Subscribers Email Validation

  • 7 November 2021
  • 1 reply

Badge +2


I have created a popup linked to a list called subscriber popup. And I have linked this list to a flow which triggers emails with discount codes (Coupons) once a new customer is added to the list.

  • How can I have validation on this popup so in case this email is already existing in the list, a message should be shown like “You are already a customer..”?

Best answer by alex.hong 8 November 2021, 23:17

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1 reply

Userlevel 7
Badge +58

Hi there @mahmoud.yosri,

Welcome to the Community and thanks for posting your great question here!

Unforunately, Klaviyo's Form doesn't allow this type of setting. We don't currently have this functionality, but there is a request logged with our Product team towards adding it. However, you have the option to hide your form to the existing Klaviyo Profiles:


Please note that you might achieve your goal using a third-party Form or a custom coding one, but I would have to point you in the option of finding a developer as we cannot assist as much with that creation process.


Have a good day!