the402 endpoint detail

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api.magentlab.com calc rome_iii_ibs

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

answers 402

Longstreth 2006 Rome III IBS. rome_iii_ibs is true iff pain or discomfort at least 3 days per month in the last 3 months, onset at least 6 months prior, and at least two of: improvement with defecation, change in stool frequency, and change in stool form. supporting_features_met is 0-3. Caller assigns five flags. magent does not examine the patient. Not a diagnosis, not Rome IV, not IBS subtype.

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
100 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:30.553Z (2h ago)
Category
other

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