Cal.com API

Scheduling & Appointments

Open-source scheduling infrastructure API to embed calendar bookings into custom apps

Cal.com API Highlights

Cal.com API is best for startups, marketplaces, and platforms needing to embed custom scheduling and calendar booking into their UI

Last Verified

Authentication

API Key (Bearer Token: cal_live_...)

Rate Limit

Scalable cloud API with generous developer rate limits

Sandbox Mode
✓ Available
Webhooks
Not verified yet
Supported Regions
NigeriaNigeriaGhanaGhanaKenyaKenya
Alternative African Company to

com is the open-source scheduling infrastructure platform and leading developer-friendly alternative to Calendly. com Platform (v2 API), software developers can embed white-labeled scheduling, calendar availability checks, and appointment booking flows directly into their own applications.

com, applications can sync bidirectional availability across Google Calendar, Outlook, and Apple Calendar, configure round-robin team scheduling, handle timezone calculations automatically, and trigger webhooks when meetings are booked or rescheduled. It offers drop-in React and Vanilla JS embed libraries.

Cal.com API Core Features & Capabilities

FeatureStatusDescription & Capabilities
Real-time Availability & Pricing✓ SupportedProvides native Real-time Availability & Pricing capabilities integrated within the API.
Reservation Management (Create / Cancel / Modify)✓ SupportedProvides native Reservation Management (Create / Cancel / Modify) capabilities integrated within the API.
Africa / Nigeria Route & Property Coverage✓ SupportedProvides native Africa / Nigeria Route & Property Coverage capabilities integrated within the API.
Flight Search & Booking✗ Not SupportedFlight Search & Booking is currently not supported by Cal.com API.
Hotel / Accommodation Search & Booking✗ Not SupportedHotel / Accommodation Search & Booking is currently not supported by Cal.com API.
Multi-city & Flexible-date Search✗ Not SupportedMulti-city & Flexible-date Search is currently not supported by Cal.com API.
Reviews & Ratings Data✗ Not SupportedReviews & Ratings Data is currently not supported by Cal.com API.
Affiliate / Commission Tracking✗ Not SupportedAffiliate / Commission Tracking is currently not supported by Cal.com API.
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API Pricing Model
  • Free Developer / Individual plan:Unlimited event types and bookings
  • Cal.com Platform / Enterprise plans available with white-label API booking infrastructure
  • Completely open source

Required Access Documents for Cal.com API

  • Cal.com AccountRequired
    Register at app.cal.com to create an API key in developer settings

Different Cal.com API use cases

  • Telehealth & Doctor Consultations:Allow patients to book virtual doctor appointments based on real-time doctor availability.
  • Recruitment & Candidate Interviews:Automate interview booking for job applicants across hiring managers' calendars.
  • SaaS Sales Demo Scheduling:Embed instant sales discovery call scheduling directly into your marketing website.

Cal.com API Alternatives