Connectors / Integration
Klaviyo + Shopify Integration: Turn Customer Data Into Revenue
Sync your Shopify store data with Klaviyo in real time and run personalized email and SMS campaigns that actually convert.
Klaviyo + Shopify integration
Klaviyo and Shopify do different jobs well. Shopify runs your store — products, orders, checkout. Klaviyo takes all that behavioral and transactional data and turns it into targeted marketing. Together, they're the foundation of a serious ecommerce marketing stack. When you integrate them, every customer action in your store — a purchase, a browse, an abandoned cart — automatically triggers the right message at the right time.
Manually exporting customer lists, order histories, and product data between Shopify and Klaviyo is slow, error-prone, and stale by the time it's done. A real-time integration means your Klaviyo segments and flows are always working with fresh, accurate Shopify data — so your win-back campaigns, post-purchase sequences, and product recommendations are based on what customers actually did, not a week-old CSV. Brands that connect these two platforms can cut churn, grow average order value, and turn one-time buyers into regulars without anyone touching a spreadsheet.
Automate & integrate Klaviyo + Shopify
Automating Klaviyo and Shopify business processes or integrating data is made easy with Tray.ai.
Use case
Abandoned Cart Recovery
When a Shopify customer adds items to their cart but doesn't check out, tray.ai instantly passes that event and cart contents to Klaviyo to trigger a personalized abandoned cart flow. The sequence includes the exact product images, prices, and a tailored incentive to bring the shopper back. This automation is one of the highest-ROI workflows any ecommerce brand can run.
- Recover lost revenue with timely, product-specific reminders
- Trigger multi-step email and SMS sequences automatically
- Segment abandoners by cart value for differentiated offers
Use case
Post-Purchase Thank You and Upsell Flows
Every completed Shopify order can trigger a Klaviyo post-purchase flow that thanks the customer, sets delivery expectations, and introduces complementary products. tray.ai passes full order details — SKUs, categories, order value — so Klaviyo can personalize recommendations based on what was actually purchased. This drives second purchases while the brand is still fresh in the customer's mind.
- Increase repeat purchase rate with timely follow-up messaging
- Cross-sell and upsell using real purchase context from Shopify
- Build loyalty through personalized, relevant communication
Use case
Customer Winback Campaigns
tray.ai monitors Shopify order history and automatically enrolls customers in a Klaviyo winback segment when they haven't purchased within a defined window. The integration keeps this segment continuously updated as new orders come in or lapsed customers re-engage — so your winback campaigns always hit the right audience without manual list management.
- Automatically identify and re-engage lapsed customers
- Keep winback segments accurate with real-time Shopify order sync
- Reach at-risk customers before they forget you
Use case
VIP and Loyalty Tier Segmentation
By syncing cumulative order value and purchase frequency from Shopify into Klaviyo custom properties, tray.ai lets you run dynamic VIP segmentation that updates as customers hit spending thresholds. Klaviyo can then deliver exclusive early-access emails, member rewards, or personalized thank-you notes to your highest-value customers — giving them a reason to stay in that tier.
- Reward top customers with exclusive, personalized messaging
- Keep VIP segments dynamically updated based on real spend data
- Grow customer lifetime value through loyalty-focused flows
Use case
New Product Launch Announcements to Targeted Segments
When a new product is published in Shopify, tray.ai pushes product details — title, images, price, category — to Klaviyo and triggers a campaign to the segments most likely to buy based on past purchase behavior. Instead of blasting your entire list, you reach customers who previously bought from a related category first, driving stronger launch-day conversion.
- Launch products to high-intent segments instead of your whole list
- Automatically populate campaign content with live Shopify product data
- Improve launch-day conversion through behavioral targeting
Use case
Refund and Return Experience Management
When Shopify processes a refund, tray.ai notifies Klaviyo to suppress the customer from promotional flows and enroll them in a dedicated post-refund sequence focused on resolving their concern and rebuilding trust. This stops tone-deaf promotional emails from going to unhappy customers and creates a real chance to salvage the relationship. A well-handled return can flip a frustrated customer into a loyal one.
