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Cal ID turns a single link into confirmed bookings: connect your calendar, set your availability, and let people book time that actually works — while Cal ID handles confirmations, reminders, routing, and payments. This help center takes you from your first booking all the way to the developer API.
Looking for something specific? Search any page with  K (or Ctrl K), or Ask the Assistant from the top bar for an instant, AI-powered answer.

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Complete your onboarding

Sign up, connect a calendar, and get your account ready in minutes.

Share your booking link

Find your personal cal.id link and share it anywhere.

See how booking works

Watch a meeting get booked from your invitee’s point of view.

Switch from Calendly

Bring your event types, availability, and bookings across in a few clicks.

Set your availability

Define the hours you’re bookable and protect your personal time.

Create an event type

Build a reusable meeting others can book with one link.

Add buffers

Put breathing room before and after your meetings.

Get paid for bookings

Collect payment through Stripe, Razorpay, or PayPal at checkout.

Round-robin for teams

Distribute bookings fairly across your team.

Reminders & workflows

Automate email, SMS, and WhatsApp nudges to cut no-shows.

Explore by area

Event Types

Reusable meeting templates with their own durations, questions, limits, and locations.

Availability

Working hours, buffers, date overrides, and out-of-office.

Teams

Shared availability with round-robin and collective scheduling.

Apps & Integrations

Calendars, video, payments, and automation tools.

Workflows

Automated reminders and follow-ups over email, SMS, and WhatsApp.

Customization

Brand your booking pages with logos, colors, and banners.

Build with the API

API Reference

Every endpoint with schemas and a live “Try it” playground against api.cal.id.

Developer guides

Task recipes — create a booking, build a webhook receiver, manage teams, and more.

Need help?

Can’t find your answer? Ask the Assistant at the top of any page for an instant response, or reach a human — email us at support@cal.id.