Set up pre-orders, presale or Back in Stock campaigns for out of stock, coming soon and made to order products. Offer pay in full, partial payment, split payment & deposit with payment schedule. Customize preorder and Notify me widgets, restock alert email to match your theme. Control preorder inventory and set order fullfillment rules. Get 24/7 human support. Use it for DTC or B2B preorders, restock waitlists and back order flows across product, collection and quick buy pages in your store.

Get the most out of your product reviews with all your data consolidated in one platform. Deliver a seamless customer experience with all review requests on brand, on time, and never double-sent – Klaviyo already has all your existing templates and applies smart sending rules to all sends.

Go beyond the basics with Klaviyo’s AI-first B2C CRM. Klaviyo syncs Shopify data in milliseconds so every message and insight reflects what’s happening in your store right now. 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 AI customer service tools that turn browsers into buyers.

Inbox puts an AI-powered sales associate on your storefront. Buyers can ask questions and get help finding the right products from your catalog. When buyers sign in with Shop, your Inbox agent can personalize replies using their preferences and purchase history from across Shopify. Run Inbox with or without the agent. Inbox learns from your catalog, policies, and store content while you control its tone, style, and rules.

Charm Bar lets shoppers create personalized combinations by selecting a base, choosing charms from your collections, adjusting quantities, and previewing the design in real time. Customers can add the base and all selected charms to the cart in a single click, simplifying the purchase flow and increasing order value. The app delivers a smooth, intuitive, and fully responsive experience across desktop, tablet, and mobile, with randomize and start-over controls for faster customization.