the402 endpoint detail

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api.magentlab.com calc pecarn_cspine

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

answers 402

PECARN pediatric C-spine (Leonard 2024). No age split. High (consider CT) if GCS 3-8 or AVPU U; abnormal airway, breathing, or circulation; or focal neurologic deficit. Else intermediate (consider x-rays) if neck pain; AMS GCS 9-14; substantial head or torso injury; or midline neck tenderness. Else low (consider clinical clearance). High-risk beats intermediate. Not NEXUS, Canadian C-spine, PECARN

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
74 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:28.753Z (2h ago)
Category
finance-crypto

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