the402 endpoint detail

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api.magentlab.com calc ivt_contraindications

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

answers 402

Powers 2018 Table 6 Class III Harm IVT. contraindicated iff any of 15 caller flags: CT ICH; recent ischemic stroke, severe head trauma, or intracranial/spinal surgery; posttraumatic infarction; history of ICH; SAH presentation; GI malignancy or bleed 21d; coagulopathy; LMWH 24h; DOAC not cleared; GP IIb/IIIa; infective endocarditis; aortic arch dissection; intra-axial neoplasm. Not Class I eligibi

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
73 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:50.210Z (2h ago)
Category
other

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