the402 endpoint detail

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api.magentlab.com calc michigan_picc

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

answers 402

Chopra 2017 Michigan Risk Score for PICC-associated thrombosis: another CVC at PICC placement 1, WBC >12 x10^9/L 1 (12.0 does not score), active cancer 2, PICC lumens single 0 / double 2 / triple 3 (triple includes quad), VTE history never 0 / remote 2 / within 30 days 3 (one field; do not add remote and recent). Max 10. Classes I=0 (observed 0.9%), II=1-2 (1.6%), III=3-4 (2.7%), IV=>4 (4.7% Table

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
2026-09-06T01:17:14.460Z (2h ago)
Category
other

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