The Most Secure API for Integrating With Google Calendar

The Nylas APIs power the world’s leading software applications with full features and sync from Google and every other calendar provider.

  • Node
  • Java
  • Python
  • Ruby
import Nylas from 'nylas';
    clientId: CLIENT_ID,
    clientSecret: CLIENT_SECRET,
var nylas =  
    .then(count => {
            `You have ${count} events.`


public class Calendar { 
  public static void main (String[] args) throws Exception {
    NylasAccount account = new NylasClient().account(ACCESS_TOKEN);
    List events =
      new EventQuery().title("Birthday Party!")); Event event ) -> {
      System.out.println( event.getLocation() ); 


from nylas import APIClient
nylas = APIClient(
events =
for event in events:


require 'nylas'
nylas =
    app_id: CLIENT_ID,
    app_secret: CLIENT_SECRET,
    access_token: ACCESS_TOKEN
events =
events.each do |events|
    puts events.title


Integrating With the Google Calendar API is Hard. Nylas Makes it Easy.

We built the Nylas Calendar API to provide a simpler way to integrate with 100% of calendar providers: Google Calendar, Microsoft Exchange Calendar, Calendars, Yahoo! Mail, and the rest.

Nylas handle the headaches of .ics files and iCal for you so your team can focus on building the features they love.

Save Months Integrating With the Nylas API for Google Calendar

When integrating users’ Google Calendars into your app, there are a host of headaches that the Nylas API solves for you, including:

Full Search Functionality

Nylas provides search functionality that allows you to run full-text search that is proxied to the users’ Gmail accounts. Results are matched with objects that have been synced, and then returned.

Webhook Notifications

Webhooks allow your application to receive notifications when certain events occur — they are easy to integrate with your app and scale seamlessly with your growth.

Infrastructure and Physical Security

The reliability of the Nylas communication platform provides an integration that guarantees 99.9% uptime.

Express Security Review

Exclusive access to a streamlined review process for lower cost & faster Google OAuth Security Verification.

Costs of Google Calendar API vs. Using the Nylas APIs

As your platform scales and your user base grows, so do costs for maintaining the Google Calendar integration directly, such as:

  • Operating servers
  • Building Google OAuth security features, infrastructure and support
  • Google OAUth App Verification and Annual App Security Review costs
  • Supporting the integration and troubleshooting bugs
  • Spending time specializing in .ics and iCal protocols

With Nylas, we manage the end-to-end integration for you. Our API comes out-of-the-box with security certifications and helps expedite and ease the Google App submission and Google Security review process.
Learn more: Calculate Your Savings With the Nylas APIs »

With Nylas, Everything is Secure. Everything is Connected.

Security is our top priority — we sweat the small stuff so you don’t have to. Nylas is SOC 2 Certified, Privacy Shield certified, GDPR compliant, and HIPAA and FINRA ready. Data from every email you sync is encrypted and isolated with multi-level permission checks.

Learn How
  • World-Class Security Certifications
  • Token Management
  • Whitelisted IPs
  • Data Encryption
  • Granular Authentication Scopes
  • Gated Permission Checks
Learn How


How do I get started with the Nylas Calendar API?

You can access the Calendar API key directly from your Nylas dashboard. One key unlocks access to any calendar provider in the world! Exciting, we know.

Where do I access the Nylas Calendar API key?

You can access the Calendar API key directly from your Nylas dashboard. One key unlocks access to any calendar provider in the world! Exciting, we know.

How do my users activate calendar sync?

Your users can kick-start full calendar sync simply by authenticating access. Your users will input their credentials and then be redirected back to your application.

What kinds of companies use the Nylas Calendar API?

Learn how customers in the CRM, ATS, automotive, finance, and legal industries use the Nylas Calendar API on our case studies page.

What languages can I use to connect to the Nylas Calendar API?

We provide SDKs that make it easy to integrate your app using Python, Node.js, Java, or Ruby, or you can use a different language of choice to connect to our RESTful API.

How is the Calendar API secured?

The Nylas Calendar API encrypts 100% of your data with military-grade security standards. In addition, Nylas is GDPR compliant, SOC 2 compliant, and HIPAA and FINRA ready.

What are the pricing options for the Nylas Calendar API?

You can sync up to 10 user’s calendars for free. After that, pricing is based on the number of accounts you have synced; you can view our pricing page for more details.

Additional questions about building your calendar integration?

Check out our comprehensive Getting Started Guide.