Cal.com Sandbox

Cal.com, in every form factor.

A growing collection of live, copy-pasteable examples showing how Cal.com fits into your product — from drop-in embeds to fully custom booking flows built on the platform API.

Embeds

2
Popup embed
Launch the booker in a modal from any trigger.
Inline embed
Drop the booker directly into your page.

API

1
Custom booking UI
Fetch available time slots for an event type via API and render a custom booking UI.

Concepts

4
Credit-based bookings
Architecture pattern for gating Cal.com bookings on your own credit or billing system, then settling the charge via webhook.
Sync EHR availability
Mirror doctor shifts from a 3rd-party EHR into a Cal.com schedule with a small sync microservice and the schedules API.
Custom room assignments
Architecture pattern for assigning physical rooms to bookings — a webhook-driven service that runs your own room-scheduling logic and patches the booking location via the Cal.com API.
SMS opt-in confirmations
Confirm or cancel pending bookings with a YES/NO SMS exchange. Webhook-driven service that handles the SMS round-trip and calls the Cal.com confirm or cancel endpoint.