Cal.com
name: calcom
by byungkyu · published 2026-03-22
$ claw add gh:byungkyu/byungkyu-cal-com---
name: calcom
description: |
Cal.com API integration with managed OAuth. Create and manage event types, bookings, schedules, and availability.
Use this skill when users want to manage scheduling, create bookings, configure event types, or check availability.
For other third party apps, use the api-gateway skill (https://clawhub.ai/byungkyu/api-gateway).
Requires network access and valid Maton API key.
metadata:
author: maton
version: "1.0"
clawdbot:
emoji: 🧠
homepage: "https://maton.ai"
requires:
env:
- MATON_API_KEY
---
# Cal.com
Access the Cal.com API with managed OAuth authentication. Create and manage event types, bookings, schedules, calendars, and webhooks.
Quick Start
# Get your profile
python3 <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/cal-com/v2/me')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOFBase URL
https://gateway.maton.ai/cal-com/v2/{resource}Replace `{resource}` with the Cal.com API endpoint path. The gateway proxies requests to `api.cal.com` and automatically injects your OAuth token.
Authentication
All requests require the Maton API key in the Authorization header:
Authorization: Bearer $MATON_API_KEY**Environment Variable:** Set your API key as `MATON_API_KEY`:
export MATON_API_KEY="YOUR_API_KEY"Getting Your API Key
1. Sign in or create an account at [maton.ai](https://maton.ai)
2. Go to [maton.ai/settings](https://maton.ai/settings)
3. Copy your API key
Connection Management
Manage your Cal.com OAuth connections at `https://ctrl.maton.ai`.
List Connections
python3 <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections?app=cal-com&status=ACTIVE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOFCreate Connection
python3 <<'EOF'
import urllib.request, os, json
data = json.dumps({'app': 'cal-com'}).encode()
req = urllib.request.Request('https://ctrl.maton.ai/connections', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOFGet Connection
python3 <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF**Response:**
{
"connection": {
"connection_id": "4481afaa-03e4-4b2d-a1c6-7daaf4bff512",
"status": "ACTIVE",
"creation_time": "2026-02-12T22:52:17.140998Z",
"last_updated_time": "2026-02-12T22:55:20.376189Z",
"url": "https://connect.maton.ai/?session_token=...",
"app": "cal-com",
"metadata": {}
}
}Open the returned `url` in a browser to complete OAuth authorization.
Delete Connection
python3 <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}', method='DELETE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOFSpecifying Connection
If you have multiple Cal.com connections, specify which one to use with the `Maton-Connection` header:
python3 <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://gateway.maton.ai/cal-com/v2/me')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Maton-Connection', '4481afaa-03e4-4b2d-a1c6-7daaf4bff512')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOFIf omitted, the gateway uses the default (oldest) active connection.
API Reference
User Profile
#### Get Profile
GET /cal-com/v2/me**Response:**
{
"status": "success",
"data": {
"id": 2152180,
"email": "user@example.com",
"name": "User Name",
"avatarUrl": "https://...",
"bio": "",
"timeFormat": 12,
"defaultScheduleId": null,
"weekStart": "Sunday",
"timeZone": "America/New_York"
}
}#### Update Profile
PATCH /cal-com/v2/me
Content-Type: application/json
{
"bio": "Updated bio",
"name": "New Name"
}Event Types
#### List Event Types
GET /cal-com/v2/event-typesWith username filter:
GET /cal-com/v2/event-types?username={username}**Response:**
{
"status": "success",
