CartHook is a Shopify App which creates a one-page checkout for customers. Integration with CartHook enables your businesses to implement one-page checkouts and send cart abandonment data directly into Klaviyo.
While Klaviyo does not have a built-in integration with CartHook, you can still integrate your CartHook account with Klaviyo. This is possible via an integration available through CartHook.
For integration instructions view CartHook's guide: How to Integrate with Klaviyo