Klaviyo's Edge in Conversational SMS
Brian Whalley, Co-Founder of Wonderment, on Klaviyo's product-market fit
Conversational texting is where SMS stops being a cheap blast channel and starts becoming a workflow product. Once brands let shoppers text back with shipping questions, product questions, or cart objections, the hard part becomes routing, staffing, and automating thousands of live threads without losing context. That is why Klaviyo, Attentive, and Postscript are all converging on the same feature set, even though they started from different strengths in data, opt in, and Shopify depth.
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Klaviyo has the clearest built in advantage because the customer profile already lives inside its email and CRM stack. A merchant can use purchase history, site behavior, and prior campaigns to decide who gets a text, what the reply says, and when a human should step in, which turns texting into an extension of its broader customer data system.
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Attentive and Postscript came from the SMS side first. Attentive built around subscriber capture and richer message formats, from Two-Tap sign up to RCS, while Postscript won Shopify merchants with lower cost messaging, automations tied to commerce events like order in transit, and simple usage based pricing.
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The category is also drifting toward support software. Gorgias already pulls SMS into a shared help desk with order history and agent workflows, which shows where conversational texting heads next. The winner is less likely to be the company that sends the most texts, and more likely the one that best handles replies at scale.
From here, ecommerce messaging platforms will look more like AI assisted inboxes than campaign tools. Texting will be bundled with customer data, support actions, and agent automation, which favors platforms that can unify outbound marketing with inbound conversation and resolve more threads without adding headcount.