Postscript Competes for Merchant Wallet

Postscript is trying to move from being the pipe that sends texts to being the layer that helps close the sale. If Shopper can answer product questions, handle objections, and recommend items inside the same SMS thread, Postscript can charge against a much larger budget than campaign delivery alone, because it starts to influence conversion, average order value, and repeat purchase behavior, not just message volume.1 2 3 4

• The playbook already exists in ecommerce marketing. Klaviyo grew by turning customer data into usable segments and automations, then expanded from email into SMS, in app, and CDP tools so it could capture more of the same merchant wallet.2 4
• Conversational messaging is a natural expansion path because merchants already use SMS for abandoned carts, promotions, and replies. The next step is handling thousands of one to one product questions at scale, using purchase history and browsing data to make each response more likely to convert.1 4
• This also puts Postscript into a wider competitive set. Gorgias is pushing from support into AI sales and marketing, while Attentive and Klaviyo bundle SMS with email and personalization. Winning now depends less on basic sending and more on who owns the richest customer profile and the most revenue producing workflows.1 3 5 6

The next phase is a stack fight for merchant wallet share. If Postscript can make SMS feel like a selling channel instead of a broadcast channel, email becomes the logical follow on product, and the company gets a clearer path from a $150M revenue SMS tool into a broader ecommerce marketing platform.1 5 6