the402 endpoint detail

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airscout.scalpstream.com air

https://airscout.scalpstream.com/air

answers 402

AirScout air-quality query (current AQI, EPA activity verdict, and the cleanest window ahead)

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
0xD0f5d2E48e67A265174593aCe2cd540337C1564a
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
306 ms
Payment options
5 usable of 5
Last checked
2026-09-06T01:22:27.123Z (23d ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fairscout.scalpstream.com%2Fair"