Klaviyo & Email

SMS Marketing (DTC)

Quick definition

Direct text messaging to opted-in subscribers. Higher conversion than email per send, but higher cost-per-send and compliance constraints.

What it actually means

SMS converts 3-5x higher per send than email for DTC, with a typical revenue-per-message of $0.50-$1.50. Best use cases: cart abandonment (immediate, time-sensitive), product drops (urgency), back-in-stock alerts, VIP exclusive offers. Compliance is critical — TCPA in the US, PECR in UK, GDPR in EU. Subscribers must explicitly opt in with double consent. Sending unsolicited SMS is a fast path to lawsuits and carrier blocks.

Related terms

Flow (Email/SMS)

An automated sequence of messages triggered by a customer action — welcome, abandoned cart, post-purchase, etc.

Klaviyo

A behavioral email and SMS platform purpose-built for eCommerce, with native Shopify integration and event-level customer data.

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