Hello All,
I am newer in Klaviyo. I need to show a newsletter form in shopify, which accept email id and save the email ID to klaviyo first and then it should sync to shopify.
I also need to prevent users to add duplicate email id on sign up form, if they add existing email id, it should show a message like “Email id already exists.”.
Can someone help me to achieve this?
Best answer by alex.hong
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