{"uid":"cap_cw7jypXdPCewFShy1Rzuo","slug":"saylor-innovations-bac-calculator-f4d44385","name":"Saylor Innovations BAC Calculator","description":"Estimated blood alcohol concentration from weight, sex, drinks and hours using the Widmark formula, with sobering time and legal limit references","url":"https://saylorinnovations.com/api/health/bac?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["weight_kg","sex","drinks"],"properties":{"sex":{"type":"string","description":"male or female"},"hours":{"type":"string","description":"optional hours since the first drink, default 0"},"drinks":{"type":"string","description":"Standard drinks consumed (14 g alcohol each)"},"weight_kg":{"type":"string","description":"Body weight in kg"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["inputs","estimated_bac_percent_now","level"],"properties":{"note":{"type":"string","description":"Caveat or context for reading the result"},"level":{"type":"string","description":"Level"},"inputs":{"type":"object","properties":{"sex":{"type":["string","null"],"description":"Sex used in the Widmark formula"},"weight_kg":{"type":["number","null"],"description":"Weight in kilograms"},"hours_elapsed":{"type":["number","null"],"description":"Hours elapsed"},"standard_drinks":{"type":["number","null"],"description":"Standard drinks"}},"description":"Inputs used: weight, sex, standard drinks and hours since first drink"},"source":{"type":"string","description":"Data source the values come from"},"alcohol_grams":{"type":"number","description":"Alcohol grams"},"peak_bac_percent":{"type":"number","description":"Peak bac, as a percentage"},"hours_until_sober":{"type":"number","description":"Hours until sober"},"hours_until_below_0_08":{"type":"number","description":"Hours until below 0 08"},"legal_limit_references":{"type":"object","description":"Legal limit references"},"estimated_bac_percent_now":{"type":"number","description":"Estimated bac percent now"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tVA5_j8Iag1qsozHJP6ir","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Estimates blood alcohol concentration using the Widmark formula, with sobering time and legal limit references, given weight, sex, drinks consumed, and hours elapsed","exampleAgentPrompt":"I'm a 75 kg male who had 4 standard drinks starting 2 hours ago — can you estimate my blood alcohol concentration right now and tell me how long until I'd be under 0.08%?","exampleUseCases":[{"title":"Pre-drive sobriety check","prompt":"I'm a 68 kg woman and I had 3 glasses of wine over the last hour and a half — am I over the legal limit and when would I be safe to drive?"},{"title":"Party safety monitoring","prompt":"My friend is a 90 kg guy who drank 6 standard drinks 3 hours ago — what's his estimated BAC right now and how many hours until he's fully sober?"},{"title":"Responsible drinking tracker","prompt":"I weigh 60 kg, I'm female, and I've had 2 drinks in the past 30 minutes — what's my current blood alcohol percentage and peak BAC?"}],"resultDescription":"Returns estimated current BAC as a percentage, peak BAC, alcohol grams consumed, intoxication level label, hours until sober, hours until below 0.08% legal limit, legal limit references by jurisdiction, and a caveat note about estimation accuracy — along with the input values used in the Widmark formula calculation.","failureModes":["Missing required parameters (weight_kg, sex, drinks) returns an error","Invalid or non-numeric weight/drinks values may cause computation errors","Negative hours or unrealistic drink counts may yield unexpected results","The estimate is a formula approximation and will note caveats about individual variation"],"whenToPreferThis":"Use this endpoint when you need a quick, formula-based BAC estimate using the well-established Widmark method, particularly when you need sobering time and legal limit context in a single call. Prefer it over general health APIs when the user has specific weight, sex, and drink count data and needs actionable safety guidance.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T12:56:43.203Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-bac-calculator-f4d44385"}