How to Build Your Own Postscript
Replace Postscript with a custom build. SMS Marketing and Sales for Shopify Brands
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 47 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Transactional and marketing email delivery
Key Features to Replicate
Top features across 8 categories. See all 47 features
List Growth(7 features)
Acquire high-intent subscribers by allowing shoppers to sign up for SMS notifications when out-of-stock items are restocked
Collect SMS subscribers on checkout pages including Shopify, Shopify Plus, Recharge, Carthook, and custom checkouts
Collect phone numbers and emails on website with customizable design, incentives, and display timing options
Create text-to-join keywords to share across marketing channels and track opt-ins and revenue from different sources
Create standalone landing pages with SMS opt-in forms linkable from email, social media, and other channels
+2 more in this category
Support(5 features)
Dedicated support available for Professional and Enterprise plans to fine-tune strategy and conduct account reviews
Email support via support@postscript.io for troubleshooting and strategy guidance
Comprehensive, always-available self-learning resource with step-by-step guides and video tutorials
Real-time chat support Monday-Friday, 9:00 AM-8:00 PM Eastern with Customer Experience Advocates
Work with Onboarding Specialist to set up first campaigns, automations, list growth, and integrations
Compliance(4 features)
Direct relationships with carrier networks for compliance updates and rate negotiation
Built-in compliance safeguards hard-wired to follow TCPA, mobile carrier, and regulatory guidelines
Team of in-house compliance and legal experts protecting merchants from costly lawsuits
Partnership to track industry regulations and help answer compliance-related questions
AI(3 features)
Train AI models with your brand voice preferences, manage knowledge base, offers, and product catalogue
Test hundreds of on-brand message variants in a fraction of the time using AI technology to optimize campaigns and automations
Always-on 1:1 shopping assistant that answers customer questions and drives sales through meaningful SMS engagement
Infrastructure(3 features)
Free verified toll-free number assigned to each merchant for SMS sending
Premium option for high-volume senders offering faster and more consistent delivery speeds at $750/month
Pre-paid maximum throughput bandwidth with infrastructure redundancies and Twilio partnership for 3x bandwidth
Integration(3 features)
Access to Postscript API for custom integrations and advanced use cases
Sync with help desk, email marketing providers, popup builders, review platforms, and more
SDK for non-Shopify merchants to add desktop/mobile popups, checkout opt-in, and TCPA-compliant language
Promotions(3 features)
Replace traditional coupons with more profitable CashBack offers to boost margins and drive retention
Define minimum spend requirements, eligible products, start/end dates, and usage limits per customer
Add-on tool for CashBack management with A/B testing capabilities to scale promotions with confidence
Analytics(2 features)
Customize click and view attribution windows from default 7-day and 24-hour settings
Choose global UTM parameters for campaigns and automations with custom parameter insertion
Cost Calculator
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Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 47 features at very easy complexity.