the402 endpoint detail

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api.magentlab.com calc icc_sm

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

answers 402

ICC 2022 systemic mastocytosis (Arber 2022). Met when major infiltrates (≥15 tryptase- and/or CD117-positive MCs in aggregates in BM or extracutaneous organ) alone, or ≥3 minors. Minors: >25% spindle or atypical immature morphology, KIT D816V or other activating KIT mutation, CD25/CD2/CD30, tryptase >20 ng/mL (not counted in SM-AMN). Not a diagnosis. Not Valent 2016 WHO SM. Not WHO 5th/Khoury. Not

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
97 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:51.648Z (2h ago)
Category
other

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