"data": {
"eventTypeGroups": [
{
"teamId": null,
"bookerUrl": "https://cal.com",
"profile": {
"slug": "username",
"name": "User Name"
},
"eventTypes": [
{
"id": 4716831,
"title": "30 min meeting",
"slug": "30min",
"length": 30,
"hidden": false
}
]
}
]
}
}#### Get Event Type
GET /cal-com/v2/event-types/{eventTypeId}#### Create Event Type
POST /cal-com/v2/event-types
Content-Type: application/json
{
"title": "Meeting",
"slug": "meeting",
"length": 30
}**Required fields:**
**Response:**
{
"status": "success",
"data": {
"id": 4745911,
"title": "Meeting",
"slug": "meeting",
"length": 30,
"locations": [{"type": "integrations:daily"}],
"hidden": false,
"userId": 2152180
}
}#### Update Event Type
PATCH /cal-com/v2/event-types/{eventTypeId}
Content-Type: application/json
{
"title": "Updated Meeting Title",
"description": "Updated description"
}#### Delete Event Type
DELETE /cal-com/v2/event-types/{eventTypeId}Event Type Webhooks
#### List Webhooks
GET /cal-com/v2/event-types/{eventTypeId}/webhooks#### Create Webhook
POST /cal-com/v2/event-types/{eventTypeId}/webhooks
Content-Type: application/json
{
"subscriberUrl": "https://example.com/webhook",
"triggers": ["BOOKING_CREATED"],
"active": true
}**Available triggers:** `BOOKING_CREATED`, `BOOKING_RESCHEDULED`, `BOOKING_CANCELLED`, `BOOKING_CONFIRMED`, `BOOKING_REJECTED`, `BOOKING_REQUESTED`, `BOOKING_PAYMENT_INITIATED`, `BOOKING_NO_SHOW_UPDATED`, `MEETING_ENDED`, `MEETING_STARTED`, `RECORDING_READY`, `INSTANT_MEETING`, `RECORDING_TRANSCRIPTION_GENERATED`
#### Get Webhook
GET /cal-com/v2/event-types/{eventTypeId}/webhooks/{webhookId}#### Update Webhook
PATCH /cal-com/v2/event-types/{eventTypeId}/webhooks/{webhookId}
Content-Type: application/json
{
"active": false
}#### Delete Webhook
DELETE /cal-com/v2/event-types/{eventTypeId}/webhooks/{webhookId}Bookings
#### List Bookings
GET /cal-com/v2/bookingsWith filters:
GET /cal-com/v2/bookings?status=upcoming
GET /cal-com/v2/bookings?status=past
GET /cal-com/v2/bookings?status=cancelled
GET /cal-com/v2/bookings?status=accepted
GET /cal-com/v2/bookings?take=10**Response:**
{
"status": "success",
"data": {
"bookings": [
{
"id": 15893969,
"uid": "gZJNR7FQG2qLsBqnFdxAPE",
"title": "30 min meeting between User and Guest",
"startTime": "2026-02-13T17:00:00.000Z",
"endTime": "2026-02-13T17:30:00.000Z",
"status": "ACCEPTED"
}
],
"totalCount": 1,
"nextCursor": null
}
}#### Get Booking
GET /cal-com/v2/bookings/{bookingUid}#### Create Booking
POST /cal-com/v2/bookings
Content-Type: application/json
{
"eventTypeId": 4716831,
"start": "2026-02-13T17:00:00Z",
"timeZone": "America/New_York",
"language": "en",
"responses": {
"name": "Guest Name",
"email": "guest@example.com"
},
"metadata": {}
}**Required fields:**
**Response:**
{
"status": "success",
"data": {
"id": 15893969,
"uid": "gZJNR7FQG2qLsBqnFdxAPE",
"title": "30 min meeting between User and Guest Name",
"startTime": "2026-02-13T17:00:00.000Z",
"endTime": "2026-02-13T17:30:00.000Z",
"status": "ACCEPTED",
"location": "integrations:daily"
}
}#### Cancel Booking
POST /cal-com/v2/bookings/{bookingUid}/cancel
Content-Type: application/json
{
"cancellationReason": "Reason for cancellation"
}Schedules
#### Get Default Schedule
GET /cal-com/v2/schedules/default#### Get Schedule
GET /cal-com/v2/schedules/{scheduleId}#### Create Schedule
POST /cal-com/v2/schedules
Content-Type: application/json
{
"name": "Work Hours",
"timeZone": "America/New_York",
"isDefault": false
}**Response:**
{
"status": "success",
"data": {
"id": 1243030,
"name": "Work Hours",
"isManaged": false,
"workingHours": [
{
"days": [1, 2, 3, 4, 5],
"startTime": 540,
"endTime": 1020
}
]
}
