{"uid":"cap_A3yDHRy-C_Rbi_z0yDc2k","slug":"calendar-systems-age-profile-b04ac50d","name":"Calendar Systems Age Profile","description":"Age in years, months, days and days lived, Korean and East Asian ages, next birthday with leap-day rules, and zodiac.","url":"https://calendar-systems.x402tookit.com/age-profile?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":["birth"],"properties":{"asOf":{"type":"string","description":"Reference date YYYY-MM-DD (default today, UTC)"},"birth":{"type":"string","description":"Birth date YYYY-MM-DD"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"source":{"type":["null","string"]},"ageDays":{"type":["null","number"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"ageYears":{"type":["null","number"]},"degraded":{"type":["boolean","null"]},"ageMonths":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"totalMonths":{"type":["null","number"]},"birthWeekday":{"type":["null","string"]},"nextBirthday":{"type":["null","string"]},"koreanYearAge":{"type":["null","number"]},"totalDaysLived":{"type":["null","number"]},"birthdayIsToday":{"type":["boolean","null"]},"leapDayBirthday":{"type":["boolean","null"]},"totalWeeksLived":{"type":["null","number"]},"internationalAge":{"type":["null","number"]},"chineseZodiacYear":{"type":["null","number"]},"chineseZodiacAnimal":{"type":["null","string"]},"nextBirthdayWeekday":{"type":["null","string"]},"birthJulianDayNumber":{"type":["null","number"]},"chineseZodiacElement":{"type":["null","string"]},"koreanTraditionalAge":{"type":["null","number"]},"nextBirthdayIfMarch1":{"type":["null","string"]},"daysUntilNextBirthday":{"type":["null","number"]},"nextBirthdayIsLeapDayAbsent":{"type":["boolean","null"]}}}}}}},"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_V5yDocB_SCXaoLs-Cncka","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":"Returns a comprehensive age profile for a birth date including years/months/days lived, Korean/East Asian ages, next birthday with leap-day handling, and Chinese zodiac.","exampleAgentPrompt":"How old am I in years, months, and days if I was born on 1990-07-15? Also tell me my Korean age, Chinese zodiac animal, and when my next birthday falls.","exampleUseCases":[{"title":"Korean age lookup for a user","prompt":"My user was born on 1995-03-22 — can you tell them their Korean age and traditional Korean age as of today, plus what their Chinese zodiac animal and element are?"},{"title":"Leap day birthday next occurrence","prompt":"I was born on February 29, 1992 — when is my next official birthday and which weekday will it fall on? And how many days until then?"},{"title":"Total days and weeks lived milestone","prompt":"Tell me exactly how many days and weeks I've been alive as of today — my birthday is 1985-11-04. Also include my Chinese zodiac sign."}],"resultDescription":"A JSON object containing: age broken down into years, months, and remaining days; total months, weeks, and days lived; international age; Korean year age and Korean traditional age; birth weekday; next birthday date and weekday; days until next birthday; whether today is the birthday; whether the birth date is a leap day; next birthday if March 1 is used for leap-day birthdays; Chinese zodiac animal, element, and year; and the Julian day number of the birth date.","failureModes":["Missing required 'birth' query parameter returns an error","Invalid date format (not YYYY-MM-DD) causes a parse error","Future birth dates may return unexpected or null values","Invalid 'asOf' reference date format returns an error","Network or payment failure returns a 402 or 5xx response"],"whenToPreferThis":"Use this endpoint when you need a rich, culturally-aware age profile that goes beyond simple year counting — especially when Korean or East Asian age conventions, Chinese zodiac information, leap-day birthday handling, or total days/weeks lived are needed. Prefer this over generic date-difference utilities when the user wants multiple age representations in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T14:25:18.790Z","isFirstParty":false,"canonicalSlug":"calendar-systems-age-profile-b04ac50d"}