the402 endpoint detail

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api.magentlab.com calc nci_ctc_stomatitis

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

answers 402

NCI CTC v2.0 stomatitis/pharyngitis (Trotti 2000). none → 0; painless_or_mild_soreness → 1; painful_can_eat → 2; painful_cannot_eat → 3; parenteral_or_prophylactic_intubation → 4. magent does not examine the mucosa. Not radiation mucositis (nci-ctc-mucositis), CTCAE catalog, or WHO. Not a diagnosis or medical device.

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
66 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:51.313Z (2h ago)
Category
other

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