{"uid":"cap_AgB8nDELkTVb3ej52af0-","slug":"calendar-availability-api-d21395e6","name":"Calendar Availability API","description":"Calendar & scheduling for AI agents","url":"https://beautiful-nature-production-a883.up.railway.app/availability?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"busy":[{"end":"2026-10-15T11:00:00Z","start":"2026-10-15T10:00:00Z","title":"Standup"}],"free":[{"end":"2026-10-15T10:00:00Z","start":"2026-10-15T09:00:00Z"},{"end":"2026-10-15T12:00:00Z","start":"2026-10-15T11:00:00Z"}]}},"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_8-cG1tZfjjs_NbhnYCPTW","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":"Returns busy and free time slots for a calendar, given a time range query","exampleAgentPrompt":"Can you check my calendar for October 15th and show me which time slots are free and which are already booked?","exampleUseCases":[{"title":"Meeting scheduling for a team","prompt":"What times are free on my calendar tomorrow between 9am and 5pm? I need to find a slot for a one-hour team meeting."},{"title":"Personal availability check before booking","prompt":"Before I confirm this appointment, can you check if I have any conflicts on Friday October 15th from 10am to noon?"},{"title":"Daily agenda overview for an AI assistant","prompt":"Pull up my calendar for today and tell me what's busy and what's open so I can plan out my day."}],"resultDescription":"A JSON object with two arrays: 'busy' (list of occupied time blocks with start, end, and event title) and 'free' (list of available time blocks with start and end timestamps), both in ISO 8601 UTC format.","failureModes":["Missing or malformed request body returns an error","Invalid date/time format may cause parsing failures","No time range specified may return empty or default results","Service unavailability on Railway hosting infrastructure","Payment failure via x402 protocol blocks the request"],"whenToPreferThis":"Use this endpoint when an AI agent needs to determine calendar availability — specifically when you need structured busy/free slot data returned in a machine-readable format. It is well-suited for scheduling automation flows where the agent must check conflicts before proposing or booking meeting times.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T06:34:20.952Z","isFirstParty":false,"canonicalSlug":"calendar-availability-api-d21395e6"}