Integrate BillionVerify with Klaviyo to verify customer emails and improve campaign performance. Reduce bounces, increase revenue, and protect deliverability with 99.9% accuracy.
What is Klaviyo?
Klaviyo is a leading eCommerce marketing automation platform designed specifically for online retailers and direct-to-consumer brands. Founded in 2012, Klaviyo has become the go-to email and SMS marketing solution for over 143,000 businesses worldwide, powering brands like Purple, ColourPop, and Huckberry.
Core Capabilities:
Email Marketing: Create personalized email campaigns with drag-and-drop builders, pre-built templates, and advanced segmentation
SMS Marketing: Send targeted text messages to customers with automated flows and two-way conversations
Customer Data Platform: Unify customer data from your eCommerce platform, website, apps, and other tools in one place
Marketing Automation: Build sophisticated customer journeys with flows for abandoned carts, browse abandonment, post-purchase, win-back, and more
Advanced Segmentation: Create hyper-targeted segments based on purchase behavior, browsing history, engagement, and predictive analytics
Revenue Attribution: Track exactly how much revenue each campaign and flow generates with built-in analytics
Why eCommerce Businesses Choose Klaviyo:
Native integrations with Shopify, WooCommerce, Magento, BigCommerce, and other major platforms
Real-time customer data syncing for personalized messaging
Predictive analytics like churn risk, lifetime value prediction, and smart send time optimization
Built-in A/B testing and benchmarking against industry standards
Revenue-focused reporting that shows ROI on every email and SMS sent
Scalable pricing based on contact count (not email volume)
Popular Use Cases:
Abandoned cart recovery emails (recover 15-30% of lost sales)
Post-purchase thank you and review request flows
VIP customer loyalty programs and exclusive offers
Browse abandonment campaigns (retarget shoppers who didn't add to cart)
Win-back campaigns for lapsed customers
Product recommendation emails based on purchase history
Birthday and anniversary campaigns
Back-in-stock notifications
However, Klaviyo's effectiveness in driving revenue depends entirely on the quality of your customer email database. Invalid, fake, or risky email addresses can sabotage your campaigns, hurt deliverability, and waste your marketing budget—which is where our email verification service becomes critical.
Why Integrate BillionVerify with Klaviyo?
While Klaviyo excels at sending personalized campaigns that drive revenue, it doesn't verify email addresses before adding them to your account. If your customer lists contain invalid addresses, you'll encounter serious problems:
Email Verification Features
Ready to Start Verifying?
Join thousands of businesses using our email validator to verify email addresses and clean email lists. Start email verification with our free trial - no credit card required.
Syntax validation: Ensure proper email format and RFC compliance
Use case: Fraud prevention, lead quality scoring, VIP customer segmentation
Pricing
BillionVerify offers flexible pricing that scales with your Klaviyo usage:
Plan
Credits
Price
Price per Email
Best For
Free Trial
100
$0
Free
Testing the integration
Starter
1,000
$5
$0.005
Small stores (<500 subscribers)
Growth
10,000
$40
$0.004
Growing stores (500-5K subscribers)
Professional
50,000
$175
$0.0035
Scaling stores (5K-20K subscribers)
Business
100,000
$300
$0.003
Established brands (20K-50K subscribers)
Enterprise
Custom
Custom
From $0.002
High-volume stores (50K+ subscribers)
Special Offer for Klaviyo Users
Get started with BillionVerify and save:
✅ 100 free verification credits (no credit card required)
✅ 20% off your first month (any monthly plan)
✅ Free setup consultation (we'll help you integrate)
To claim: Sign up and email support@billionverify.com with your Klaviyo account email. Learn more about our pricing plans.
Use Cases
Use Case 1: Recover More Abandoned Carts
Challenge: An online apparel store sends 10,000 abandoned cart emails per month via Klaviyo, but 22% bounce due to invalid customer emails, losing thousands in potential revenue.
Solution: Integrate BillionVerify real-time validation on checkout and newsletter forms.
Results:
✅ Bounce rate reduced from 22% to 0.8%
✅ Abandoned cart email deliverability increased to 99%+
✅ Cart recovery revenue increased by $12,500/month
Use Case 2: Improve Post-Purchase Campaign Performance
Challenge: A beauty eCommerce brand has 50,000 customers in Klaviyo, but 28% of post-purchase review request emails bounce, missing opportunities for social proof and repeat sales.
Solution: Schedule weekly bulk verification of new customers added to Klaviyo.
Results:
✅ Identified 14,000 invalid customer emails (28%)
✅ Review request open rate improved by 45%
✅ Generated 2,300 additional product reviews
✅ Repeat purchase rate increased by 18%
Use Case 3: Clean VIP Customer Segments
Challenge: A subscription box company segments VIP customers for exclusive offers, but 35% are risky emails (disposable, role-based, catch-all), skewing revenue attribution.
Solution: Implement real-time verification with disposable and role account detection.
Results:
✅ VIP segment quality improved by 40%
✅ Campaign ROI tracking accuracy increased
✅ Exclusive offer conversion rate increased by 25%
✅ Reduced spam complaints and unsubscribes
FAQ About Klaviyo Integration
How does this integration work with Klaviyo?
The BillionVerify + Klaviyo integration works via API. When someone subscribes or makes a purchase, our API verifies the email in real-time (less than 1 second). Valid emails are kept active with custom properties updated, invalid ones are suppressed or removed from your account.
Will it slow down my Klaviyo forms?
No. BillionVerify's API responds in less than 1 second on average. For even faster performance, you can use asynchronous validation (verify after form submission) or enable caching for previously verified emails.