- Prevent promotional emails from reaching customers mid-refund
- Trigger empathetic post-refund flows to rebuild customer trust
- Protect sender reputation by suppressing disengaged contacts
Challenges Tray.ai solves
Common obstacles when integrating Klaviyo and Shopify — and how Tray.ai handles them.
Challenge
Keeping Customer Profiles Consistent Across Both Platforms
Shopify and Klaviyo each maintain their own customer records, and without a real-time sync, discrepancies build up fast — especially when customers update email addresses, shipping details, or marketing preferences in one system but not the other.
How Tray.ai helps
tray.ai listens to webhook events from both Shopify and Klaviyo and immediately propagates updates in either direction, keeping customer profiles consistent across both platforms without manual reconciliation or batch CSV imports.
Challenge
Handling High-Volume Order Events Without Data Loss
During peak periods like Black Friday and Cyber Monday, order volumes can spike dramatically, overwhelming point-to-point integrations that weren't built for burst traffic. Dropped events mean missed post-purchase flows and lost revenue.
How Tray.ai helps
tray.ai's infrastructure handles high-throughput event streams reliably, queuing and processing Shopify order events without data loss even during traffic spikes — so every order triggers the correct Klaviyo flow regardless of volume.
Challenge
Mapping Complex Shopify Order Data to Klaviyo Event Properties
Shopify order payloads are rich and nested — line items, variants, discount codes, shipping details, and more — while Klaviyo expects specific event property structures to power its flows and segmentation. Transforming this data correctly requires custom logic that's painful to maintain by hand.
How Tray.ai helps
tray.ai's workflow builder has a visual data mapping interface and built-in transformation tools that let teams extract, reshape, and correctly format Shopify payload data before sending it to Klaviyo. No custom code required, and updates are straightforward when data structures change.
Templates
Pre-built workflows for Klaviyo and Shopify you can deploy in minutes.
Shopify Order Placed → Klaviyo Post-Purchase Flow Trigger
Shopify 
Klaviyo Automatically sends a confirmed order event with full order details from Shopify to Klaviyo the moment a purchase is completed, triggering post-purchase email and SMS sequences with no manual intervention.
Shopify Abandoned Checkout → Klaviyo Cart Abandonment Campaign
Shopify Klaviyo Detects abandoned checkouts in Shopify and passes cart contents and customer details to Klaviyo in real time, enabling a multi-step cart recovery sequence via email and SMS.
Shopify New Customer → Klaviyo Welcome Series Enrollment
Shopify Klaviyo Enrolls every new Shopify customer into a Klaviyo welcome email series the moment their account is created, so no new subscriber misses your onboarding experience.
Klaviyo List Unsubscribe → Shopify Customer Tag Update
Klaviyo Shopify Keeps customer marketing preferences in sync by writing an 'email-unsubscribed' tag back to the Shopify customer record whenever someone unsubscribes from Klaviyo, maintaining compliance and consistent data across both platforms.
Shopify Refund Created → Klaviyo Flow Suppression and Winback Enrollment
Shopify Klaviyo When a refund is issued in Shopify, this template removes the customer from active promotional flows in Klaviyo and enrolls them in a post-refund recovery sequence to protect the customer relationship.
Shopify Cumulative Order Value → Klaviyo VIP Segment Sync
Shopify Klaviyo Periodically calculates each customer's lifetime spend in Shopify and updates a custom property in Klaviyo so VIP segments stay accurate and high-value customers always receive tier-appropriate messaging.
How Tray.ai makes this work
Klaviyo + Shopify runs on the full Tray.ai platform
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Learn more →Agent Builder
Build AI agents that read, write, and take action in Klaviyo and Shopify — with guardrails, audit, and human-in-the-loop.
Learn more →Agent Gateway for MCP
Expose Klaviyo + Shopify actions as governed MCP tools — observable, rate-limited, authenticated.
Learn more →Ship your Klaviyo + Shopify integration.
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