Introduction
Integrating Klaviyo with Facebook Ads allows e-commerce marketers to sync customer data, create highly targeted audiences, and run more effective ad campaigns. By leveraging this integration, you can retarget existing customers, find lookalike audiences, and increase your return on ad spend (ROAS). In this guide, we’ll walk you through how to set up the Klaviyo Facebook Ads integration, share best practices, and help you optimize your advertising strategy.

How Do I Integrate Klaviyo with Facebook Ads?
To integrate Klaviyo with Facebook Ads, connect your Facebook Business Manager to Klaviyo and sync your email lists and segments. This integration enables you to create custom and lookalike audiences for your Facebook ad campaigns directly from Klaviyo.
Step-by-Step Guide: Klaviyo Facebook Ads Integration
1. Log in to Your Klaviyo Account
Visit www.klaviyo.com and log in using your credentials.
2. Navigate to Integrations
In the left-hand menu, go to Integrations.
Type Facebook in the search bar to locate the Facebook Advertising integration.
3. Connect Facebook Ads to Klaviyo
a. Click on Facebook Advertising
Select Add Integration to begin the setup process.
b. Authenticate Your Facebook Account
You will be prompted to log in to your Facebook Business Manager account.
Authorize Klaviyo to access your Facebook Ad Account, Facebook Page, and Facebook Pixel.
c. Select Ad Accounts and Business Manager
Choose the appropriate Facebook Ad Account and Facebook Business Manager to link with Klaviyo.
d. Complete the Integration
Click Connect to finalize the integration.
Klaviyo will now be synced with your Facebook Ads, enabling data exchange.
4. Sync Klaviyo Segments with Facebook Ads
a. Create a Segment in Klaviyo
Go to Lists & Segments > Create List / Segment.
Choose Segment and set conditions based on email engagement, purchase behavior, or profile properties.
Example: Segment customers who purchased in the last 30 days or those who opened specific email campaigns.
b. Sync Segment to Facebook
Click Integrations > Facebook Advertising.
Under Sync to Facebook, select the segment you wish to sync.
Choose whether to sync as a Custom Audience or Lookalike Audience.
Set the Sync Frequency to Real-Time or Daily to keep your audiences updated automatically.
5. Create Facebook Ads Using Synced Audiences
a. Open Facebook Ads Manager
Go to https://business.facebook.com/ and log into your Facebook Business Manager.
b. Create a New Ad Campaign
Click Create and select a campaign objective (e.g., Conversions, Traffic, or Engagement).
c. Select Your Klaviyo Audience
In the Audience Section, choose Custom Audience and select the Klaviyo segment that was synced.
Alternatively, create a Lookalike Audience to target users similar to your existing customers.
d. Complete Ad Setup and Launch
Set up your ad's creative, budget, and schedule.
Click Publish to launch your campaign.
Best Practices for Klaviyo Facebook Ads Integration
1. Use Dynamic Audiences
Sync dynamic segments such as High-Intent Shoppers or Engaged Email Subscribers to ensure your ads reach the most relevant audience.
2. Leverage Lookalike Audiences
Create Lookalike Audiences from your most valuable segments, such as Repeat Purchasers or Top Spenders, to expand your reach.
3. Utilize Exclusion Lists
Exclude audiences like Recent Purchasers from seeing ads promoting the same product they just bought.
4. Test Different Ad Creatives
Use A/B Testing within Facebook Ads Manager to find the best-performing ad creative and messaging for your Klaviyo audiences.
5. Monitor and Optimize Campaigns
Regularly review Campaign Performance Metrics in Facebook Ads Manager.
Adjust targeting, budgets, and creative based on the performance data.
Common Mistakes to Avoid When Integrating Klaviyo with Facebook Ads
Not Updating Segments Regularly: Use Real-Time Sync to keep your Facebook audiences up to date.
Overlapping Audiences: Avoid Audience Overlap to prevent competing against yourself in the ad auction.
Ignoring Ad Fatigue: Rotate ad creatives and offers to maintain engagement.
Conclusion
Integrating Klaviyo with Facebook Ads can significantly enhance your ability to run highly targeted and effective ad campaigns. By syncing email segments, creating dynamic audiences, and leveraging data-driven insights, you can maximize your advertising ROI and boost brand engagement.
📩 If your email and SMS marketing strategies are underperforming and you’re unsure how to optimize your ad campaigns, let’s talk.
At Dispatch, we help brands maximize revenue from email & SMS without damaging subscriber engagement.
👉 Connect with Dispatch today to optimize your Klaviyo and Facebook Ads integration strategy.
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