If you want to add the Klaviyo integration to your payment form, please read: How To Add Integrations To Your Payment Form


Step 1: Find Your Klaviyo Private API Key And Activate The Single Opt-In Feature

1. Go to your Klaviyo account

2. Go to the top-right side of Klaviyo and click your profile dropdown

3. Click the "Account" button

4. Select the "Settings" dropdown and click the "API keys" button

5. Copy your "Private API Key"

6. Go to the left side of Klaviyo and click the "Lists & Segments" button

7. Select the lists or segmentations you want to use with Cartfuel

8. Click the "Settings" button of that list or segmentation

9. Scroll down and inside the "Opt-In Process" toggle On the "Single Opt-In" feature

10. Make sure you don't have the "Double Opt-In" feature activated

Step 2: Connect Your Klaviyo Account To Cartfuel

1. Go to your Cartfuel account

2. Go to the left-hand side of Cartfuel and click the "Settings" dropdown

3. Choose "External Integrations" from your Cartfuel dashboard

4. Click on "Connect Klaviyo" and a new window will pop up asking for the "Private API Key"

5. Paste the "Private API Key" and hit the save button


Don't have a Cartfuel account? Sign up for one here or log in.

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