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.

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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.

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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:

When a timezone transitions into or out of daylight savings, repeating events should remain at the same local time. This can cause its share of headaches, especially when you represent datetimes globally in UTC. Nylas abstracts these complexities away.

The Google Calendar API has a few naming convention quirks. For example, PUT commands completely replace events, whereas only PATCH will update them. Nylas simplifies these complexities with standard GET/POST/PUT/DELETE conventions.
The Google Calendar docs say that recurrence information for an event is available via the recurrence field — but this doesn’t account for event cancellations. Nylas handles recurring events complexities, saving engineering teams months of time.
Costs of Google Calendar API vs. Using the Nylas APIs

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 OAath 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.

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.

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


Ready to Start Building?


How do I get started with the Nylas Calendar API?

You can create a developer account with Nylas and sync up to 10 calendars from different users for free using the Nylas Calendar API here.

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.