the402 endpoint detail

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api.magentlab.com calc impact

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

answers 402

Steyerberg 2008 IMPACT prognostic score for 6-month mortality and unfavorable outcome after traumatic brain injury. model=core (age, motor, pupils), extended (plus hypoxia, hypotension, Marshall CT, tSAH, EDH), or lab (plus glucose mmol/L and Hb g/dL). Points and printed logistic LPs from that paper. Not a diagnosis, not MRC CRASH (Perel 2008), and not magent chemotherapy CRASH.

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
95 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:49.616Z (2h ago)
Category
ai-inference

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