Advanced Form Integration plugin allows you to integrate Any Sender Platform to Klaviyo. When a user fills a form on your website, the plugin will send the data to your Klaviyo account and create a contact in the preferred contact list. You can also add custom fields.

Supported Features

  • Free: Create a new contact with all basic (First Name, Last Name, Email & Phone, Address, etc.) fields. It also allows adding the contact to a preferred contact list.
  • Paid: Additionally, allows to add custom fields.

Obtaining Klaviyo API Key

Before start, you are required to save the API Key in plugin settings.

  1. Go to the WordPress admin area, click AFI > Settings.
  2. Select the Klaviyo tab.
  3. Click on the link and you’ll be taken to the API Kyes page. Click on Create API Key if not exists, then copy it.
  4. Paste the Key in the API Key input box and click Save Changes.

Create New Integration

Once API Key is saved you can start creating new integration. Click on Add New under AFI menu, New Integration page will appear.


A default title will be auto-generated with an auto incremental number. You can rename it to something related to the task. It will help you to quickly recognize the correct one when there is multiple integrations setup.


Select Correct Sender Form in Form Provider dropdown. Desired Form plugin must be installed and activated otherwise you won’t see it listed. After selecting Correct Form, all forms built under that form will be fetched and auto-populated in the Form/Task Name dropdown. Select the form that you want to integrate.


Select Klaviyo in Platform dropdown. In Pro version you’ll get the option Klaviyo [PRO]. Select that.

Klaviyo – Free version supports basic contact fields.

Klaviyo – Pro version supports custom fields.

Map Fields

Available contact lists will be auto-populated. Select the desired one. Map Email, First Name, Last Name, etc., and other fields that you want. Skip the fields that not needed. Finally, click the Save Integration button.

Klaviyo – Map Fields

Conditional Logic

Please check the documentation on Conditional Logic .