SMS Marketing Built for Shopify Brands

We focus on what we do best—making SMS the #1 revenue channel for ecommerce brands. We are building a best-in-class platform that is deeply integrated in the Shopify ecosystem. Want to see how we work? Enter your mobile number below to receive a series of interactive text messages.

Or text DEMO to 24175 (US) / 1-855-976-0915 (Int.)

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Eye-popping results


In revenue generated by Postscript


Online revenue attributed to Postscript SMS


ROI across all customers in all categories

Grow your SMS subscriber list fast

Get everything you need to build an engaged and compliant SMS subscriber list.

Desktop & mobile popups

Collect new phone numbers and emails on your website. Customize the design to match your brand, choose the type of incentive, and select when and where you want your popups to appear. Use Onsite Opt-in to improve your acquisition rates while keeping visitors on your site. 


Create an unlimited number of text-to-join keywords to share across all your marketing channels. Use them to track opt-ins and revenue generated from different sources and campaigns.

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Checkout collection

Collect SMS subscribers on your checkout pages—including Shopify and Shopify Plus, Recharge, Carthook, or any custom checkout pages that are integrated with Postscript.

Landing page & opt-in form

Create a standalone landing page with an SMS opt-in form that you can link to from virtually anywhere—including email messages or social media posts.

QR codes

Create unique QR codes to display on your product packaging, signage, and other physical locations so you can turn in-person brand touchpoints into new SMS subscribers.

Back in stock

Acquire high-intent subscribers when products on your site go out of stock. Shoppers will see a link or banner to sign up for SMS notifications when that item in their desired variant is restocked.

Bub Snax Back In Stock

Send the right message, to the right person, at the right time

Segment and target your messages for just about any use case you can imagine, and trigger automations based on subscriber attributes and real-time behaviors to create a more contextual SMS experience.

Segment Customers By - Left


Fine-tune subscriber and customer segments with more than 45 segmentation filters—including historical Shopify data, SMS activity, data from app integrations, area codes, and more.

Automation triggers

Select from over 65 automation trigger events to fire an automated message at virtually any point in the customer journey. These include keyword replies, checkout started, order created, order in-transit, viewed product, Recharge events, and more. Further personalize experiences by leveraging low inventory and price drop triggers.

Automation Product Added to Cart
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Trigger & user filters

Want to get even more specific with your message timing? Choose from more than 85 trigger filters to further tailor your messaging to a customer’s order—including line items, subtotal price, and total discounts applied. Or, select from more than 45 user filters to align messaging with subscriber attributes like keywords triggered, geographic location, number of orders, and previous purchases. Personalize your messages by splitting flows that branch based on segments a subscriber does or does not belong to.

Turn conversations into conversions

Two-way messaging is where the magic of SMS happens.

Flow Builder

Flow Builder allows your brand to scale personalized one-to-one conversations with your subscribers. Easily build, visualize, and manage SMS campaigns and automations using our intuitive drag-and-drop interface. Create different follow-up responses based on how your subscribers reply or what actions they take, and easily compare the performance of any message using our in-flow analytics.

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Use the Campaign Flow Builder to offer a variety of experiences for your customers, from flash sale announcements and holiday promotions to educational, interactive, or conversational message flows. By pairing campaigns with strategic segmentation, you can engage different parts of your subscriber base with the message content that’s most likely to appeal to them—resulting in higher clickthrough rates, conversions, and overall earnings.


Automatically send a message—or a flow of multiple messages—based on predefined trigger events. Our Automation Flow Builder enables brands to create action-based welcome series, abandoned cart, post-purchase, order shipped, subscription management, back in stock, loyalty offer, and review request messages.

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Manage and respond to incoming subscriber texts via the Responses tab. We use machine learning to help you filter and prioritize conversations based on the sentiment (😁 Positive, 😖 Negative, or Neutral) or the topic (Question, Shipping, Returns, etc.). You can also forward subscriber replies to your support email, integrate with Slack, or connect Postscript to your help desk of choice—including Gorgias, Zendesk, and many others.

Do SMS your way

Build an SMS program as unique as your brand. Set your own preferences for coupons, attribution windows, and short links.


Define minimum spend requirements, eligible products, start and end dates, and usage limits per customer.

Global UTM parameters

Choose your global UTM parameters for campaigns and automations—and insert any additional custom parameters you’d like.

Short link subdomain

Adjust the subdomain of the short links that appear in your texts (e.g.,

Contact card

Create a custom contact card with your brand’s logo, contact name, URL, email, address, and any special notes.

Attribution windows

Change our default 7-day click and 24-hour view attribution windows to whatever time periods you prefer.

Integrations & API

Sync Postscript with your help desk, email marketing provider, popup builder, review platform, and more. For more advanced capabilities and use cases, learn about the Postscript API.

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See all integrations

Success and support

Have a technical question? Wondering how to level-up your SMS strategy? Reach out to our crew of Success and Support reps for fast, reliable guidance. Or, check out our robust, always-available Help Center for self-learning resources.

Live chat, email, & help center

Chat with a real Customer Experience Advocate in real time Monday–Friday, 9:00 AM–8:00 PM Eastern. Or, search through our extensive help center for step-by-step guides and video tutorials.

Onboarding support

Just getting started with Postscript? Work with an Onboarding Specialist to create your first campaigns and automations, grow your subscriber list, set up key integrations, and more.

Dedicated support

Get paired with a dedicated Customer Success Manager who will help you fine-tune your SMS strategy, conduct monthly account reviews, set up your integrations, and more. (Available for Professional and Enterprise plans.)

1,800+ 5-star reviews on the Shopify App store


Ready to make SMS your #1 revenue channel?