Postscript

Scale relationships and revenue with SMS marketing for e-commerce brands.

by Postscript · Marketing Automation

Executive Summary

Postscript is a leading SMS marketing platform designed specifically for e-commerce brands, particularly those on Shopify. It enables businesses to grow their subscriber lists, develop and test messaging strategies, deliver personalized customer service, and drive purchases and loyalty through text messages. The platform differentiates itself through its deep focus on SMS, AI-powered features for message optimization and customer engagement, and a strong emphasis on compliance and strategic guidance to maximize revenue.

Use Cases

  • Abandoned Cart Recovery: Sending automated reminders to customers who left items in their cart.
  • Welcome Series: Engaging new subscribers with a series of personalized messages.
  • Post-Purchase Engagement: Driving loyalty and repeat orders through tailored post-purchase experiences.
  • Product Launches & Promotions: Announcing new products or sales to segmented subscriber lists.
  • Customer Service & Support: Handling inquiries and providing assistance via two-way SMS conversations.
  • Feedback Collection & Surveys: Polling subscribers for product feedback or company decisions.

Features

Visibility

  • Message Analytics: Track key metrics like Click-Through Rate (CTR), orders, revenue attributed to messages, and unsubscribe rates for campaigns and automations.
  • Subscriber Analytics: Monitor subscriber growth, opt-in sources, revenue per subscriber, and earnings per message to understand audience value.
  • Segmentation and Filtering: Create highly targeted audience segments using over 40 filters based on customer behavior, purchase history, and SMS engagement.
  • Real-time Performance Tracking: Access dashboards to monitor the performance of SMS programs and make data-backed decisions.

Intelligence

  • AI-Powered Message Generation (Brand Center): Train AI models on your unique brand voice to generate high-converting, on-brand SMS copy with multiple review checkpoints.
  • Infinity Testing: Automatically generate and test hundreds of message variants, optimizing for the highest ROI in campaigns and automation flows.
  • Shopper AI Assistant: An AI-powered shopping assistant that proactively engages subscribers, answers product questions, recommends items, and drives conversions with personalized, real-time responses.
  • Smart Send-Time Optimization: AI analyzes customer behavior to determine the most effective times to send messages, increasing engagement and conversions.
  • Conversation Insights: Unlock valuable insights from 1:1 customer conversations, allowing filtering by topic, scanning AI-written summaries, and tracking trends.

Support

  • Help Center & Documentation: Extensive, searchable online knowledge base with guides, FAQs, and resources for all aspects of the platform.
  • Live Chat Support: Real-time assistance available Monday-Friday during business hours (Pacific Time).
  • Email Support: Support available via email for technical questions and assistance.
  • Dedicated Customer Success Manager (CSM): For Professional and Enterprise plans, a dedicated CSM provides ongoing strategic recommendations and support.
  • Dedicated Onboarding Specialist: For Professional and Enterprise plans, a specialist helps with initial setup and optimization.

Technical Specifications

Architecture
Cloud-native SaaS
Deployment
Cloud/SaaS
Authentication
Standard login with email/password, likely supports SSO for enterprise tiers.
API Available
Yes
MCP Server
No

AI/ML Stack

  • NLP
  • Machine Learning
  • Generative AI

Security & Compliance

Certifications: GDPR

Encryption: Industry-standard encryption for data at rest and in transit (implied for SaaS platform).

Pricing

Model
Tiered subscription with usage-based messaging fees (per SMS/MMS).
Starting Price
Starter: Free to install ($49 monthly minimum spend), Growth: $100/month, Professional: $500/month, Enterprise: Custom pricing.
Target Customer
SMB to Enterprise e-commerce brands, particularly Shopify merchants.
Contract Type
Flexible, no long-term contracts required, with options for commitment discounts.
Free Trial
Yes, 30 days (credit card required)

Ratings & Reviews

G2: 4.7/5

About Postscript

Postscript is an SMS marketing platform specifically designed for Shopify businesses. It helps e-commerce stores make SMS their #1 revenue channel by enabling automated customer engagement and conversions.

Founded: 2018 · Headquarters: Scottsdale, Arizona, USA · Employees: 201-500 · Private