the402 endpoint detail

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api.magentlab.com calc sgarbossa

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

answers 402

Sgarbossa 1996 GUSTO-1 criteria for evolving AMI in left bundle-branch block: caller-assigned concordant ST elevation ≥1 mm (5), concordant ST depression ≥1 mm in V1–V3 (3), and discordant ST elevation ≥5 mm (2). Max 10. Score ≥3 had ~90% specificity in the derivation. Deterministic published score with citation; not a diagnosis, not the Smith modification, and magent does not read the tracing.

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
68 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:16.434Z (2h ago)
Category
finance-crypto

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