{"api":"v1","generated_at":"2026-10-01T05:47:45.018Z","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-estimated-ethanol-37baf7","pinned_page":"https://tollindex.com/e/api-magentlab-com-api-calc-estimated-ethanol-37baf7/at/2026-09-30T22-14Z","pinned":false,"method":"https://tollindex.com/ledger/method","snapshot_at":"2026-09-30T22:14:11.940Z","snapshot_stamp":"2026-09-30T22-14Z","endpoint":{"slug":"api-magentlab-com-api-calc-estimated-ethanol-37baf7","canonical_url":"https://api.magentlab.com/api/calc/estimated_ethanol","resource":"https://api.magentlab.com/api/calc/estimated_ethanol","http_method":"POST","type":"http","x402_version":2,"registries":["cdp"],"primary_registry":"cdp","curated_by_coinbase":false,"description":"Fasting Watson 1981 theoretical Co from ingested ethanol grams and sex-specific Watson 1980 total body water. Blood-water fraction 0.80; absorbed fraction 1. Fasting Widmark-type estimate only. Ethanol only; not a medicolegal BAC or treatment dose.","service_name":"magent","declared_category":null,"declared_tags":["ethanol","electrolytes","widmark","tbw","calculator"],"route_template":null,"registry_updated":"2026-09-28T14:18:46.065Z"},"derived":{"note":"fields no registry supplies; TOLL derives them and marks them derived on the page","title":"calc estimated ethanol","category":"other","first_observed_by_toll":"2026-09-28T13:51:25.436Z","last_observed_by_toll":"2026-09-30T22:14:11.940Z","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":"2026-09-30T22:14:11.940Z","calls_30d":2,"unique_payers_30d":1,"last_called_at":"2026-09-28T14:18:45.933Z"},"validation":{"latest":{"observed_at":"2026-09-30T06:23:34.541Z","state":"pass","failed_checks":[],"endpoint_http_status":402,"run_id":"daily-2026-09-30"},"uptime":[{"days":7,"observed":4,"passed":4,"ratio":1},{"days":30,"observed":4,"passed":4,"ratio":1},{"days":90,"observed":4,"passed":4,"ratio":1}],"history_90d":[{"observed_at":"2026-09-30T06:23:34.541Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-30","state_changed":false},{"observed_at":"2026-09-29T18:43:51.483Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-29","state_changed":false},{"observed_at":"2026-09-28T16:54:33.282Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-28","state_changed":false},{"observed_at":"2026-09-28T16:40:33.666Z","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":["ethanol","electrolytes","widmark","tbw","calculator"],"type":"http","accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2","paymentFlow":"upfront","resourceUrl":"https://api.magentlab.com/api/calc/estimated_ethanol","assetTransferMethod":"eip3009"},"payTo":"0x836Be278f1739fB4308091cD1852F7971Bc19Ee2","amount":"5000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":600}],"quality":{"lastCalledAt":"2026-09-28T14:18:45.933Z","l30DaysTotalCalls":2,"l30DaysUniquePayers":1},"resource":"https://api.magentlab.com/api/calc/estimated_ethanol","extensions":{"bazaar":{"info":{"input":{"body":{"items":[{"age":30,"sex":"male","ethanol_g":14,"height_cm":175,"height_in":68.9,"weight_kg":70,"weight_lb":154.3},{"age":30,"sex":"male","ethanol_g":14,"height_cm":175,"height_in":68.9,"weight_kg":70,"weight_lb":154.3}]},"type":"http","method":"POST"},"output":{"type":"json","example":{"path":"/api/calc/estimated_ethanol","count":2,"items":[{"sex":"male","tbw_l":41.92,"co_g_l":0.267,"formula":"watson_1981","citation":{"id":"watson-1981","doi":"10.15288/jsa.1981.42.547","pmid":"7289599","title":"Prediction of blood alcohol concentrations in human subjects. Updating the Widmark Equation","source":"J Stud Alcohol. 1981;42(7):547-556","authors":"Watson PE, Watson ID, Batt RD"},"co_mg_dl":26.7,"age_years":30,"ethanol_g":14,"height_cm":175,"weight_kg":70,"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.","absorbed_fraction":1,"formula_expression":"TBW_L (male) = 2.447 - 0.09516*age_years + 0.1074*height_cm + 0.3362*weight_kg; TBW_L (female) = -2.097 + 0.1069*height_cm + 0.2466*weight_kg; Co_g_l = absorbed_fraction * ethanol_g * blood_water_fraction / TBW_L (fasting absorbed_fraction = 1, blood_water_fraction = 0.80)","blood_water_fraction":0.8},{"sex":"male","tbw_l":41.92,"co_g_l":0.267,"formula":"watson_1981","citation":{"id":"watson-1981","doi":"10.15288/jsa.1981.42.547","pmid":"7289599","title":"Prediction of blood alcohol concentrations in human subjects. Updating the Widmark Equation","source":"J Stud Alcohol. 1981;42(7):547-556","authors":"Watson PE, Watson ID, Batt RD"},"co_mg_dl":26.7,"age_years":30,"ethanol_g":14,"height_cm":175,"weight_kg":70,"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.","absorbed_fraction":1,"formula_expression":"TBW_L (male) = 2.447 - 0.09516*age_years + 0.1074*height_cm + 0.3362*weight_kg; TBW_L (female) = -2.097 + 0.1069*height_cm + 0.2466*weight_kg; Co_g_l = absorbed_fraction * ethanol_g * blood_water_fraction / TBW_L (fasting absorbed_fraction = 1, blood_water_fraction = 0.80)","blood_water_fraction":0.8}]}},"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":["sex","age","ethanol_g"],"properties":{"age":{"type":"integer","description":"Age in years (18-120). Used in male TBW; required for both sexes."},"sex":{"enum":["female","male"],"type":"string","description":"Sex for Watson 1980 TBW: male uses age, height, and weight; female uses height and weight only."},"ethanol_g":{"type":"number","description":"Ingested ethanol mass in grams (0-500). Watson 1981 does not publish a mass clamp; one US standard drink is about 14 g."},"height_cm":{"type":"number","description":"Height in centimeters (50-250). Provide height_cm or height_in."},"height_in":{"type":"number","description":"Height in inches (20-98). Converted as cm = in * 2.54."},"weight_kg":{"type":"number","description":"Weight in kilograms (1-500). Provide weight_kg or weight_lb."},"weight_lb":{"type":"number","description":"Weight in pounds (2-1100). Converted as kg = lb * 0.45359237."}}},"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":"Fasting Watson 1981 theoretical Co from ingested ethanol grams and sex-specific Watson 1980 total body water. Blood-water fraction 0.80; absorbed fraction 1. Fasting Widmark-type estimate only. Ethanol only; not a medicolegal BAC or treatment dose.","lastUpdated":"2026-09-28T14:18:46.065Z","serviceName":"magent","x402Version":2}]}}