the402 endpoint detail

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api.magentlab.com calc mcdonald_2017

https://api.magentlab.com/api/calc/mcdonald_2017

answers 402

2017 McDonald typical CIS (Thompson 2018). mcdonald_ms iff typical_cis and no_better_explanation and: ≥2 attacks with ≥2 lesions; or ≥2 attacks with one lesion plus DIS; or CIS with ≥2 lesions plus MRI DIT or CSF-specific OCB; or CIS with one lesion plus DIS and MRI DIT or CSF-specific OCB. 2017: OCB may substitute for DIT when DIS is met. Symptomatic and cortical lesions count. Not PPMS. Not 2010

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
70 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:51.692Z (2h ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Fmcdonald_2017"