Add “Notify Me,” “PreOrder,” or “Wishlist” buttons to out-of-stock product, home, and collection pages. Send auto restock alerts via email/SMS/push. Accept D2C/B2B pre-orders with discounts, notes, and partial payments. Show low stock with a “only X left” counter for FOMO and forecast inventory with low stock alerts. Wishlist lets shoppers save items and return later, boosting engagement and recovery. More presale, back in stock and wish list features with GDPR and details Inside Notify Me!™.

Klaviyo Reviews collects text, photo, and video reviews with automated email and SMS requests from prebuilt flows. Verified reviews build trust, and AI helps customers write reviews and drafts your replies in your brand voice. Show ratings, summaries, and reviews in on-brand widgets, sync to Google Shopping, and add custom questions. Because reviews live in your CRM, segment on ratings, personalize across channels, feature reviews in campaigns and flows, and route low ratings to support.

Go beyond the basics with the Klaviyo marketing app. New stores get a guided setup — sign-up form, welcome email, and abandoned-checkout flow — without leaving Shopify Admin. Unify data from 350+ integrations and boost marketing performance with campaigns, smart segmentation, and automated workflows from Klaviyo’s AI Agents. Over 117k brands use Klaviyo and Shopify to grow faster with personalized emails, SMS, WhatsApp messages, and marketing automation tools that turn browsers into buyers.