How to Connect Group Collector with Klaviyo

If you want your Facebook group members to be automatically added to your Klaviyo email list, you need to integrate Group Collector with Klaviyo. This setup takes only a few minutes and eliminates the need for manual contact uploads.

To complete this integration, you will need:

  • Your Klaviyo Private API Key
  • A Klaviyo List where contacts will be added

This guide will show you how to get both.

Also, make sure:

  • You have an active Klaviyo account
  • Your Facebook group is already created inside Group Collector

Step 1: Log In to Klaviyo and Get Your API Key

  1. Log in to your Klaviyo account.

    Klaviyo dashboard homepage with the Integrations option highlighted in the bottom-left sidebar

  2. From the left sidebar, click on the Profile Icon (at the bottom left) and select Settings.

    Klaviyo Get Started page with the profile icon menu expanded showing the Settings option highlighted

  3. Inside Settings, click on API Keys.

    Klaviyo Settings page showing the API Keys option highlighted in the left sidebar menu

  4. You will see the Public API Key and Private API Key options. Click Create Private API Key.

    Klaviyo Settings API Keys page showing the Create Private API Key button highlighted

  5. Give it a name (for example: Leads). In Access Level, select Full Access Key. Click Create.

    Klaviyo Create Private API Key page with the name field and Full Access Key option highlighted

  6. Your API Key will be generated. Copy the Private API Key and save it in Notepad or Notes — you will need it later.

    Klaviyo Private API Key Confirmation page showing the generated key with copy and download buttons

Important: Keep this API Key secure. Do not share it with anyone.

Step 2: Create a List in Klaviyo

Now you need a list to add your Facebook group members.

  1. From the left menu, click on Audience.

    Klaviyo dashboard homepage with the Audience menu highlighted in the left sidebar

  2. Click on Lists & Segments, then click Create New.

    Klaviyo Lists and Segments page showing existing lists and segments with the Create New button highlighted

  3. Name your list whatever you like, then click Create List.

    Klaviyo Create List dialog with the name field filled in and the Create List button highlighted

  4. After the list is created, click on Settings.

    Klaviyo newly created Leads list page showing the Members tab with an empty list

  5. Here, you will see the List ID. Copy the exact list ID, as this will be used inside Group Collector.

    Klaviyo list Settings tab showing the List ID and name section with the List ID highlighted

Step 3: Connect Klaviyo Inside Group Collector

  1. Open the Group Collector dashboard.
  2. Click the Add button for the Autoresponder.
  3. Select Klaviyo as your autoresponder.

    Group Collector dashboard showing the autoresponder dropdown menu with Klaviyo option highlighted

  4. You will be asked to enter your Klaviyo API Key and List Id. Paste your Private API Key and enter the List Id you copied from Klaviyo.

    Group Collector dashboard with Klaviyo selected showing the API Key and List Id fields highlighted with red arrows

  5. Click Verify and Update. If the details are correct, Group Collector will confirm the integration.

    Group Collector dashboard with Klaviyo selected showing API Key and List Id fields with the Verify and Update button highlighted

Final Result

Once the integration is complete:

  • Approved Facebook group members are automatically added to Klaviyo.
  • Leads sync in real time.
  • Subscribers are ready for email campaigns and automations.
  • No manual CSV imports are required.

Common Mistakes to Avoid

  • Using the wrong Private API Key.
  • Copying the wrong List ID or misspelling the list ID.
  • Not selecting Klaviyo properly in Group Collector.
  • Closing the browser before verification completes.
  • Skipping a test with a sample member.

Best Practices

  • Test the integration with a sample approved member before going live.
  • Use separate lists for different Facebook groups.
  • Regularly check that the integration is still active.
  • Keep your Private API Key secure and do not share it publicly.
  • Align your membership questions with your email marketing strategy.
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