{"uid":"cap_1ty6En1UnBg1GHqIlpSql","slug":"pet-care-calc-dog-human-age-avma-epigenetic-981aa521","name":"Pet Care Calc – Dog Human Age (AVMA & Epigenetic)","description":"Human-equivalent age of a dog by the AVMA 15-9-5 rule and the 2020 epigenetic-clock formula 16 ln(age) + 31.","url":"https://pet-calc.x402tookit.com/dog-age?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":["dogYears"],"properties":{"dogYears":{"type":"number","description":"The dog's age in calendar years (for example 7 or 2.5)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"dogYears":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"humanYearsAvma":{"type":["null","number"]},"differenceYears":{"type":["null","number"]},"epigeneticReliable":{"type":["boolean","null"]},"humanYearsEpigenetic":{"type":["null","number"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Tty1w6Uvp7K2ijjMLfWIa","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a dog's age in calendar years to human-equivalent ages using both the AVMA 15-9-5 rule and the 2020 epigenetic-clock formula (16 ln(age) + 31)","exampleAgentPrompt":"My dog is 7 years old — can you tell me his human-equivalent age using both the AVMA 15-9-5 rule and the epigenetic clock formula?","exampleUseCases":[{"title":"Senior dog wellness check","prompt":"My golden retriever is 11 years old. How old does that make her in human years — can you use both the AVMA method and the epigenetic formula so I can see the difference?"},{"title":"New puppy milestone tracking","prompt":"My puppy just turned 1. What's his human-equivalent age right now using the AVMA rule and the scientific epigenetic calculation?"},{"title":"Comparing two dogs' relative ages","prompt":"I have two dogs — one is 4 years old and the other is 9. Can you tell me the human-equivalent age for each using both the AVMA and epigenetic methods so I can compare how much older the second one really is?"}],"resultDescription":"Returns the dog's human-equivalent age calculated via the AVMA 15-9-5 rule (humanYearsAvma), the 2020 epigenetic-clock formula (humanYearsEpigenetic), the difference between the two estimates (differenceYears), a flag indicating whether the epigenetic formula is reliable for the given age (epigeneticReliable), a plain-English summary, source attribution, and a disclaimer about the estimates.","failureModes":["Missing dogYears query parameter returns a validation error","Non-numeric or negative dogYears value causes a bad request error","Very young or very old ages (e.g. 0 or >30) may trigger epigeneticReliable=false","Payment failure (insufficient USDC balance or x402 protocol error) results in 402 response"],"whenToPreferThis":"Use this endpoint when you need a scientifically grounded dog-to-human age conversion that goes beyond the outdated 'multiply by 7' rule. It uniquely provides two distinct methods — the veterinary-standard AVMA 15-9-5 rule and the 2020 epigenetic-clock formula — along with a reliability flag and difference metric, making it ideal for any pet health, wellness, or educational application requiring rigorous age context.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T06:59:37.256Z","isFirstParty":false,"canonicalSlug":"pet-care-calc-dog-human-age-avma-epigenetic-981aa521"}