One Integration, Every Provider
The Nylas APIs act as a single point of integration to every email, calendar, and contacts service provider.

Integrate With Nylas,
Focus on Other Core Features
Connect Your App to Users’ Data in Minutes
Our modern, RESTful API lets you integrate email, calendar, and contacts in a fraction of the time it would take to build your own integration.
Real-Time, Two-Way Data Sync
Sync both historic and live email, calendar, and contacts data in real-time with 100% accuracy.
Create, Read, Update, and Delete Capabilities
Unlock full CRUD capabilities in your application with every synced account.
Avoid Ongoing Maintenace
Nylas handles provider-specific maintenance for you, saving hundreds of engineering hours per year.
Go Beyond Just the Provider-Specific Features
Access features like granular scopes, SSO, programmatic webhooks, custom event reminders, and more.
Scale With Confidence
Our platform grows easily and affordably along with your business, from hundreds to millions of connected accounts.
Integrate Once, Connect to Every Provider
Get all the provider-specific API features and more.

Gmail Integration

Exchange Integration

Office 365 Integration

Outlook.com Integration
Apple Integration

Yahoo Integration

AOL Integration

IMAP / SMTP Integration
How It Works
// Get StartedGet a Free API Key
Create an account to unlock the full platform for 30 days — no credit card required.
Build a Basic Integration
With just a few lines of code, you can get full CRUD capabilities and bi-directional sync.
Connect All Your Users
Whether you’re connecting 100 or 100 million accounts, you can rest easy knowing your data is safe.