Connect Calendly to ElevenLabs Conversational AI Voice Agents

Enable your AI voice agents to handle real-time appointment scheduling through natural voice conversations

Setup time

10-15mins

Difficulty

Intermediate

Category

Scheduling & Communication

Type

API

Let your AI Voice Agents Handle Scheduling with Calendly

Transform your conversational AI platform with seamless appointment booking capabilities. The Calendly integration empowers your AI voice agents to schedule, modify, and manage appointments in real-time during voice calls – eliminating the friction of traditional scheduling workflows.

Key Integration Benefits:

  • Real-time voice scheduling during live conversations
  • Instant calendar availability checks via Calendly's robust API
  • Automated confirmation and reminder workflows
  • Multilingual scheduling support for global customer bases
  • Enterprise-grade security with HIPAA-eligible deployment options

This integration is designed for developer-led platforms building AI voice agents that need to scale scheduling conversations without scaling headcount. Your agents can now handle complex scheduling scenarios with the same efficiency as your best human representatives – but available 24/7 in multiple languages.

Features

Integrations features

Comprehensive scheduling capabilities that scale with your AI voice agent platform

Real-Time Appointment Booking

  • Live calendar availability checks during voice conversations
  • Instant booking confirmation without call transfers
  • Support for multiple calendar types and time zones
  • Reduces booking friction from minutes to seconds

Calendar Synchronization & Management

  • Bidirectional sync with Google Calendar, Outlook, and other platforms
  • Automatic conflict detection and resolution
  • Real-time updates across all connected systems
  • Maintains data consistency across your entire tech stack

Intelligent Rescheduling & Cancellation

  • Voice-driven appointment modifications
  • Automated rebooking with alternative time suggestions
  • Cancellation handling with confirmation workflows
  • Reduces support overhead for routine scheduling changes

Multi-Language Scheduling Support

  • Native scheduling conversations in multiple languages
  • Localized time zone handling and formatting
  • Cultural context awareness for scheduling preferences
  • Expands your platform's global reach without additional development

Enterprise API Integration

  • RESTful API calls with sub-second response times
  • Webhook support for real-time event notifications
  • Custom field mapping for CRM and support system integration
  • Scalable architecture handling high-volume booking requests

Installation

Installation guides

Step 1: API Authentication Setup

Generate your Calendly API Token

  • Log into your Calendly account and navigate to Integrations
  • Select API & Webhooks from the integration options
  • Click Create Personal Access Token
  • Name your token for ElevenLabs integration
  • Copy and save the generated API token securely

Store API Credentials in ElevenLabs

  • Access your ElevenLabs Console
  • Navigate to Settings then Secrets Manager
  • Create new secret named CALENDLY_API_KEY
  • Paste your Calendly personal access token as the value
  • Save the secret for use in webhook tools

Step 2: ElevenLabs Integration Configuration

Create Scheduling Tools in Your Agent

  • Go to Tools section in your ElevenLabs agent dashboard
  • Click Create New Tool and select Webhook type
  • Configure each tool with proper Calendly endpoints

Check Availability Tool

  • Name: check_calendly_availability
  • Description: Retrieves available time slots for scheduling
  • Method: GET
  • URL: https://api.calendly.com/event_types
  • Add Authorization header and select CALENDLY_API_KEY from securely stored secrets

Create Booking Tool

  • Name: create_calendly_booking
  • Description: Books an appointment in Calendly
  • Method: POST
  • URL: https://api.calendly.com/scheduled_events
  • Add Authorization header and select CALENDLY_API_KEY from securely stored secrets
  • Add Content-Type header with value application/json

Cancel Appointment Tool

Troubleshooting

Troubleshooting & support

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Contact support

The most realistic voice AI platform