the402 endpoint detail

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x402.forgemesh.io flight-code-lookup

https://x402.forgemesh.io/flight-code-lookup

payable

Instant lookup for any 3-letter or 4-letter flight code, returning the matching airport's full name, city, country, coordinates, elevation, and local timezone from a database of 29,000+ airports. Built for booking engines, itinerary builders, and dispatch systems that need to resolve a code without maintaining their own reference table.

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
56 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:17:30.838Z (3d ago)
Category
search

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