We have a built in integration with Mailchimp to ensure you have a quick and easy migration from Mailchimp to Omnisend. Before removing Mailchimp integration, we recommend you to first transfer all data to Omnisend. 

This guide will help you migrate over to Omnisend smoothly. 

And more, we created our Mailchimp Migration Resources Hub for Shopify merchants, check it out to find all news about migration, new Mailchimp feature requests we are releasing, feature comparisons with Mailchimp or Klaviyo, and more.


You will need to take the following steps to migrate to Omnisend:

  1. Integrate your e-commerce platform with Omnisend
  2. Migrate your subscribers from Mailchimp to Omnisend
  3. Migrate your email templates using HTML
  4. Replicate signup forms and automation workflows


Integration of E-commerce Platform

You need to integrate your store to start benefiting from Omnisend e-marketing features. We can integrate with the following platforms:

  • Shopify 
  • Bigcommerce
  • Woocommerce
  • Magento
  • and other via direct API integration

The easiest way to integrate your Shopify store with us is to download Omnisend app in the Shopify app store and follow the instructions there. You will be redirected to Omnisend app asking you to create an account with Omnisend

You also have an option to connect your Shopify store from the Omnisend account you created. Go to Store settings > Connected Store and integrate your store. 

To help you integrate with other platforms, we created a Store Connection section within our Help Center Integrations.
Note, only one store can be integrated with one Omnisend account.

Migrating Contacts from Mailchimp

You can easily migrate all that you have collected in Mailchimp to Omnisend without a need to export them first and import from file later. Our built-in integration enables you to skip the selection of attributes step.

You will need to take the following steps to import your subscribers:

1. Generate an API key in your Mailchimp account.
2. Go to Omnisend account > Audience > Add contacts
3. Choose Mailchimp > paste the API key you generated > click Continue
4. Send contacts to a list by using a tag or creating an automated segment

Or you can follow the steps in your own pace while reading Importing subscribers from Mailchimp article.

What is great, that you can import any custom data or tags you collected about your customers while using Mailchimp!

Don't forget to warm up your sender reputation by sending your email campaigns to engaged users first. Warming up your reputation will provide a unique opportunity to monitor and optimize your entire email campaign.


Migrating Templates, Forms and Automation flows

It is simple to recreate the contents you used in Mailchimp. With our user friendly tool you will be able to easily build your campaigns, signup forms and automation workflows. Follow links to our Knowledge base to learn more about different features we have and to find guides on how to set them up:

Recreating your contents will ensure that your have responsive and well working setup on Omnisend.

Nevertheless, if you cannot dedicate time to recreate all the email templates and other contents you created in Mailchimp we have two options for you:


Next Steps

Once you have completed all of the migration to Omnisend steps, you will be fully set to start benefiting from Omnisend e-commerce tool. You will be able to use:



If I add a contact to a list in Mailchimp, is it added to Omnisend? Yes, if you add a subscribed contact to your list, it will be automatically synced to Omnisend during the next periodic sync. Note, it's a one way sync, contact added to Omnisend will not be synced to Mailchimp.

If I remove my subscribers in Mailchimp, are they removed from Omnisend?
No, as long as you imported all of your subscribers from Mailchimp to Omnisend.

How often does Omnisend sync with Shopify orders? Orders sync with Omnisend real time.

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