the402 endpoint detail

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api.magentlab.com calc add_rs

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

answers 402

Rogers 2011 aortic dissection detection risk score (ADD-RS). One point per high-risk category with any marker (conditions, pain features, exam features); two markers in the same category still add only 1; max 3. Bands 0 / 1 / 2-3. Deterministic published score with citation. Not an imaging order, not ADvISED D-dimer rule-out; score 0 does not exclude dissection.

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
69 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:16.389Z (2h ago)
Category
other

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