{"uid":"cap_CUZjmzqSZhXoFnmgfmctI","slug":"manylives-free-slots-calculator-8baeb07f","name":"ManyLives Free Slots Calculator","description":"Pay-per-call tools for people building AI agents: live web search and page contents, point-in-time crypto market data and news for backtests (no lookahead), verifiable track records of 1,000 crypto strategies locked on the Base network, company profiles, quick AI and batch prices. Ask us to turn a public website into a JSON endpoint. Pay per call, no account, free trial.","url":"https://api.manylives.me/paid/calendar/free-slots?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"busy":{"type":"string","examples":[[{"end":"2026-11-02 11:00","start":"2026-11-02 10:00"}]],"description":"existing bookings [{start, end}]: ISO times with offset, or local 'YYYY-MM-DD HH:MM'"},"days":{"type":"string","examples":[3],"description":"optional 1-31 (default 7)"},"from":{"type":"string","examples":["2026-11-02"],"description":"optional first local date YYYY-MM-DD (default today there)"},"hours":{"type":"string","examples":[{"fri":"09:00-17:00","mon":"09:00-17:00","sat":"09:00-12:00","sun":"closed","thu":"09:00-17:00","tue":"09:00-12:00,13:00-17:00","wed":"09:00-17:00"}],"description":"weekly hours, e.g. {\"mon\": \"09:00-17:00\", \"tue\": \"09:00-12:00,13:00-17:00\", \"sun\": \"closed\"} (required; missing days are closed)"},"timezone":{"type":"string","examples":["Australia/Sydney"],"description":"IANA time zone, e.g. Australia/Sydney (required)"},"max_slots":{"type":"string","description":"optional 1-500 (default 100)"},"closed_dates":{"type":"string","description":"optional ['2026-12-24', ...]"},"step_minutes":{"type":"string","description":"optional slot spacing 5-120 (default 15)"},"buffer_minutes":{"type":"string","examples":[15],"description":"optional gap kept before and after bookings (default 0)"},"duration_minutes":{"type":"string","examples":[45],"description":"service length, 5-480 (required)"},"holidays_country":{"type":"string","description":"optional 2-letter code to close on national public holidays"},"min_notice_minutes":{"type":"string","description":"optional earliest bookable time from now (default 0)"}}},"responseSchema":{"type":"json","example":{"slots":[{"weekday":"Wed","end_local":"2026-10-14 09:45","start_utc":"2026-10-13T22:00:00.000Z","start_local":"2026-10-14 09:00"}],"closed":[{"why":"closed on Sundays","date":"2026-10-18"}],"per_day":{"2026-10-14":9},"timezone":"Australia/Sydney"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_L4_GCmV0Vyr0GdgOqMiLo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates available appointment slots from weekly hours and existing bookings, respecting buffers, holidays, and timezone","exampleAgentPrompt":"Find me all open 45-minute appointment slots for the next 5 days starting 2026-11-03, given my business hours Monday to Friday 09:00-17:00, with a 15-minute buffer around bookings, in the America/New_York timezone — I already have a booking from 10:00 to 11:00 on November 4th.","exampleUseCases":[{"title":"Booking page for a freelance consultant","prompt":"I need to show clients available 60-minute slots for the next 7 days starting today. My hours are Mon-Fri 09:00-18:00, with a 15-minute buffer before and after each session, in the Europe/London timezone. I already have calls booked from 10:00-11:00 and 14:00-15:00 on Monday. What slots are free?"},{"title":"Auto-scheduling for a medical clinic","prompt":"Calculate open 30-minute appointment slots for the next 3 days from 2026-11-10, for a clinic in Australia/Sydney open Mon-Sat 08:00-17:00 (closed Sundays), with a 10-minute buffer around each booking and Australian national holidays blocked. Existing bookings: Nov 10 09:00-09:30 and Nov 11 13:00-13:30."},{"title":"AI agent booking assistant for a hair salon","prompt":"What 45-minute slots are available at my salon over the next 5 days starting 2026-11-03? We're open Tuesday through Saturday 10:00-19:00 and closed on Sundays and Mondays, with a 15-minute buffer between appointments, in the America/Chicago timezone. We have bookings on Nov 3 at 10:00-10:45 and Nov 5 at 14:00-14:45."}],"resultDescription":"Returns a JSON object with: a list of available slots (each with start_local, end_local, start_utc, and weekday), a list of closed dates with reasons (e.g. closed on Sundays, public holidays), a per-day count of available slots, and the timezone used.","failureModes":["Missing required fields (timezone, hours, duration_minutes) return an error","Invalid IANA timezone string causes rejection","Malformed busy booking timestamps cause parsing errors","Requesting more than 500 max_slots returns a validation error","Invalid step_minutes outside 5-120 range causes rejection","All requested days are closed or fully booked returns empty slots array"],"whenToPreferThis":"Use this endpoint when you need to compute available appointment slots server-side from a set of weekly hours and existing bookings, without requiring a full calendar integration. Ideal for AI scheduling agents, booking widgets, or any workflow where you pass raw availability rules and busy times and need structured free-slot output with timezone-correct UTC and local times. Prefer over calendar API integrations when you don't need to read/write events directly from Google Calendar or Outlook.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T12:30:08.083Z","isFirstParty":false,"canonicalSlug":"manylives-free-slots-calculator-8baeb07f"}