Dynamic Email Templates

Easily build, store, and maintain your email content.


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Content collaboration

Designers, developers, and marketers rejoice.

Work together in-application to create and edit email templates that you can send programmatically. Marketers can maintain access to content while developers can focus on the implementation.

  • Import your HTML or start with our Email Template Library
  • Customize content with HTML editing or WYSIWYG editor
  • Store and manage your email content and pull programmatically

Power of personalization

Hold on to your Handlebars.

Send targeted emails without complicated deploys or bloated code. With native support for Handlebars syntax dynamic templating, build one template to support multiple recipient customizations.

  • Build conditional formatting into your templates
  • Personalize for location, language, imagery, and more
  • Populate Test Data to preview what you’ll pass in the API request

Avoid disruptions

Putting the “time” back into real-time editing.

Template ready? Mark your new version as “active” to replace an existing template without disruption to your customers. Send a developer the template ID to quickly implement new transactional email.

  • Store, view, and edit all your templates in one place
  • Modify template versions without needing a code deploy
  • Complete full redesigns or make a minor edits with ease
Email API Features

Build something better

Email Testing for Dynamic Templates

Test for inbox rendering, link validity, and performance against spam filters.

Testing 1,2,3

Email Validation API

Get results in real time to catch address typos in-form, bounce fewer emails and improve your sending reputation.

Learn About Email Validation API

SMTP Service

Send email over our leading cloud-based SMTP service for a quick and easy integration via SMTP relay or our API.

Explore SMTP Service

Trust that your emails get delivered and your data is safe


The tools and expertise you need to optimize your inbox delivery rate.

Reach the Inbox


Send on a world-class platform that delivers more than 70 billion emails every month.

Send & Grow


Experts can help you optimize your program, troubleshoot, and resolve issues.

Work with Experts

24/7 Support

Our support teams can give you information and guidance when you need it most.

Help Me Send

Ready to start sending?

Free to get started. Free to send.

Talk to Sales