{"api":"v1","generated_at":"2026-10-03T23:07:13.973Z","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-nadler-2a7125","pinned_page":"https://tollindex.com/e/api-magentlab-com-api-calc-nadler-2a7125/at/2026-10-03T21-12Z","pinned":false,"method":"https://tollindex.com/ledger/method","snapshot_at":"2026-10-03T21:12:52.186Z","snapshot_stamp":"2026-10-03T21-12Z","endpoint":{"slug":"api-magentlab-com-api-calc-nadler-2a7125","canonical_url":"https://api.magentlab.com/api/calc/nadler","resource":"https://api.magentlab.com/api/calc/nadler","http_method":"POST","type":"http","x402_version":2,"registries":["cdp"],"primary_registry":"cdp","curated_by_coinbase":false,"description":"Nadler 1962 predicted blood volume in liters from height, weight, and sex (separate male and female equations). Deterministic published arithmetic with citation. For adults as published; this tool does not take age. Not a transfusion order, Lemmens–Bernstein–Brodsky estimate, or 70 mL/kg rule of thumb.","service_name":"magent","declared_category":null,"declared_tags":["nadler","blood-volume","ebv","calculator"],"route_template":null,"registry_updated":"2026-09-28T13:40:19.602Z"},"derived":{"note":"fields no registry supplies; TOLL derives them and marks them derived on the page","title":"calc nadler","category":"other","first_observed_by_toll":"2026-09-28T13:51:25.436Z","last_observed_by_toll":"2026-10-03T21:12:52.185Z","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"},{"registry":"cdp","at":"2026-09-30T12:32:05.628Z","event":"delisted"},{"registry":"cdp","at":"2026-09-30T22:14:11.940Z","event":"relisted"}]},"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":"2026-10-03T21:12:52.186Z","calls_30d":1,"unique_payers_30d":1,"last_called_at":"2026-09-28T13:40:19.470Z"},"validation":{"latest":{"observed_at":"2026-10-03T04:33:32.135Z","state":"pass","failed_checks":[],"endpoint_http_status":402,"run_id":"daily-2026-10-03"},"uptime":[{"days":7,"observed":7,"passed":7,"ratio":1},{"days":30,"observed":7,"passed":7,"ratio":1},{"days":90,"observed":7,"passed":7,"ratio":1}],"history_90d":[{"observed_at":"2026-10-03T04:33:32.135Z","state":"pass","failed_checks":[],"run_id":"daily-2026-10-03","state_changed":false},{"observed_at":"2026-10-02T13:44:39.737Z","state":"pass","failed_checks":[],"run_id":"daily-2026-10-02","state_changed":false},{"observed_at":"2026-10-01T06:54:29.437Z","state":"pass","failed_checks":[],"run_id":"daily-2026-10-01","state_changed":false},{"observed_at":"2026-09-30T06:11:25.967Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-30","state_changed":false},{"observed_at":"2026-09-29T18:32:12.565Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-29","state_changed":false},{"observed_at":"2026-09-28T16:53:50.615Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-28","state_changed":false},{"observed_at":"2026-09-28T16:39:46.539Z","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":["nadler","blood-volume","ebv","calculator"],"type":"http","accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2","paymentFlow":"upfront","resourceUrl":"https://api.magentlab.com/api/calc/nadler","assetTransferMethod":"eip3009"},"payTo":"0x836Be278f1739fB4308091cD1852F7971Bc19Ee2","amount":"5000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":600}],"quality":{"lastCalledAt":"2026-09-28T13:40:19.47Z","l30DaysTotalCalls":1,"l30DaysUniquePayers":1},"resource":"https://api.magentlab.com/api/calc/nadler","extensions":{"bazaar":{"info":{"input":{"body":{"items":[{"sex":"male","height_cm":170,"height_in":66.92913385826772,"weight_kg":70,"weight_lb":154.3236},{"sex":"male","height_cm":170,"height_in":66.92913385826772,"weight_kg":70,"weight_lb":154.3236}]},"type":"http","method":"POST"},"output":{"type":"json","example":{"path":"/api/calc/nadler","count":2,"items":[{"sex":"male","formula":"nadler","citation":{"id":"nadler-1962","pmid":"21936146","title":"Prediction of blood volume in normal human adults","source":"Surgery. 1962;51(2):224-232","authors":"Nadler SB, Hidalgo JH, Bloch T"},"height_cm":170,"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.","blood_volume_l":4.66,"blood_volume_ml":4660,"formula_expression":"BV_L = 0.3669 * H^3 + 0.03219 * W + 0.6041 (male); BV_L = 0.3561 * H^3 + 0.03308 * W + 0.1833 (female); H meters, W kg"},{"sex":"male","formula":"nadler","citation":{"id":"nadler-1962","pmid":"21936146","title":"Prediction of blood volume in normal human adults","source":"Surgery. 1962;51(2):224-232","authors":"Nadler SB, Hidalgo JH, Bloch T"},"height_cm":170,"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.","blood_volume_l":4.66,"blood_volume_ml":4660,"formula_expression":"BV_L = 0.3669 * H^3 + 0.03219 * W + 0.6041 (male); BV_L = 0.3561 * H^3 + 0.03308 * W + 0.1833 (female); H meters, W kg"}]}},"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"],"properties":{"sex":{"enum":["female","male"],"type":"string","description":"Sex used by Nadler 1962 (separate male and female equations)."},"height_cm":{"type":"number","description":"Height in centimeters. Provide height_cm or height_in."},"height_in":{"type":"number","description":"Height in inches. Converted as cm = in * 2.54."},"weight_kg":{"type":"number","description":"Weight in kilograms. Provide weight_kg or weight_lb."},"weight_lb":{"type":"number","description":"Weight in pounds. 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":"Nadler 1962 predicted blood volume in liters from height, weight, and sex (separate male and female equations). Deterministic published arithmetic with citation. For adults as published; this tool does not take age. Not a transfusion order, Lemmens–Bernstein–Brodsky estimate, or 70 mL/kg rule of thumb.","lastUpdated":"2026-09-28T13:40:19.602Z","serviceName":"magent","x402Version":2}]}}