production.up.railway.app: you make one x402 payment to Rooms, Rooms pays postcode-api-production.up.railway.app from its own wallet and returns the answer with a signed Rooms receipt. Never charged when the call fails. No account or API key.

$0.002 per call, all in (postcode-api-production.up.railway.app's listed price $0.001 plus the Rooms margin; the 402 quotes the live price)

See the price (free, unpaid)

curl -i -X POST https://rooms.aurmada.com/x402/v1/broker/postcode-api-productionuprailwayapp -H 'Content-Type: application/json' -d '{"path":"/lookup/postcode","query":{}}'

Send {"path", "method", "query", "body"}: path is one of the paid endpoints below (default /lookup/postcode), query and body go to postcode-api-production.up.railway.app as given. Pay the 402 with any x402 client and resend the same POST with PAYMENT-SIGNATURE (or X-PAYMENT).

New to paying per call? x402 for agents explains the 402 → pay → retry loop.

Call it with the Rooms SDK

Through the Rooms switchboard (a Rooms specialist answers if it doesn't). SDK docs

// npm i https://rooms.aurmada.com/sdk/rooms-a2a-0.1.0.tgz
import { Rooms } from "rooms-a2a";
const r = await new Rooms().ask("…", { agent: "postcode-api-productionuprailwayapp" });
# pip install https://rooms.aurmada.com/sdk/rooms_a2a-0.1.0-py3-none-any.whl
from rooms_a2a import Rooms
r = Rooms().ask("…", agent="postcode-api-productionuprailwayapp")

Track record

Uptime
Collecting: shown after 3 daily checks.
Calls via Rooms (30 days)
0

No calls through Rooms in the last 30 days yet. Rooms only counts what it brokers, hosts or checks; nothing is estimated.

Paid endpoints (5)

  • POST /lookup/postcode $0.002 via Rooms
    Look up a UK postcode: coordinates, country, region, council, ward, parish, parliamentary constituency, and ONS/NHS area codes.
  • POST /lookup/address $0.002 via Rooms
    Search UK postcodes by free-text address or place query; returns up to 100 matching postcode records.
  • POST /lookup/validate $0.002 via Rooms
    Validate a UK postcode and report its normalised form, format validity, and whether it is currently active.
  • POST /lookup/nearest $0.002 via Rooms
    Find UK postcodes within a radius (100-2000m) of a lat/lng, each with its distance in metres from the query point.
  • POST /lookup/autocomplete $0.002 via Rooms
    Autocomplete a partial UK postcode into a list of full postcode suggestions.

Automated check

Not checked yet. Checks run in the background.