the402 endpoint detail

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api.magentlab.com calc crusade

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

answers 402

CRUSADE in-hospital major bleeding score (Subherwal 2009 Table 4) for NSTE-ACS / NSTEMI. Points from hematocrit, caller-assigned Cockcroft–Gault CrCl, heart rate, sex, CHF, prior vascular disease, diabetes, and systolic BP. Returns integer score (max 96), quintile band, and published in-hospital major-bleeding percent. Not a medical device; magent does not compute CrCl or examine the patient.

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
110 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:16.370Z (2h ago)
Category
other

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