Powerful Calendar API Automation for Modern Applications

Seamlessly integrate calendar functionality into your applications with our robust API. Automate scheduling, manage events, and synchronize across all major calendar platforms.

C

Calendar API

Real-time synchronization

Google Calendar ✓ Connected
Microsoft 365 ✓ Synced
Apple Calendar ✓ Active

Why Choose Calendar API?

Our calendar API service provides seamless automation for event management, scheduling, and calendar synchronization across multiple platforms.

Event Automation

Automatically create, update, and manage calendar events across multiple platforms with intelligent scheduling and conflict detection.

Real-time Sync

Keep your application data synchronized with calendar changes in real-time using webhooks and push notifications.

Enterprise Scale

Built for enterprise applications with 99.9% uptime guarantee, robust security, and unlimited API calls.

Explore Related Use Cases

See how leading companies use our Calendar API to transform their workflows

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Recruiter Dashboard
John D. Interview
Sarah M. Confirmed
Mike R. Follow-up

Automated Outreach

Quickly build contextual send and receive capabilities for recruitment, sales outreach, and customer engagement workflows.

M
Meeting with Team
Ethan W. replied: Can we start 5min earlier?
Anna L. confirmed attendance
You updated meeting location

Embedded Contextual Email

Power relationship-building conversations directly in your app with contextual email integration and smart notifications.

June 2024

30-minute meeting
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T
W
T
F
S
1
2
3
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Alan / Peter: 30-minute meeting

Calendar Management

Build frictionless calendar views and scheduling tools directly in your application with our comprehensive calendar SDK.

Developer-First API Documentation

Comprehensive documentation with interactive examples, SDKs for popular frameworks, and detailed guides to get you started in minutes.

Interactive API Explorer
SDKs for JavaScript, Python, PHP, Ruby
Comprehensive Code Examples
Webhook Integration Guides
// Quick Start Example
import
{ CalendarAPI }
from
'@calendar-api/sdk';

const
api =
new
CalendarAPI({
  apiKey: 'your-api-key'
});

// Create an event

const
event =
await
api.events.create({
  title: 'Team Meeting',
  start: '2024-01-15T10:00:00Z',
  end: '2024-01-15T11:00:00Z'
});

Flexible Pricing Plans

Choose the perfect plan for your needs. Scale as you grow.

Starter

Perfect for small applications and prototypes

  • 10,000 API calls/month
  • Basic calendar sync
  • Email support
Most Popular

Professional

Ideal for growing businesses and applications

  • 100,000 API calls/month
  • Advanced webhooks
  • Priority support

Enterprise

Custom solutions for large-scale applications

  • Unlimited API calls
  • Custom integrations
  • Dedicated support

Need a custom plan? Our specialists are ready to help you find the perfect solution for your needs.

Ready to Get Started?

Contact our sales team to discuss your requirements and get a custom quote

Calendar API FAQ

Common questions about our calendar integration service

What is the Unified Calendar API?

A Unified Calendar API allows developers to integrate multiple calendar providers (Google Calendar, Outlook, iCloud, etc.) into their applications with a single, consistent interface allowing to send invitations to events, manage schedules, and synchronize data across all major calendar platforms seamlessly.

Which calendar providers are supported?

We support Google Calendar, Microsoft Outlook (Office 365, Exchange, Outlook.com), and iCloud. Our API provides unified access to all these platforms with consistent data formats and methods.

Who is this API for?

It's designed for SaaS applications, productivity tools, CRMs, booking platforms, HR systems, and any app needing seamless multi-calendar integration. Perfect for developers building scheduling, appointment booking, or workflow automation features.

Do you provide SDKs or client libraries?

Yes, we offer an SDK for Node.js. SDKs for Python, PHP, and Java are also available. Each SDK includes comprehensive documentation, code examples, and TypeScript support for better development experience.

How do I authenticate calendar users?

We use OAuth 2.0 for Google and Microsoft calendars and App-Specific Passwords for iCloud. Our authentication flow is secure, user-friendly, and handles token refresh automatically.

Can I create, update, and delete calendar events?

Yes, you can CRUD (Create, Read, Update, Delete) events across all supported calendars. Our API provides full event management capabilities including attendee management, reminders, and custom metadata.

Do you support recurring events?

Yes, we fully support recurring events, including modifications to individual occurrences. You can create complex recurrence patterns and handle exceptions with ease across all calendar providers.

Is there a free plan?

No, but our sales team is offering free trials. If you want to schedule a demo and explore our API capabilities, contact us at sales@calendar-api.com and we'll set up a personalized trial for your use case.