the402 endpoint detail

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api.magentlab.com calc phases

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

answers 402

Greving 2014 PHASES 5-year rupture risk for an unruptured intracranial aneurysm. Caller assigns population (north_america_europe 0, japanese 3, finnish 5), hypertension (1), age >=70 (1), size mm (<7 0, 7.0-9.9 3, 10.0-19.9 6, >=20 10), earlier SAH (1), and site (ica 0, mca 2, aca_pcom_posterior 4). Returns points (max 22) and grouped 5-year risk percent. Not a treatment order or PHASES of care. m

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
83 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:52.784Z (2h ago)
Category
other

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