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Rome IV CAPS (Centrally Mediated Abdominal Pain Syndrome) Calculator
x402
Rome IV CAPS (Centrally Mediated Abdominal Pain Syndrome) Calculator is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Evaluates whether a patient meets the Keefer 2016 Rome IV CAPS diagnostic criteria based on seven caller-assigned boolean flags
Price / call$0.005
Success—
StatusUnknown
How this service works
Keefer 2016 Rome IV CAPS (formerly FAPS). rome_iv_caps is true iff continuous or nearly continuous abdominal pain, no or only occasional relationship with eating, defecation, or menses, pain limits daily functioning, pain is not feigned, not explained by another GI or medical condition, last-3-months criteria, and 6-month onset. Psychosocial comorbidity is copy-only. magent does not examine or judge feigning beyond the caller flag. Not a diagnosis, not IBS, not narcotic bowel syndrome.
Output
Returns a boolean rome_iv_caps field indicating whether all seven Rome IV CAPS criteria are simultaneously satisfied, plus a psychosocial_comorbidity field that is copied through from caller input. The result is not a clinical diagnosis and explicitly excludes IBS and narcotic bowel syndrome.
Example use cases
Clinical chart review for CAPS diagnosis
“I'm reviewing a GI patient: continuous abdominal pain, no relationship to meals or defecation, limits their daily life, no feigning suspected, no other GI explanation found, criteria met for 3 months, onset over 6 months ago. Do they qualify for Rome IV CAPS?”
Ruling out CAPS before IBS workup
“My patient has chronic abdominal pain — continuous, not related to eating or bowel movements, functionally limiting, not feigned, no structural cause found, present for over 6 months with criteria confirmed for 3 months. Can you check if this is CAPS rather than IBS per Rome IV?”
Automated EHR clinical criteria check
“For this patient record: mark continuous abdominal pain as true, no physiological relationship true, daily functioning limited true, not feigned true, no other GI condition true, last 3 months criteria true, onset at least 6 months true — does Rome IV CAPS apply?”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/rome_iv_capsWhen to prefer
Use this endpoint when you need a deterministic, rule-based evaluation of whether a patient satisfies the Rome IV CAPS (Keefer 2016) criteria specifically — not IBS, not narcotic bowel syndrome, not functional dyspepsia. Prefer this over general LLM reasoning when you need a reproducible, auditable boolean classification based on pre-assessed clinical flags, especially in automated clinical decision support pipelines.
Side effects
- Missing any of the seven required boolean query parameters returns an error
- All seven flags must be true for rome_iv_caps to be true; any false flag yields false
- Feigning assessment is entirely caller-assigned; the API does not validate clinical plausibility
- Psychosocial comorbidity is pass-through only; the API does not assess it independently
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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