{"api":"v1","generated_at":"2026-10-01T10:19:03.607Z","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-winters-5e7784","pinned_page":"https://tollindex.com/e/api-magentlab-com-api-calc-winters-5e7784/at/2026-10-01T05-50Z","pinned":false,"method":"https://tollindex.com/ledger/method","snapshot_at":"2026-10-01T05:50:06.230Z","snapshot_stamp":"2026-10-01T05-50Z","endpoint":{"slug":"api-magentlab-com-api-calc-winters-5e7784","canonical_url":"https://api.magentlab.com/api/calc/winters","resource":"https://api.magentlab.com/api/calc/winters","http_method":"POST","type":"http","x402_version":2,"registries":["cdp"],"primary_registry":"cdp","curated_by_coinbase":false,"description":"Winters' formula for expected PCO2 in metabolic acidosis: 1.5 × bicarbonate + 8 mm Hg, with a published ±2 mm Hg range. Optional comparison of measured PaCO2 to that band. Deterministic Albert–Winters 1967 arithmetic with citation; not a treatment target or a metabolic alkalosis formula.","service_name":"magent","declared_category":null,"declared_tags":["winters","acidosis","pco2","electrolytes","calculator"],"route_template":null,"registry_updated":"2026-09-28T14:18:24.616Z"},"derived":{"note":"fields no registry supplies; TOLL derives them and marks them derived on the page","title":"calc winters","category":"other","first_observed_by_toll":"2026-09-28T13:51:25.436Z","last_observed_by_toll":"2026-10-01T05:50:06.230Z","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":"2026-10-01T05:50:06.230Z","calls_30d":1,"unique_payers_30d":1,"last_called_at":"2026-09-28T14:18:24.492Z"},"validation":{"latest":{"observed_at":"2026-10-01T07:43:02.301Z","state":"pass","failed_checks":[],"endpoint_http_status":402,"run_id":"daily-2026-10-01"},"uptime":[{"days":7,"observed":5,"passed":5,"ratio":1},{"days":30,"observed":5,"passed":5,"ratio":1},{"days":90,"observed":5,"passed":5,"ratio":1}],"history_90d":[{"observed_at":"2026-10-01T07:43:02.301Z","state":"pass","failed_checks":[],"run_id":"daily-2026-10-01","state_changed":false},{"observed_at":"2026-09-30T07:01:38.022Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-30","state_changed":false},{"observed_at":"2026-09-29T19:19:19.498Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-29","state_changed":false},{"observed_at":"2026-09-28T16:56:51.121Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-28","state_changed":false},{"observed_at":"2026-09-28T16:42:46.636Z","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":["winters","acidosis","pco2","electrolytes","calculator"],"type":"http","accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2","paymentFlow":"upfront","resourceUrl":"https://api.magentlab.com/api/calc/winters","assetTransferMethod":"eip3009"},"payTo":"0x836Be278f1739fB4308091cD1852F7971Bc19Ee2","amount":"5000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":600}],"quality":{"lastCalledAt":"2026-09-28T14:18:24.492Z","l30DaysTotalCalls":1,"l30DaysUniquePayers":1},"resource":"https://api.magentlab.com/api/calc/winters","extensions":{"bazaar":{"info":{"input":{"body":{"items":[{"paco2_mm_hg":26,"bicarbonate_mmol_l":12},{"paco2_mm_hg":26,"bicarbonate_mmol_l":12}]},"type":"http","method":"POST"},"output":{"type":"json","example":{"path":"/api/calc/winters","count":2,"items":[{"formula":"winters","citation":{"id":"albert-winters-1967","doi":"10.7326/0003-4819-66-2-312","title":"Quantitative displacement of acid-base equilibrium in metabolic acidosis","source":"Ann Intern Med. 1967;66(2):312-322","authors":"Albert MS, Dell RB, Winters RW"},"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.","bicarbonate_mmol_l":12,"formula_expression":"expected_pco2_mm_hg = 1.5 * bicarbonate_mmol_l + 8","expected_pco2_mm_hg":26,"expected_pco2_low_mm_hg":24,"expected_pco2_high_mm_hg":28},{"formula":"winters","citation":{"id":"albert-winters-1967","doi":"10.7326/0003-4819-66-2-312","title":"Quantitative displacement of acid-base equilibrium in metabolic acidosis","source":"Ann Intern Med. 1967;66(2):312-322","authors":"Albert MS, Dell RB, Winters RW"},"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.","bicarbonate_mmol_l":12,"formula_expression":"expected_pco2_mm_hg = 1.5 * bicarbonate_mmol_l + 8","expected_pco2_mm_hg":26,"expected_pco2_low_mm_hg":24,"expected_pco2_high_mm_hg":28}]}},"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":["bicarbonate_mmol_l"],"properties":{"paco2_mm_hg":{"type":"number","description":"Measured arterial PCO2 in mm Hg (8-80). When supplied, compensation is returned versus the Winters ±2 band."},"bicarbonate_mmol_l":{"type":"number","description":"Plasma bicarbonate in mmol/L (2-24). Metabolic acidosis range."}}},"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":"Winters' formula for expected PCO2 in metabolic acidosis: 1.5 × bicarbonate + 8 mm Hg, with a published ±2 mm Hg range. Optional comparison of measured PaCO2 to that band. Deterministic Albert–Winters 1967 arithmetic with citation; not a treatment target or a metabolic alkalosis formula.","lastUpdated":"2026-09-28T14:18:24.616Z","serviceName":"magent","x402Version":2}]}}