How to Sync Fields from Klaviyo to Shopify

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When you integrate your Klaviyo account with Shopify, you will have the option to sync changes to certain profile fields from Klaviyo to Shopify. This will overwrite these values in Shopify, even if they may have originated there before syncing to Klaviyo. This can be useful if, for example, you would like to change the email address associated with a particular customer and you want this change to be reflected in Shopify.

It is important to exercise caution when using this feature, as you may unintentionally overwrite fields in Shopify with data synced through other active integrations in your Klaviyo account. For example, let's say you have help desk software integrated with Klaviyo and someone opens a ticket under the name JD when their full name is Jane Doe. If they open the ticket with the same email address you have on file, their name will be updated in Klaviyo from Jane Doe to JD and, if the sync is enabled, these changes will be reflected in Shopify as well. In this case, their full name would no longer be stored anywhere.

Sync Fields from Klaviyo to Shopify

To sync changes to certain fields from Klaviyo to Shopify, navigate to the Integrations tab and find your Shopify integration. You will see a checkbox that reads Update Shopify customer profiles with Klaviyo data. Check this box, select a GDPR setting for your account if there isn't one already, and then click Update Shopify Settings to enable the sync.

Updating Shopify profiles with Klaviyo data will only update existing Shopify profiles. New profiles will not be synced to Shopify.


 The fields that are updated in the Klaviyo to Shopify sync include:

  • Email
    The email address of the contact
  • First name
    The contact's first name
  • Last name
    The contact's last name

Syncing Your SMS Subscription Status to Shopify

While not required, we recommend that if you're using SMS, check the box to Sync customer SMS subscription status to Shopify. This setting will automatically backfill your SMS subscription data to Shopify and, in the future, sync this data from Klaviyo to Shopify whenever a Shopify customer subscribes or unsubscribes from SMS. Read more about How to Collect SMS Consent at Checkout on Shopify

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