System Configuration
You can access the system configuration through the Stores > Configuration > WebForms admin page.
Klaviyo Integration Add-on
General settings that are required to connect Klaviyo CRM and Magento.
Public API Token
Your Klaviyo public api token which you can find in Klaviyo Account > Settings > Api Keys.
Private API Token
Your Klaviyo private api token which you need to create in Klaviyo Account > Settings > Api Keys.