the402 endpoint detail

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api.magentlab.com calc hcc_ld

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

answers 402

Citterio 2016 JAMA Surgery hierarchic classes for liver decompensation after HCC resection from caller-assigned portal_hypertension, major_hepatectomy, and meld (integer 6-40). High if PHT and major (LD 60.0%, liver-related mortality 25.0%). Low if no PHT, minor, and MELD ≤ 9 (LD 4.9%, mortality 4.4%). Else intermediate (LD 28.6%, mortality 9.0%). magent does not compute MELD or HVPG. Not a surgic

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
81 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:50.989Z (2h ago)
Category
other

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