{"api":"v1","generated_at":"2026-10-02T17:39:48.837Z","licence":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/","attribution":"TOLL, with a link to the page cited"},"page":"https://tollindex.com/e/api-magentlab-com-api-calc-rome-iv-cvs-3a691c","pinned_page":"https://tollindex.com/e/api-magentlab-com-api-calc-rome-iv-cvs-3a691c/at/2026-10-02T12-31Z","pinned":false,"method":"https://tollindex.com/ledger/method","snapshot_at":"2026-10-02T12:31:46.748Z","snapshot_stamp":"2026-10-02T12-31Z","endpoint":{"slug":"api-magentlab-com-api-calc-rome-iv-cvs-3a691c","canonical_url":"https://api.magentlab.com/api/calc/rome_iv_cvs","resource":"https://api.magentlab.com/api/calc/rome_iv_cvs","http_method":"POST","type":"http","x402_version":2,"registries":["cdp"],"primary_registry":"cdp","curated_by_coinbase":false,"description":"Stanghellini 2016 Rome IV adult CVS B3b. rome_iv_cvs is true iff stereotypical acute vomiting episodes lasting <1 week, ≥3 discrete episodes in the prior year and 2 in 6 months at least 1 week apart, absence of vomiting between episodes, last-3-months criteria, and 6-month onset. migraine_history is supportive and not required. Caller assigns eight flags. magent does not examine the patient. Not a diagnosis, not CHS, not pediatric CVS, not Rome IV IBS.","service_name":"magent","declared_category":null,"declared_tags":["rome-iv-cvs","cvs","gi","cyclic-vomiting","rome-iv"],"route_template":null,"registry_updated":"2026-09-28T14:11:46.694Z"},"derived":{"note":"fields no registry supplies; TOLL derives them and marks them derived on the page","title":"calc rome iv cvs","category":"other","first_observed_by_toll":"2026-09-28T13:51:25.436Z","last_observed_by_toll":"2026-10-02T12:31:46.748Z","observation_began":"2026-09-10"},"presence":{"listed_now":true,"first_absent_at":null,"delisting_confirmed_at":null,"events":[{"registry":"cdp","at":"2026-09-28T13:51:25.437Z","event":"listed"}]},"accepts":[{"registry":"cdp","ordinal":0,"network":"eip155:8453","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USD Coin","symbol":"USDC","decimals":6,"amount_display":"0.005 USDC","amount_units":0.005,"decimals_known":true,"pay_to":"0x836Be278f1739fB4308091cD1852F7971Bc19Ee2","scheme":"exact"}],"counters":{"observed_at":"2026-10-02T12:31:46.748Z","calls_30d":1,"unique_payers_30d":1,"last_called_at":"2026-09-28T14:11:46.567Z"},"validation":{"latest":{"observed_at":"2026-10-02T14:04:34.551Z","state":"pass","failed_checks":[],"endpoint_http_status":402,"run_id":"daily-2026-10-02"},"uptime":[{"days":7,"observed":6,"passed":6,"ratio":1},{"days":30,"observed":6,"passed":6,"ratio":1},{"days":90,"observed":6,"passed":6,"ratio":1}],"history_90d":[{"observed_at":"2026-10-02T14:04:34.551Z","state":"pass","failed_checks":[],"run_id":"daily-2026-10-02","state_changed":false},{"observed_at":"2026-10-01T07:09:07.852Z","state":"pass","failed_checks":[],"run_id":"daily-2026-10-01","state_changed":false},{"observed_at":"2026-09-30T06:26:21.787Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-30","state_changed":false},{"observed_at":"2026-09-29T18:46:27.069Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-29","state_changed":false},{"observed_at":"2026-09-28T16:54:41.670Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-28","state_changed":false},{"observed_at":"2026-09-28T16:40:42.110Z","state":"pass","failed_checks":[],"run_id":"new-after-daily-2026-09-28","state_changed":true}]},"seller":{"wallet":"0x836Be278f1739fB4308091cD1852F7971Bc19Ee2","page":"https://tollindex.com/seller/0x836Be278f1739fB