SMS Program Launch for D2C Brands

The problem we keep seeing with SMS

Most D2C brands launch SMS the way they launched email in 2019. Someone signs up for a Postscript account, drops a popup on the site, and starts sending. Within a month the list is growing but unsubscribes are climbing, compliance is shaky, and the team is sending the same promo copy they send on email just trimmed to 160 characters. That is the frame we most often walk into.

The second pattern is a brand that has been running SMS for a year or more with no flow architecture. Everything is campaign based. A welcome text goes out on opt in and that is it. No browse abandon, no checkout abandon, no replenishment, no VIP program. Campaign attribution looks fine because SMS is such a high intent channel, but the automated revenue share is near zero. That means the brand is paying per message instead of letting flows carry the load.

The third pattern is compliance drift. Quiet hours are ignored. Disclosure language on the popup does not match what the carrier guidelines require. The brand is sending marketing messages to customers who only opted in to order updates. This works until it does not. One carrier complaint can throttle your short code for weeks. The launch phase is when you build the compliance muscle that protects the program.

Our approach to an SMS program launch

1. Platform selection and contract. We benchmark Postscript, Attentive, and Klaviyo SMS against your volume, team, and stack. You get a recommendation with the tradeoffs in writing.
2. Compliance and consent framework. Popup disclosure copy, checkout opt in language, keyword campaigns, and quiet hour rules by timezone. Documented consent capture on every surface.
3. List growth plan. On site popup with two step opt in for email and SMS, checkout opt in, keyword campaigns, QR on packaging, and list growth goal set against monthly sessions.
4. Flow build. Welcome series, browse abandon, cart abandon, checkout abandon, post purchase, replenishment where relevant, and VIP. SMS flows are shorter and more direct than email. Copy is rewritten for the channel, not trimmed from email.
5. Campaign calendar. Cadence rules by segment, blackout windows around major sale moments to prevent collision with email, and a segmentation framework that protects engaged subscribers from over messaging.
6. Launch and monitor. 30 day intensive watch period with daily review of opt out rate, click rate, and revenue per recipient.

What you get

▸ Platform selection document with recommendation and scoring across four dimensions. ▸ Compliance framework covering consent capture, disclosure copy, quiet hours, and carrier rules. ▸ On site popup build or revision with two step opt in. ▸ Checkout opt in copy and placement review. ▸ Keyword campaign strategy including ad creative keywords and in store codes. ▸ Seven core SMS flows built, QA checked, and live. ▸ 90 day campaign calendar with cadence rules and audience per send. ▸ Reporting dashboard covering list growth, opt out rate, revenue per recipient, and flow contribution. ▸ Runbook for your team covering the day to day operating rhythm.

Timeline

Phase one, week one. Platform selection, contract, and compliance framework. Consent copy approved by end of week.

Phase two, weeks two to three. List growth assets built and live. Popup, checkout opt in, and keyword campaigns active. List starts growing.

Phase three, weeks three to four. Flow build. All seven core flows drafted, approved, and scheduled.

Phase four, week five. Launch and watch. Flows live, first campaigns scheduled, daily monitoring of opt out rate and revenue per send.

Mini case anatomy

A mid tier supplement brand launched SMS with us after two years on email only. Email was owning about 29 percent of revenue. They wanted an incremental channel without cannibalizing email performance.

We picked Postscript based on volume and team size. Built the two step popup with email capture first and SMS on step two, which protected email list growth while seeding SMS. Launched seven flows on day one. Wrote copy that was noticeably different in tone from email. Shorter, more urgent, and more driven by inventory and drop signals.

By day 90 SMS was sitting at around 11 percent of revenue with an opt out rate under 1.2 percent per send. Email revenue share held steady in the high 20s, so SMS was largely incremental. Combined owned channel revenue share crossed 40 percent for the first time. Repeat rate climbed by roughly 8 points, though we attribute part of that to the replenishment flow specifically. For the broader playbook see SMS marketing for DTC 2026.

SMS works best when email is already strong. If your email program needs work first, start with Klaviyo implementation or an email flow audit. Brands that want to push repeat rate harder should also look at winback program and loyalty program. Everything ladders up to the retention marketing hub. For the LTV math behind the investment see our note on ecommerce customer lifetime value.

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