Yes, it is possible to use Klaviyo with WordPress. There are a few different ways to integrate Klaviyo with WordPress, depending on the features you want to use and the level of integration you need.
One way to use Klaviyo with WordPress is to install the Klaviyo WordPress plugin. This plugin provides a basic integration between WordPress and Klaviyo, allowing you to add a signup form to your WordPress site and collect basic information about your subscribers.
If you need a more robust integration between WordPress and Klaviyo, you can use the Klaviyo API to connect the two platforms. This approach gives you more control over the data that is passed between WordPress and Klaviyo, and lets you use more Klaviyo features within your WordPress site.
You can find more information about using Klaviyo with WordPress here: