Use Case

Calendar Sync API

Power your SaaS with our enterprise-grade Calendar Sync API. Enable seamless bi-directional calendar sync, native Exchange API integration, and reliable Outlook to CRM sync.

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The Challenge of Building Calendar Sync

Integrating with calendar providers is notoriously difficult. Handling recurring events, timezones, and real-time updates across Exchange, Office 365, and Google Workspace drains engineering resources.

Fragmented APIs

Different providers use entirely different protocols (EWS, Graph, REST) with distinct idiosyncrasies for authentication and data structures.

Complex Edge Cases

Properly handling recurring event exceptions, cancellations, and timezone shifts requires specialized expertise.

Scaling Webhooks

Maintaining active subscriptions and processing high volumes of push notifications reliably in real-time is infrastructure-intensive.

Unified Calendar Integration API

Our Calendar Sync API provides a single, unified interface to connect with any major calendar provider, abstracting away the complexity of scheduling integrations.

A single Calendar Sync API for all major providers.
Reliable bi-directional calendar sync with conflict resolution.
Deep Exchange API integration for on-prem and cloud environments.
Perfect for building robust Outlook to CRM sync workflows.

// MailGovern Calendar API
const response = await mailgovern.calendars.createEvent({
  provider: "exchange_online",
  account_id: "acc_123xyz",
  subject: "CRM Demo Sync",
  start_time: "2026-06-20T14:00:00Z",
  end_time: "2026-06-20T15:00:00Z"
});

// Event synced bi-directionally in real-time

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