4308091cD1852F7971Bc19Ee2","endpoints":844,"hosts":1},"reports":0,"registry_record":{"cdp":[{"tags":["rome-iv-cvs","cvs","gi","cyclic-vomiting","rome-iv"],"type":"http","accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2","paymentFlow":"upfront","resourceUrl":"https://api.magentlab.com/api/calc/rome_iv_cvs","assetTransferMethod":"eip3009"},"payTo":"0x836Be278f1739fB4308091cD1852F7971Bc19Ee2","amount":"5000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":600}],"quality":{"lastCalledAt":"2026-09-28T14:11:46.567Z","l30DaysTotalCalls":1,"l30DaysUniquePayers":1},"resource":"https://api.magentlab.com/api/calc/rome_iv_cvs","extensions":{"bazaar":{"info":{"input":{"body":{"items":[{"migraine_history":true,"fulfilled_last_3_months":true,"onset_at_least_6_months":true,"episodes_at_least_1_week_apart":true,"at_least_three_episodes_prior_year":true,"at_least_two_episodes_past_6_months":true,"absence_of_vomiting_between_episodes":true,"stereotypical_episodes_acute_lt_1_week":true},{"migraine_history":true,"fulfilled_last_3_months":true,"onset_at_least_6_months":true,"episodes_at_least_1_week_apart":true,"at_least_three_episodes_prior_year":true,"at_least_two_episodes_past_6_months":true,"absence_of_vomiting_between_episodes":true,"stereotypical_episodes_acute_lt_1_week":true}]},"type":"http","method":"POST"},"output":{"type":"json","example":{"path":"/api/calc/rome_iv_cvs","count":2,"items":[{"formula":"rome_iv_cvs","citation":{"id":"stanghellini-2016","doi":"10.1053/j.gastro.2016.02.011","pmid":"27147122","title":"Gastroduodenal Disorders","source":"Gastroenterology. 2016;150(6):1380-1392","authors":"Stanghellini V, Chan FKL, Hasler WL, Malagelada JR, Suzuki H, Tack J, Talley NJ"},"criteria":[{"met":true,"factor":"stereotypical_episodes_acute_lt_1_week"},{"met":true,"factor":"at_least_three_episodes_prior_year"},{"met":true,"factor":"at_least_two_episodes_past_6_months"},{"met":true,"factor":"episodes_at_least_1_week_apart"},{"met":true,"factor":"absence_of_vomiting_between_episodes"},{"met":true,"factor":"fulfilled_last_3_months"},{"met":true,"factor":"onset_at_least_6_months"},{"met":true,"factor":"migraine_history"}],"disclaimer":"Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.","rome_iv_cvs":true,"migraine_history":true,"formula_expression":"rome_iv_cvs iff stereotypical_episodes_acute_lt_1_week and at_least_three_episodes_prior_year and at_least_two_episodes_past_6_months and episodes_at_least_1_week_apart and absence_of_vomiting_between_episodes and fulfilled_last_3_months and onset_at_least_6_months; migraine_history is supportive and not required (Stanghellini 2016 Rome IV adult cyclic vomiting syndrome B3b)"},{"formula":"rome_iv_cvs","citation":{"id":"stanghellini-2016","doi":"10.1053/j.gastro.2016.02.011","pmid":"27147122","title":"Gastroduodenal Disorders","source":"Gastroenterology. 2016;150(6):1380-1392","authors":"Stanghellini V, Chan FKL, Hasler WL, Malagelada JR, Suzuki H, Tack J, Talley NJ"},"criteria":[{"met":true,"factor":"stereotypical_episodes_acute_lt_1_week"},{"met":true,"factor":"at_least_three_episodes_prior_year"},{"met":true,"factor":"at_least_two_episodes_past_6_months"},{"met":true,"factor":"episodes_at_least_1_week_apart"},{"met":true,"factor":"absence_of_vomiting_between_episodes"},{"met":true,"factor":"fulfilled_last_3_months"},{"met":true,"factor":"onset_at_least_6_months"},{"met":true,"factor":"migraine_history"}],"disclaimer":"Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.","rome_iv_cvs":true,"migraine_history":true,"formula_expression":"rome_iv_cvs