$0.001
per call · USD Coin on Base
Search UK postcodes by free-text address or place query; returns up to 100 matching postcode records.
Endpoint
POST https://postcode-api-production.up.railway.app/lookup/address3
Calls / 30d
1
Unique payers / 30d
Aug 28
Last called
exact
Payment scheme
Call this service
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/address", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"limit": 10,
"query": "Buckingham Palace"
}),
});
const data = await res.json();curl -X POST \
"https://postcode-api-production.up.railway.app/lookup/address" \
-H "Content-Type: application/json" \
-d '{"limit":10,"query":"Buckingham Palace"}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"count": 1,
"query": "Buckingham Palace",
"results": [
{
"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"
}
]
}Payment details
0xffc458db291b4abce020fe3de4f91f2770e537b1USD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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