Josef Büttgen

CartGhost - Recover abandoned carts with AI via WhatsApp

Every day, Shopify stores lose revenue to abandoned carts. Email recovery tools exist, but in Europe, Latin America and Asia, WhatsApp is where people actually respond. CartGhost identifies abandoned carts in real-time and sends AI-powered, conversational WhatsApp messages that feel personal and bring back visitors to where they left off. Customers reply, ask questions and complete their purchase.

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Josef Büttgen
Hey fellow builders, For the last two years I've been building Setter AI (trysetter.com) and dived deep into the WhatsApp ecosystem, building AI-powered lead generation bots for various industries. In this time I learned how powerful WhatsApp as a platform is, serving over 3 billion people and allowing you to reach anyone instantly. At the same time, seeing the rise of e-commerce and online stores started by independent founders all over the world, I've been curious about the space itself and all the possibilities it holds when bringing in smart tech at the right spot, for a long time. With CartGhost I'm now looking to enable a new generation of store owners to fully max out the potential of their stores by automating the most promising parts and processes of their stores through AI. Cart recovery is just start. From then on, it's gonna be all about evolving into the ultimate tool to make merchants lives easier.
romain delgado

WhatsApp for cart recovery is a smart bet. Open rates crush email and SMS on that channel, no debate there. But I'm curious about the European side.

Meta's WhatsApp Business API has strict template approval rules, and GDPR consent for transactional messages on WhatsApp sits in a grey zone most merchants don't think about until they get flagged. How are you handling opt-in flows? Integrated into Shopify checkout directly, or does the merchant need a separate consent layer?

Also curious about recovery rates. Most email-based solutions I've tested hover around 5-10% on abandoned carts. What are you seeing on WhatsApp specifically?