← All endpoints
postcode-api-production.up.railway.app lookup nearest
https://postcode-api-production.up.railway.app/lookup/nearest
payable
Find UK postcodes within a radius (100-2000m) of a lat/lng, each with its distance in metres from the query point.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.001
- Network
- base
- Pay to
- 0xFFc458dB291b4ABcE020fE3de4f91F2770E537b1
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 302 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:17:47.237Z (1d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fpostcode-api-production.up.railway.app%2Flookup%2Fnearest"