You must: Be an Owner, Admin, or Manager. Have set up SMS in Klaviyo. Are on a paid account.

Learn how to set up a tap-to-text sign-up form to collect phone numbers from new prospects. With tap-to-text, site visitors can click a button in your sign-up form to automatically open their text messaging app where Klaviyo has added a message. They only need to send the message to subscribe.

Learn how to create a sign-up form that retargets your existing email subscribers to ask them if they want to sign up for SMS marketing. Collecting phone numbers from your email subscribers enables you to engage across multiple channels, and tailor messages based on subscriber preferences to create more personalized experiences.

To use Smart Opt-in, you must have: A paid SMS plan. Set up SMS in your account.