the402 endpoint detail

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api.magentlab.com calc cns_ipi

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

answers 402

Schmitz 2016 CNS-IPI: Shipp IPI factors (age >60, ECOG ≥2, LDH > ULN, Ann Arbor III or IV, extranodal sites >1) plus kidney and/or adrenal involvement; 1 point each, max 6. Low 0–1, intermediate 2–3, high 4–6. CNS relapse risk after R-CHOP in DLBCL. Deterministic published score; not a CNS prophylaxis or LP order; not NCCN-IPI; not R-IPI; not a DLBCL diagnosis. magent does not stage lymphoma or im

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
2026-09-06T01:17:26.670Z (2h ago)
Category
media

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