postcode-api-production.up.railway.app
Validate a UK postcode and report its normalised form, format validity, and whether it is currently active.
Go to this service →Our latest check (2026-10-14)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 194 ms
- Price
- $0.001 per call
- Paying buyers, last 30 days
- 3 (directory's own records)
- Paid calls, last 30 days
- 3
- Category
- Postcodes and addresses
- Address
- https://postcode-api-production.up.railway.app/lookup/validate
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/61593ae91aa2.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).