Integrations

Built to work with your existing ESP

Keep the sending provider you already use and add Ewyn as the AI creation and campaign layer on top.

No migration required

Switching email infrastructure is painful. Ewyn avoids that by sitting on top of the sending provider you already trust.

That means you keep your existing delivery setup while gaining faster template creation, reusable email workflows, and better campaign execution.

What Ewyn adds

Ewyn focuses on the creation and campaign layer, while your ESP handles delivery.

What Ewyn adds

  • AI template generation
  • Brand-aware email creation
  • Reusable templates
  • Campaign workflows
  • A/B testing
  • Sending logic through connected providers

What your ESP keeps handling

  • Delivery infrastructure
  • Sender setup
  • Sending reputation
  • Provider-level sending plans
  • Delivery volume

Works with your favorite ESP

Connect the email provider you already use and keep your existing infrastructure.

SendGrid

Mailgun

AWS SES

Postmark

Resend

SparkPost

Mailchimp

Brevo

And many more...

A more flexible way to build your email stack

This model gives teams the freedom to use Ewyn for speed and workflow improvements without being forced to replace their core sending system.

Keep your infrastructure

No need to migrate or rebuild. Your existing ESP setup stays exactly as it is.

Add speed and automation

Layer AI-powered template generation and campaign workflows on top of your stack.

No contact-based pricing

Ewyn doesn't charge by contact count, making pricing more practical as you scale.

Keep your provider. Upgrade your workflow.

Connect your ESP and start creating branded templates in seconds.