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Cal.com’s App Store offers 100+ integrations to streamline your scheduling workflow. Connect calendars, video conferencing platforms, payment processors, and productivity tools to create a seamless booking experience.

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Integration categories

Calendar apps

Sync with Google Calendar, Outlook, Apple Calendar, and more to check availability and create events automatically.

Video conferencing

Generate meeting links for Zoom, Google Meet, MS Teams, and other platforms when bookings are confirmed.

Payment apps

Accept payments through Stripe, PayPal, and other processors for paid bookings and events.

App Store

Browse the full catalog of CRM, analytics, automation, and other integrations.

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How integrations work

Integrations in Cal.com are modular apps that extend your scheduling functionality:
1

Connect your account

Install an integration from the App Store and authenticate with OAuth or API credentials.
2

Configure settings

Set up integration-specific options like calendar selection, payment amounts, or meeting preferences.
3

Use in event types

Enable integrations per event type to control which bookings use which services.
4

Automatic sync

Cal.com handles the rest - creating events, generating links, processing payments automatically.

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Calendar sync

  • Google Calendar - Two-way sync with Google Workspace
  • Outlook Calendar - Microsoft 365 and Exchange integration
  • Apple Calendar - iCloud calendar support
  • CalDAV - Connect any CalDAV-compatible calendar

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Video conferencing

  • Zoom - Generate Zoom meeting links automatically
  • Google Meet - Create Meet rooms for bookings
  • MS Teams - Microsoft Teams integration (requires work/school account)
  • Cal Video - Built-in video powered by Daily.co

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Payment processing

  • Stripe - Accept credit cards, digital wallets, and bank transfers
  • PayPal - Process payments through PayPal
  • Alby - Accept Bitcoin payments via Lightning Network

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CRM and automation

  • HubSpot - Sync contacts and deals
  • Salesforce - Enterprise CRM integration
  • Zapier - Connect to 5000+ apps
  • Make - Advanced workflow automation

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Integration architecture

All integrations are located in packages/app-store/ in the Cal.com monorepo: 
packages/app-store/
├── googlecalendar/       # Individual app packages
│   ├── _metadata.ts      # App configuration
│   ├── api/              # OAuth and API handlers
│   ├── lib/              # Core functionality
│   └── static/           # Icons and assets
├── zoomvideo/
├── stripepayment/
└── ...
Each integration is a self-contained package with its own metadata, API endpoints, and business logic.

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Authentication types

Integrations use different authentication methods:
  • OAuth 2.0 - Most calendar and video apps (Google, Zoom, Microsoft)
  • API Keys - Payment processors and some SaaS tools
  • Static URLs - Simple video conferencing links (Whereby, FaceTime)
  • Username/Password - CalDAV and Exchange servers

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Managing integrations

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Installation

  1. Navigate to Settings > Apps in your Cal.com dashboard
  2. Browse categories or search for a specific integration
  3. Click “Install” and complete the authentication flow
  4. Configure integration-specific settings

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Per-event configuration

After installing an integration, enable it for specific event types:
  1. Edit an event type
  2. Go to the Apps tab
  3. Enable the integration and configure its settings
  4. Save your event type

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Disconnecting apps

To remove an integration:
  1. Go to Settings > Apps
  2. Find the installed integration
  3. Click “Disconnect” or “Uninstall”
  4. Confirm the removal
Disconnecting a calendar integration may affect availability checking. Disconnecting payment apps may prevent collecting payments on paid event types.

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Environment variables

Self-hosted instances require environment variables for certain integrations: 
# Google Calendar & Meet
GOOGLE_API_CREDENTIALS='{"web":{"client_id":"...","client_secret":"..."}}'

# Zoom
ZOOM_CLIENT_ID=your_zoom_client_id
ZOOM_CLIENT_SECRET=your_zoom_client_secret

# Stripe
STRIPE_CLIENT_ID=your_stripe_client_id
NEXT_PUBLIC_STRIPE_PUBLIC_KEY=your_stripe_public_key
STRIPE_PRIVATE_KEY=your_stripe_private_key

# Daily.co (Cal Video)
DAILY_API_KEY=your_daily_api_key
Cal.com Cloud users don’t need to configure environment variables - all integrations work out of the box.

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Building custom integrations

Developers can create custom integrations using the app-store CLI: 
cd packages/app-store
yarn app-store:create
Follow the prompts to scaffold a new integration with:
  • Metadata configuration
  • OAuth flow (if needed)
  • API endpoint handlers
  • UI components
  • Type definitions
See the App Store CONTRIBUTING.md for detailed development guidelines.

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Next steps

Calendar apps

Set up two-way calendar sync

Video conferencing

Connect video platforms

Payment apps

Accept payments for bookings

App Store

Browse all integrations

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