the402 endpoint detail

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api.magentlab.com calc rome_iv_bloating

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

answers 402

Mearin 2016 Rome IV C4 bloating/distension. rome_iv_bloating is true iff last-3-months criteria with 6-month onset, recurrent bloating or distension ≥1 day/week that predominates, and insufficient criteria for IBS, functional constipation, functional diarrhea, or PDS. Caller assigns three flags. magent does not examine the patient. Not a diagnosis. Adult C4 only. Not child, not IBS, not functional

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
58 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:17:30.168Z (2h ago)
Category
other

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