the402 endpoint detail

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api.agentstools.dev aircraft registration

https://api.agentstools.dev/aircraft/registration

payable

Look up a US-registered aircraft in the public FAA Aircraft Registry by tail number (N-number) or serial and get a normalized record: registration status, registered owner, make, model, year, serial, engine, airworthiness date, type certificate and Mode-S code. Cheap first step before aircraft/diligence.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
157 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:12:44.233Z (1d ago)
Category
ai-inference

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.agentstools.dev%2Faircraft%2Fregistration"