One Email API.
Every Provider.

Launch powerful native email capabilities quickly and securely with a single API.

  • Deliver standout email features in months, if not years, ahead of the competition
  • Sync data from any user’s email inbox in real time
  • Get maintenance-free connections with a 99.9% guaranteed uptime

Try the Nylas platform for free via our dashboard. Follow quickstart guides for easy, speedy implementation.



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Trusted by more than 250,000 developers worldwide

Innovative businesses
choose Nylas

Divya Prashanth

CEO and Co-Founder

“The Nylas Email API provided all the tools and technology we needed. The team is heavily data science-driven, which aligns well with our company’s approach. Their support and expertise have been invaluable to us.”

Justin Belobaba

CEO

“One of the top three reasons our customers churn was email deliverability. Nylas solved a critical problem for us overnight. We went from close to 0% to nearly 100% deliverability.”

Nora Ignatius

Product Manager

“We have millions of emails sent each week. Nylas frees us up to focus on…delivering new features to our customers and working with our data science team on exciting new projects.”

Bridge the communications gap in your app

Connect to every provider

Connect to GMAIL, Outlook and 100% of email service providers in minutes with a single integration. No custom code required.

Avoid developer burnout

Allow your developers to refocus on advancing your roadmap.

Deliver robust email features

Stand up bi-directional sync and complete create, read, update, delete (CRUD) capabilities on a reliable and highly scalable platform.

Maximize user engagement

Improve productivity, reduce friction, and minimize context-switching across your users’ journey.

Unlock insightful email data

Surface communications insights to your users that make them more effective.

Get unmatched deliverability

Send directly from your users’ inboxes. Avoid proxy sends with Nylas’ industry-leading 99.6% deliverability.

Build email features that empower users to send with confidence

Service accounts

Onboard enterprise customers faster.

Easily navigate the OAuth Verification process

Complete Google's assessment with expert assistance from Nylas at the lowest cost.

Tracking and analytics

View and show email status to end users.

Sync policy

Set time-bound parameters for the data you sync.

Scheduled send

Schedule messages to maximize open rates and replies.

High-volume send

Enable high-volume sends that exceed provider rate limits.

SSO

Supports identity providers, such as Okta and OneLogin.

Authentication scopes

Improve security for your end users with granular authentication scopes.

Authentication scopes

Improve security for your end users with granular authentication scopes.

Get started in 3 simple steps. Here's how it works.

  1. Get a free API key

    Create an account to unlock your API key and sync up to 10 accounts – no credit card required.

  2. Build integrations quickly

    With just a few lines of code, you get full CRUD capabilities and bi-directional sync.

  3. Connect all your users

    Whether you’re connecting 100 or 100 million accounts, you can rest easy knowing your data is safe.

  4. Connect all your users

    Whether you’re connecting 100 or 100 million accounts, you can rest easy knowing your data is safe.

Ready to start building?