Constant Contact data reference

Constant Contact data reference

Estimated 2 minute read

Updated Feb 12, 2026, 12:00 AM EST

Table of contents

You will learn
Before you begin
View previously synced email activity
Additional resources

The Constant Contact integration has been retired and no longer syncs data to Klaviyo. This reference explains data imported before the integration was retired. To bring data from Constant Contact into Klaviyo now, read our guide on how to migrate from Constant Contact manually.

You will learn

Learn about the data previously synced from Constant Contact to Klaviyo through our integration.

Before it was retired, the Constant Contact integration synced the following data, depending on your settings:

Contacts’ email addresses, first names, and last names.
When someone opened or clicked an email.
Profiles of recipients who had unsubscribed, added to the suppression list.
Existing lists in Constant Contact (if you chose to create Klaviyo lists from your Constant Contact lists).

Before you begin

It is important to note the following:

The integration no longer syncs new data or updates from Constant Contact.
The integration pulled new contacts from Constant Contact into Klaviyo. If a contact was added to a Constant Contact list, that contact was synced into Klaviyo. However, if a contact was deleted from Constant Contact, they were not deleted in Klaviyo.
The integration added profiles to Klaviyo lists without syncing email opt-in consent. List membership alone does not confirm that a profile subscribed to email marketing.

View previously synced email activity

Constant Contact appears in the Integration filter only if your account has metrics from that integration.

Navigate to Analytics > Metrics.
Use the Integration filter to select Constant Contact.
Select Opened Email (Constant Contact) or Clicked Email (Constant Contact) to view previously recorded activity.