Link a Klaviyo Form or Popup

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Postscript integrates with Klaviyo, allowing you to share information between the two solutions.

About Klaviyo


Klaviyo is an automated marketing campaign solution that focuses on email, social advertising, and analytics. By linking your Klaviyo account with Postscript, you can grow your SMS subscriber list through Klaviyo forms, popups, and email lists.

Once you've set up your Klaviyo integration, you can link Klaviyo forms and popups in Postscript.

Locate Your Form or Popup ID


Form and popup IDs live in Klaviyo. You'll need to know a form or popup ID in order to link it in Postscript.

  1. Select Signup Forms in the side menu of your Klaviyo dashboard.
  2. Select the name of the form or popup you need to link.
  3. Locate form or popup ID in the URL address. You'll need to copy or write down the ID so you can enter it in Postscript.
    • In the above example, the URL is https://www.klaviyo.com/forms/SgvNJf.
    • The form ID is SgvNJf
  4. Exit the form by selecting Exit in the top-right corner of the page.

Once you have your form or popup ID, you can enter it in Postscript. 

  1. Select Apps in the side menu of your Postscript dashboard, then select List Growth.
  2. Locate and select your Klaviyo integration.
  3. Beneath your API details, select I want to collect phone numbers from Klaviyo forms directly.
  4. Select Add New Form.
  5. In the popup, paste your Klaviyo Form ID in the corresponding field.
  6. Review TCPA compliance and select I certify TCPA Compliance in the bottom-right corner of the popup.

We recommend you test your form or popup once you've linked it in Postscript to ensure it is collecting subscribers correctly.

Compliance Language Requirements


When collecting subscribers, the TCPA requires you to include necessary compliance language that informs visitors that they are opting into SMS messaging from your store.

Here's the TCPA-compliant language:

*I agree to receive recurring automated marketing text messages (e.g. cart reminders) at the phone number provided. Consent is not a condition to purchase. Msg & data rates may apply. Msg frequency varies. Reply HELP for help and STOP to cancel. View our Terms of Service and Privacy Policy.

You should now be all set to grow your SMS subscriber list with a Klaviyo form or popup!

Get Support


Have questions? Please feel free to reach out to our wonderful Support team at support@postscript.io or via live chat. You can also submit a support request here!

Need ongoing channel strategy guidance? Please fill out this form and we'll connect you to one of our certified partners.

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