UK Postcode API
https://postcode.payapi.market/lookup/address
● healthy
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UK postcode lookup, search, validation and autocomplete with x402 payments.
Category
search
Chains
base, eip155:8453
Price
$0.0010 USDC / call
Quality grade
How grading works
C+
60.0 / 100
Availability
40.0 / 40
Endpoint responded (HTTP 402)
Payability
20.0 / 20
- ✓ Answers a real HTTP 402 challenge
- ✓ Publishes a /.well-known/x402 descriptor
- ✓ Payment address on record
- ✓ Settlement network declared
- ✓ Price declared
Demand
0.0 / 40
Payment address on record, not yet queried on-chain
Owner verified
0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 19 h ago.
Availability and on-chain demand are both re-probed daily; the grade
updates automatically on the next pass.
Paid endpoints
5 resource(s) advertised by this origin.
https://postcode.payapi.market/lookup/address
https://postcode.payapi.market/lookup/autocomplete
https://postcode.payapi.market/lookup/nearest
https://postcode.payapi.market/lookup/postcode
https://postcode.payapi.market/lookup/validate
How to call
cURL · x402-fetch / x402-axios will auto-handle 402
curl -sS -i -X GET https://postcode.payapi.market/lookup/address # expect HTTP 402 Payment Required (about $0.001/call)/.well-known/x402.json
https://postcode.payapi.market/.well-known/x402
Listed in
Directories this entry was found in.
x402scan