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.

Recover lost sales and increase revenue with Back in Stock alerts sent via email and SMS. Let customers join waitlists for Out of Stock products with automatic Restock notifications. Support Notify Me widgets for Back in Stock alerts, preorder waitlists, price drop notifications, and low stock warnings - converting interested shoppers into paying customers. Customize Back in Stock alert templates to match your brand and retarget subscribers with exclusive offers to maximize conversion rates.

Our verification technology enables you to expand your customer reach and turn visitors into loyal customers with gated discounts. Instantly verify and convert high intent shoppers with targeted offers built just for them. Enjoy a seamless integration with your website so you stay in complete control of the user journey and who, how, where and when your offers can be redeemed. Capture and leverage verified zero-party data to supercharge customer engagement and build brand loyalty.

This app is for merchants with an active Klarna Payments integration. Note: this app will not add Klarna as a payment method. Use this app to boost your business with messaging that lets your shoppers know that Klarna is an available payment option throughout the entire shopping journey.

Rebuy personalizes every step of the shopping journey with AI-powered upsells, cross-sells, and smart product discovery and merchandising tools. Our core packages — Cart & Merchandising, Checkout & Post Purchase, Search & Collections, and Flows & A/B Testing — help brands boost AOV and LTV. Plus, Rebuy Monetize unlocks new, incremental post-purchase profit! Grow faster with flexible no-code, low-code, and custom code solutions trusted by top Shopify stores to convert more and grow faster.