the402 endpoint detail

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api-staging.eckari.com us observation

https://api-staging.eckari.com/v1/weather/us/observation

answers 402

Latest surface observation from the nearest National Weather Service station to a US coordinate, with the station identity, the observation time (observed_at), its age in seconds and an is_stale flag. Station observations are reported roughly every 20-60 minutes, so this is the most recent measurement, not a real-time reading. Readings that fail the station's quality control are returned as null.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.003
Network
base-sepolia
Pay to
0x7c0Ba1d16322Ee426D6508a74b571Dd73A5a35DA
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
638 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:13:11.579Z (22d ago)
Category
identity

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi-staging.eckari.com%2Fv1%2Fweather%2Fus%2Fobservation"