{"uid":"cap_Hf8aM66LyL8ETBVhUWTbp","slug":"life-dates-milestones-round-number-days-alive-5163f5a4","name":"Life Dates & Milestones – Round-Number Days Alive","description":"Dates of round-number days alive (1,000, 5,000, 10,000, 25,000 and your own), with weekday and age on that day.","url":"https://life-dates.x402tookit.com/milestone-dates?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":["birthDate"],"properties":{"days":{"type":"string","description":"Comma-separated day counts, up to 20 (default 1000,5000,10000,15000,20000,25000,30000)"},"from":{"type":"string","description":"Date used to mark past or future, YYYY-MM-DD (default today, UTC)"},"birthDate":{"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"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"birthDate":{"type":["null","string"]},"disclaimer":{"type":["null","string"]},"milestones":{"type":["array","null"],"items":{"type":"object","properties":{"day":{"type":["null","number"]},"date":{"type":["null","string"]},"status":{"type":["null","string"]},"weekday":{"type":["null","string"]},"ageYears":{"type":["null","number"]},"daysFromNow":{"type":["null","number"]}}}},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"countedFrom":{"type":["null","string"]},"daysAliveToday":{"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_h0-seHwlHuwwyex9YN7_N","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":"Given a birth date, returns the calendar dates, weekdays, and ages for milestone day-counts alive (e.g. 1,000, 5,000, 10,000, 25,000 days), plus current days-alive count.","exampleAgentPrompt":"I was born on March 14, 1990 — can you tell me the exact dates when I hit my major day-alive milestones like 5,000, 10,000, 15,000, and 25,000 days, including what day of the week each falls on and how old I'll be?","exampleUseCases":[{"title":"Planning a 10,000-day birthday party","prompt":"My birthday is July 22, 1987 — when exactly is my 10,000th day alive, and what day of the week does it fall on? I want to plan a party around it."},{"title":"Finding a child's milestone days","prompt":"My daughter was born on November 5, 2015. Can you list all her major day-alive milestones — 1,000, 5,000, 10,000 days — including the dates, weekdays, and how old she'll be on each one?"},{"title":"Checking which milestones have already passed","prompt":"I was born on January 30, 1975. Which of my round-number day milestones are already in the past and which ones are still coming up? Include how many days ago or from now each one is."}],"resultDescription":"Returns an array of milestone objects, each with the target day count, the corresponding calendar date (YYYY-MM-DD), weekday name, age in years at that date, days from today (negative if past), and a status label (past/future). Also includes the birth date confirmed, total days alive today, and the reference date used.","failureModes":["Missing or invalid birthDate parameter returns an error","birthDate in incorrect format (not YYYY-MM-DD) causes parse failure","Invalid 'days' values (non-numeric, more than 20 entries) may be rejected","Future birth dates may return unexpected results","Network or payment (x402) failure results in no response"],"whenToPreferThis":"Choose this endpoint when you need to compute the calendar dates of specific round-number day-alive milestones for a person given their birth date. It is ideal for personal milestone celebration planning, age-in-days analytics, or curiosity about life day counts. Prefer it over generic date-difference calculators when you want pre-defined milestone sets with weekday and age annotations in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:08:27.729Z","isFirstParty":false,"canonicalSlug":"life-dates-milestones-round-number-days-alive-5163f5a4"}