the402 endpoint detail

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x402.forgemesh.io airport-lookup

https://x402.forgemesh.io/airport-lookup

payable

Airport lookup API: resolve any 3-letter IATA or 4-letter ICAO code to the airport's name, city, state, country, coordinates, elevation, and IANA timezone — 29,000+ airports worldwide, answered locally in milliseconds. Unknown codes return an unpaid 404. For travel planning, flight tooling, and logistics agents.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.003
Network
base
Pay to
0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
37 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:17:30.950Z (3d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.forgemesh.io%2Fairport-lookup"