the402 endpoint detail

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api.magentlab.com calc hints

https://api.magentlab.com/api/calc/hints

answers 402

Kattah 2009 three-step HINTS (Head-Impulse, Nystagmus, Test-of-Skew) for patients already in acute vestibular syndrome (AVS). Three caller-assigned flags: head_impulse_normal, direction_changing_nystagmus, and skew_deviation. dangerous is true if any flag is true (INFARCT: Impulse Normal, Fast-phase Alternating, Refixation on Cover Test). benign iff none. Not HINTS-plus (hearing). Not a stroke dia

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.005
Network
base
Pay to
0x836Be278f1739fB4308091cD1852F7971Bc19Ee2
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
60 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:27.485Z (2h ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fhints"