iff stereotypical_episodes_acute_lt_1_week and at_least_three_episodes_prior_year and at_least_two_episodes_past_6_months and episodes_at_least_1_week_apart and absence_of_vomiting_between_episodes and fulfilled_last_3_months and onset_at_least_6_months; migraine_history is supportive and not required (Stanghellini 2016 Rome IV adult cyclic vomiting syndrome B3b)"}]}},"iconUrl":"https://api.magentlab.com/favicon.ico"},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"body":{"type":"object","required":["items"],"properties":{"items":{"type":"array","items":{"type":"object","required":["stereotypical_episodes_acute_lt_1_week","at_least_three_episodes_prior_year","at_least_two_episodes_past_6_months","episodes_at_least_1_week_apart","absence_of_vomiting_between_episodes","fulfilled_last_3_months","onset_at_least_6_months","migraine_history"],"properties":{"migraine_history":{"type":"boolean","description":"Personal history of migraine or family history of migraine, a supportive criterion that is not required for rome_iv_cvs (Stanghellini 2016). true or false as assigned by the caller. magent does not take a history."},"fulfilled_last_3_months":{"type":"boolean","description":"Criteria fulfilled for the last 3 months, as assigned (Stanghellini 2016). true or false as assigned by the caller. magent does not take a history."},"onset_at_least_6_months":{"type":"boolean","description":"Symptom onset at least 6 months prior to diagnosis, as assigned (Stanghellini 2016). true or false as assigned by the caller. magent does not take a history."},"episodes_at_least_1_week_apart":{"type":"boolean","description":"Discrete vomiting episodes occurring at least 1 week apart, as assigned (Stanghellini 2016). true or false as assigned by the caller. magent does not take a history."},"at_least_three_episodes_prior_year":{"type":"boolean","description":"At least 3 discrete vomiting episodes in the prior year, as assigned (Stanghellini 2016). true or false as assigned by the caller. magent does not take a history."},"at_least_two_episodes_past_6_months":{"type":"boolean","description":"At least 2 discrete vomiting episodes in the past 6 months, as assigned (Stanghellini 2016). true or false as assigned by the caller. magent does not take a history."},"absence_of_vomiting_between_episodes":{"type":"boolean","description":"Absence of vomiting between episodes; milder symptoms between cycles are allowed (Stanghellini 2016). true or false as assigned by the caller. magent does not examine the patient."},"stereotypical_episodes_acute_lt_1_week":{"type":"boolean","description":"Stereotypical episodes of vomiting regarding onset (acute) and duration (<1 week) (Stanghellini 2016 Rome IV adult B3b). true or false as assigned by the caller. magent does not examine the patient."}}},"maxItems":25,"minItems":1}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"type":"string","const":"POST"},"headers":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}}}},"description":"Stanghellini 2016 Rome IV adult CVS B3b. rome_iv_cvs is true iff stereotypical acute vomiting episodes lasting <1 week, ≥3 discrete episodes in the prior year and 2 in 6 months at least 1 week apart, absence of vomiting between episodes, last-3-months criteria, and 6-month onset. migraine_history is supportive and not required. Caller assigns eight flags. magent does not examine the patient. Not a diagnosis, not CHS, not pediatric CVS, not Rome IV IBS.","lastUpdated":"2026-09-28T14:11:46.694Z","serviceName":"magent","x402Version":2}]}}