iCalendar ICS Event Generator

x402

iCalendar ICS Event Generator is a paid API for AI agents from api.kakerapetit.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).

Generates a standards-compliant iCalendar (.ics) event file from structured event details including title, time, timezone, attendees, and location, returning both the ICS content and a unique event UID.

Price / call$0.002

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StatusUnknown

How this service works

Generate a calendar invite (.ics file) from event details. Returns a valid RFC 5545 iCalendar VEVENT with title, start and end time, timezone, location, and attendees that can be emailed or imported into Google Calendar, Outlook, or Apple Calendar. Use when an agent needs to schedule a meeting or send a calendar invitation.

Output

Returns a standards-compliant iCalendar (.ics) text payload that can be attached to emails or imported into calendar apps, along with a unique event UID (UUID) identifying the event. The ICS content includes SUMMARY, DTSTART, DTEND, LOCATION, DESCRIPTION, and ATTENDEE fields per the iCalendar RFC.

Example use cases

Example prompt

“Generate an ICS calendar event file for a team standup called 'Q3 Planning Kickoff' on July 15, 2026 from 10:00 AM to 11:00 AM Pacific time, held at https://zoom.us/j/123456789, and invite alice@example.com and bob@example.com.”

Technical details

Endpoint

POSThttps://api.kakerapetit.dev/v1/calendar/ics

When to prefer

Use this endpoint when you need to programmatically generate a standards-compliant .ics calendar file for distribution, embedding in emails, or importing into calendar applications. Ideal for automated scheduling workflows, meeting invitation systems, or any agent pipeline that needs to produce shareable calendar events without relying on a full calendar platform API.

Side effects

Invalid ISO 8601 datetime format for start or end returns a 400 error
End datetime before start datetime returns a validation error
Malformed attendee email address fails schema validation
Missing required fields (title, start, end) results in a 400 bad request
Payment not included or insufficient USDC results in 402 Payment Required

Input

Schema · Request body

Field	Type	Description
end	string	Event end as ISO 8601 datetime. Must be after start.
start	string	Event start as ISO 8601 datetime, e.g. 2026-07-15T10:00:00-07:00.
title	string	Event title (SUMMARY).
location	string	Optional location or meeting URL.
timezone	string	Optional IANA timezone (e.g. America/Los_Angeles) used when start/end have no UTC offset.
attendees	array	Optional attendee email addresses (ATTENDEE lines).
description	string	Optional event description body.

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