BookUX
Custom Booking Systems

What Is an Appointment Scheduling API?

Bookux Team•

An appointment scheduling API is a programmatic interface for calendar and booking operations.

What It Enables

  • Check calendar availability
  • Create appointments
  • Update appointments
  • Cancel appointments
  • Manage contacts
  • Receive webhooks

Why Use an API?

Instead of embedding a widget, you can:

  • Build custom UI
  • Add qualification
  • Implement routing
  • Create AI booking
  • Integrate deeply

Common Providers

  • GoHighLevel Calendar API
  • Google Calendar API
  • Calendly API
  • Microsoft Graph API
  • Custom backends

Architecture

Your Website
  ↓
Your Backend
  ↓
Scheduling API
  ↓
Calendar System

Security

Never expose API credentials in frontend code.

All API calls go through your backend.

Bookux

Bookux builds custom booking experiences using scheduling APIs from various providers.

Related: How Appointment Scheduling APIs Work · Custom Booking System

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