Add WordPress Blog Commenters to Klaviyo Email List

This trigger checks your WordPress site hourly for new published comments and captures the commenter's details including their email address, name, and comment content. The system automatically polls your WordPress comments API every hour to detect new activity.

No configuration is needed - it connects to your existing WordPress installation and starts monitoring immediately once you activate the workflow.

This step checks whether the commenter provided an email address before proceeding to the next step. It examines the author email field from the WordPress comment data and only allows comments with valid email addresses to continue through the workflow. Comments without email addresses are automatically filtered out and the workflow stops for those entries. The filter uses "is not empty" logic to ensure there's actually an email address present.

This step connects to your Klaviyo account and downloads the complete list of profiles (email addresses) currently subscribed to your chosen email list. You'll need to specify which Klaviyo list you want commenters added to by selecting it from the dropdown menu. The system retrieves all profile data including email addresses, subscription status, and other customer information. This data gets passed to the next step for comparison against the new commenter's email.

This step loops through all the profiles retrieved from Klaviyo and compares each email address against the commenter's email address from WordPress. It counts the exact number of matches found - typically this will be either 0 (not subscribed) or 1 (already subscribed). The loop examines every profile in your list and increments a counter each time it finds the commenter's email address. This count determines whether the next step should run or be skipped.

This step checks if the match count from the previous step equals zero, meaning the commenter isn't already subscribed to your Klaviyo list. Only when the count is exactly 0 does the workflow proceed to actually subscribe the person. If the count is 1 or higher (meaning they're already subscribed), the workflow stops here and doesn't attempt to add them again. This prevents duplicate subscriptions and respects existing subscriber preferences.

This final step creates a new subscriber profile in your specified Klaviyo list using the commenter's email address from WordPress. You'll need to select the same Klaviyo list you chose in Step 3 to ensure consistency. The system automatically sets the subscriber's marketing consent to "SUBSCRIBED" and creates their profile with the email address they used when commenting. The subscription happens in the background and the new subscriber will appear in your Klaviyo dashboard within a few minutes.