Cal.com Cal Unified Calendars API

The Cal Unified Calendars API from Cal.com — 8 operation(s) for cal unified calendars.

Operations 15

GET /v2/calendars/connections List calendar connections #
GET /v2/calendars/connections/{connectionId}/events List events for a connection #
POST /v2/calendars/connections/{connectionId}/events Create event on a connection #
GET /v2/calendars/connections/{connectionId}/events/{eventId} Get event for a connection #
PATCH /v2/calendars/connections/{connectionId}/events/{eventId} Update event for a connection #
DELETE /v2/calendars/connections/{connectionId}/events/{eventId} Delete event for a connection #
GET /v2/calendars/connections/{connectionId}/freebusy Get free/busy for a connection #
GET /v2/calendars/{calendar}/events/{eventUid} Get meeting details from calendar #
PATCH /v2/calendars/{calendar}/events/{eventUid} Update meeting details in calendar #
DELETE /v2/calendars/{calendar}/events/{eventUid} Delete a calendar event #
GET /v2/calendars/{calendar}/event/{eventUid} Get meeting details from calendar #
PATCH /v2/calendars/{calendar}/event/{eventUid} Update meeting details in calendar #
GET /v2/calendars/{calendar}/events List calendar events #
POST /v2/calendars/{calendar}/events Create a calendar event #
GET /v2/calendars/{calendar}/freebusy Get free/busy times #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/cal-com-cal-unified-calendars-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

cal-com-cal-unified-calendars-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Cal.diy API v2 Cal Unified Calendars API
  description: ''
  version: 1.0.0
  contact: {}
servers: []
tags:


# --- truncated at 32 KB (33 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/cal-com/refs/heads/main/openapi/cal-com-cal-unified-calendars-api-openapi.yml