}#### Update Schedule
PATCH /cal-com/v2/schedules/{scheduleId}
Content-Type: application/json
{
"name": "Updated Schedule Name"
}#### Delete Schedule
DELETE /cal-com/v2/schedules/{scheduleId}Availability Slots
#### Get Available Slots
GET /cal-com/v2/slots/available?eventTypeId={eventTypeId}&startTime={startTime}&endTime={endTime}**Parameters:**
**Response:**
{
"status": "success",
"data": {
"slots": {
"2026-02-13": [
{"time": "2026-02-13T17:00:00.000Z"},
{"time": "2026-02-13T17:30:00.000Z"},
{"time": "2026-02-13T18:00:00.000Z"}
],
"2026-02-14": [
{"time": "2026-02-14T14:00:00.000Z"}
]
}
}
}#### Reserve Slot
POST /cal-com/v2/slots/reserve
Content-Type: application/json
{
"eventTypeId": 4716831,
"slotUtcStartDate": "2026-02-20T14:00:00Z",
"slotUtcEndDate": "2026-02-20T14:30:00Z"
}**Response:**
{
"status": "success",
"data": "968ed924-83fb-4da7-969e-eaa621643535"
}Calendars
#### List Connected Calendars
GET /cal-com/v2/calendars**Response:**
{
"status": "success",
"data": {
"connectedCalendars": [
{
"integration": {
"name": "Google Calendar",
"type": "google_calendar"
},
"calendars": [...]
}
]
}
}Conferencing
#### List Conferencing Apps
GET /cal-com/v2/conferencing**Response:**
{
"status": "success",
"data": [
{
"id": 1769268,
"type": "google_video",
"appId": "google-meet"
}
]
}#### Get Default Conferencing App
GET /cal-com/v2/conferencing/defaultWebhooks (User-level)
#### List Webhooks
GET /cal-com/v2/webhooks#### Create Webhook
POST /cal-com/v2/webhooks
Content-Type: application/json
{
"subscriberUrl": "https://example.com/webhook",
"triggers": ["BOOKING_CREATED"],
"active": true
}#### Get Webhook
GET /cal-com/v2/webhooks/{webhookId}#### Update Webhook
PATCH /cal-com/v2/webhooks/{webhookId}
Content-Type: application/json
{
"active": false
}#### Delete Webhook
DELETE /cal-com/v2/webhooks/{webhookId}Teams
#### List Teams
GET /cal-com/v2/teamsVerified Resources
#### List Verified Emails
GET /cal-com/v2/verified-resources/emailsPagination
Bookings use cursor-based pagination with `take` and `nextCursor`:
GET /cal-com/v2/bookings?take=10Response includes pagination info:
{
"data": {
"bookings": [...],
"totalCount": 25,
"nextCursor": "abc123"
}
}For next page:
GET /cal-com/v2/bookings?take=10&cursor=abc123Code Examples
JavaScript
const response = await fetch(
'https://gateway.maton.ai/cal-com/v2/event-types',
{
headers: {
'Authorization': `Bearer ${process.env.MATON_API_KEY}`
}
}
);
const data = await response.json();Python
import os
import requests
response = requests.get(
'https://gateway.maton.ai/cal-com/v2/event-types',
headers={'Authorization': f'Bearer {os.environ["MATON_API_KEY"]}'}
)
data = response.json()Notes
Error Handling
| Status | Meaning |
|--------|---------|
| 400 | Missing Cal.com connection or invalid request |
| 401 | Invalid or missing Maton API key |
| 404 | Resource not found |
| 409 | Conflict (duplicate resource) |
| 429 | Rate limited |
| 500 | Cal.com API error |
Troubleshooting: API Key Issues
1. Check that the `MATON_API_KEY` environment variable is set:
echo $MATON_API_KEY2. Verify the API key is valid by listing connections:
python3 <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOFTroubleshooting: Invalid App Name
1. Ensure your URL path starts with `cal-com`. For example:
Troubleshooting: Booking Creation Fails
1. Check available slots before creating a booking:
GET /cal-com/v2/slots/available?eventTypeId={id}&startTime=...&endTime=...2. Ensure all required fields are provided:
- `eventTypeId`
- `start` (must match an available slot)
- `timeZone`
- `language`
- `responses.name`
- `responses.email`
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