Convertful is a suite of popups and widgets used to engage customers. You can send email addresses and data collected by Convertful directly into Klaviyo via a Convertful-Klaviyo integration.
While Klaviyo does not have a built-in integration with Convertful, you can still integrate your Convertful account with Klaviyo. This is possible via an integration available through Convertful.
For integration instructions, view this article in Convertful's Knowledge Base: How to Connect Convertful with Klaviyo