the402 endpoint detail

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api.magentlab.com calc rome_ii_ibs

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

answers 402

Thompson 1999 Rome II IBS. rome_ii_ibs is true iff at least 12 weeks (need not be consecutive) in the preceding 12 months of abdominal discomfort or pain and at least two of: relieved with defecation, onset associated with a change in stool frequency, and onset associated with a change in stool form. supporting_features_met is 0-3. Caller assigns four flags. magent does not examine the patient. No

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
79 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:30.296Z (2h ago)
Category
other

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