Klaviyo Integration for CS-Cart

Klaviyo delivers higher open rates, click rates, and ROI than traditional email tools — but only when it has full visibility into what each visitor does in your store.

This addon builds that bridge: it sends every significant traffic and sales event from CS-Cart to Klaviyo automatically, so you can build automations that know the complete history of each customer.

Tracking works on both layers:

• Client-side (via klaviyo.js): monitors real-time behavior inside the visitor's browser — page views, add-to-cart, checkout initiation.
• Server-side (via Klaviyo REST API): reliably delivers critical events that ad blockers cannot intercept, including completed orders, shipments, and profile updates.

The addon also generates an XML product feed fully compatible with Klaviyo Catalog, enabling dynamic product recommendations inside emails and back-in-stock automations.

For Multi-Vendor stores, each vendor can operate under a separate Klaviyo account with storefront-level settings.

Features

1. Automatic tracking of 7 core events:
   • Active on Site (logged-in users)
   • Viewed Product
   • Added to Cart
   • Started Checkout
   • Placed Order
   • Ordered Product (one event per line item)
   • Dispatched Order (with tracking number)
   • Updated Account (profile changes)
2. Newsletter subscription at checkout: customers are automatically added to a configured Klaviyo list during the checkout process.
3. XML Product Feed: generates a Klaviyo Catalog-compatible feed including title, price, description, image, categories, and availability.
4. Granular feed control: choose which products and categories appear in the feed — apply globally or configure per product / per category.
5. Cron-based regeneration: the XML feed rebuilds automatically on a scheduled interval (e.g. nightly).
6. Multi-language support: select the language used for product feed content.
7. Multi-Vendor / Multi-Storefront: separate API keys and lists per vendor or storefront.
8. Full server-side security: critical events are sent using your Private API Key from the server, never exposed in the browser.
9. Ad blocker resistant: server-side events reach Klaviyo even when the visitor blocks klaviyo.js.
10. Ready for all Klaviyo Flows: after installation, the events required for every common automation are immediately available — welcome series, abandoned cart, browse abandonment, post-purchase, win-back, VIP, and back-in-stock.

Who this addon is for

• CS-Cart stores running serious email marketing and tracking ROI
• E-shops with active newsletter campaigns suffering from low engagement rates
• Stores with cart abandonment above 65% looking to recover lost revenue
• Brands targeting behavioral segmentation rather than demographic lists
• Multi-Vendor marketplaces that need separate marketing per vendor
• Stores consolidating email and SMS into a single platform
• E-shops that have outgrown basic tools like Mailchimp or Brevo

Compatible with CS-Cart 4.16.x and above.