the402 endpoint detail

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api.magentlab.com calc metroticket_2

https://api.magentlab.com/api/calc/metroticket_2

answers 402

Mazzaferro 2018 Metroticket 2.0 AFP-adjusted-to-HCC-size 70% 5-year HCC-specific survival criteria. meets_70pct_hcc_specific_survival is true iff AFP <200 ng/mL and tumor_count + largest_cm <=7, or 200<=AFP<400 and sum <=5, or 400<=AFP<=1000 and sum <=4. AFP >1000 never meets. Not Milan, UCSF, Metroticket 1.0 contours, or competing-risk survival percents. magent does not interpret imaging or assay

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
59 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:51.495Z (2h ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fmetroticket_2"