IMAP Email API

12x faster IMAP Email API integration with all email providers

Nylas IMAP API allows you to integrate your application with 100% of email service providers built on IMAP, including support for iCloud, Yahoo, ISP email services, and more.

With just a few lines of code, you get full create, read, update, delete (CRUD) capabilities and bi-directional sync.
Build an email experience that connects directly to your users’ inboxes, not proxy IPs, with 99.6% email deliverability.
99.99% uptime and hands-free maintenance.

Request a consult to see the Nylas Email API in action.

For more information about how this data is used, please view our Privacy Policy

Use your time to build your app, not integrations

Integrating directly with IMAP accounts without Nylas would take around 5,640 developer hours. With the Nylas Email API, you can kickstart IMAP API integrations quickly and save on maintenance and support costs.

Full search functionality

Nylas provides search functionality that allows you to run a full-text search that is proxied to the users’ email 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.

Near-perfect deliverability

Nylas sends mail through the account’s original SMTP/ActiveSync gateway, which means messages sent through Nylas have high deliverability.

Did you know that Nylas also has:

Industry-leading calendar functionality

Create, sync, and manage events across every major calendar provider with real-time updates, availability insights, and seamless scheduling experiences — all powered by one unified API.

Powerful meeting recording out of the box

Record, transcribe, and analyze calls in real time. Nylas delivers clean, normalized meeting data ready for summaries, insights, and downstream automation.

Transactional email via verified domains

Designed for emails that doesn’t depend on a user’s mailbox, making it a better fit for product notifications, invitations, confirmations, and other outbound emails that need to scale.

Compliance

We’ve engaged respected third-party firms to audit our infrastructure and security practices,
resulting in multiple compliance certifications and attestations.

Nylas complies with all major security certifications including SOC2, ISO 27001 and HIPAA

Privacy

We are committed to ensuring the privacy of your data and preventing unauthorized access to it. Our Privacy Policy details what data is collected, how we use it, and how it is stored.