Digital Marketing SaaS
Postbell: AI-Driven E-Commerce Social Marketing SaaS
Automated Social Marketing SaaS Leveraging Generative AI for E-Commerce Content Creation & Scheduling
We engineered Postbell, a SaaS platform combining AI copy generation, automated graphic creation, multi-channel post scheduling, and revenue attribution analytics for e-commerce brands.
E-Commerce Marketing8 monthsTeam: 12 Engineers$150,000Completed & Deployed
Technology
Vue.js 3 / NuxtPython (FastAPI)OpenAI GPT-4 & Stable Diffusion APIPostgreSQL & RedisCelery Distributed TasksStripe SubscriptionsMeta & TikTok Graph APIs
Platform
SaaS Web AppSocial API Connector
+210%
engagement
3.8x
roasIncrease
1.2M+
postsPublished
80%
timeSaved
15,000+
activeBrands
10x Faster
contentSpeed
Overview
Project Overview
Postbell was built for e-commerce and retail brands that need a consistent, high-converting social media presence without maintaining a large in-house marketing agency. Ctas Info Services designed and developed the full SaaS platform from the ground up. Integrating fine-tuned generative AI models, direct Shopify catalog synchronization, multi-channel social APIs (Instagram, Facebook, TikTok, Pinterest), and unified ROAS tracking, Postbell enables brands to create a month of content in minutes while driving a 210% increase in social engagement and 3.8x ROAS.
Client Context
A digital marketing agency powering multi-channel marketing campaigns for fast-growing direct-to-consumer (DTC) brands.
Boosted organic social engagement by 210% for participating e-commerce brands within 60 days
Achieved a 3.8x average ROAS increase on automated social campaign promotions
Processed over 1.2 million automated social posts across 15,000+ connected brand accounts
Challenges
Key Challenges
Obstacles we identified and addressed during the project.
- 1Generating on-brand, high-converting social copy and promotional graphics automatically for diverse retail catalogs
- 2Orchestrating multi-account publishing across Instagram, Facebook, TikTok, Pinterest, and LinkedIn without API suspensions
- 3Handling bulk cloud image rendering and automated promo banner creation under heavy concurrent user loads
- 4Aggregating fragmented social analytics into unified ROI and ROAS attribution dashboards connecting social to sales
Solutions
Our Solutions
Technical and strategic approaches that resolved each challenge.
- Fine-tuned LLM prompts with brand-voice guidelines, catalog data extraction, and hashtag optimization algorithms
- Built a distributed Celery task queue with proxy rotation and rate limiters compliant with Meta and TikTok developer policies
- Engineered cloud canvas rendering microservices for automated product image overlays and promotional campaign banners
- Developed a centralized analytics warehouse mapping social engagement directly to e-commerce store revenues
Highlights
Project Highlights
Key features and achievements delivered.
1
Boosted organic social engagement by 210% for participating e-commerce brands within 60 days
2
Achieved a 3.8x average ROAS increase on automated social campaign promotions
3
Processed over 1.2 million automated social posts across 15,000+ connected brand accounts
4
Reduced marketing team labor by 80%, allowing brands to maintain an active social presence effortlessly
5
Seamlessly integrated with Shopify and WooCommerce catalogs for automated product-to-post creation
Goals
Strategic Objectives
Strategic objectives that guided the project.
Automate e-commerce social media content generation, graphic creation, and multi-channel publishing
Eliminate repetitive manual post creation and scheduling labor for digital marketing teams
Provide clear sales attribution linking social media posts directly to e-commerce store revenue
Strategy
Implementation Approach
Implementation approach and technical decisions.
Outcomes
Achieved Results
Measurable results and business impact.
Sales Lift — Increased social
driven store sales by 42% through consistent promotional post automation
User Growth — Scaled SaaS platform to 15,000+ active e
commerce brand users globally
Client
Our Client
Who we built this for.
Launchpad Digital Agency & E-Com Brands
Digital Marketing & E-Commerce · Agency (15,000+ Brand Accounts) · London, UK & Austin, USA
A digital marketing agency powering multi-channel marketing campaigns for fast-growing direct-to-consumer (DTC) brands.
Client Requirements
- 1
AI generator capable of creating brand-specific social copy and graphics from product URLs
- 2
Automated scheduling and multi-platform posting without manual logins
- 3
Direct revenue attribution tracking connecting social posts to store sales
Solution
Proposed Solution
Our approach and rationale.
Our Approach
A full-stack SaaS application built with Vue.js 3 and Nuxt for a reactive frontend, Python FastAPI and Celery microservices for async AI task processing, OpenAI GPT-4 and Stable Diffusion for content generation, and direct Meta/TikTok API integrations for auto-publishing.
Why We Choose This Solution?
- Reactive Vue 3 drag-and-drop interface provides an exceptional user experience for content scheduling
- Distributed Python Celery queue handles high-volume image rendering and API post publishing reliably
- Extensive experience in AI integration and e-commerce marketing SaaS development
Benefit of This Solution
An automated social marketing SaaS platform that turns product catalogs into engaging, high-converting social content on autopilot.
Features
Key Features
Core platform capabilities delivered.
AI Copy & Graphic Generator
Creates brand-tailored captions, hashtags, and product graphics automatically.
Visual Drag-and-Drop Calendar
Intuitive multi-channel content calendar with automated best-time-to-post scheduling.
Catalog-to-Post Automation
Direct Shopify & WooCommerce catalog integration to auto-generate post ideas from new products.
Multi-Platform Auto-Publishing
Direct API publishing to Instagram, Facebook Reels, TikTok, Pinterest, and LinkedIn.
Unified ROAS Analytics
Live tracking connecting social media interactions directly to e-commerce store revenue.
Brand Safety & Approval Workflows
Multi-member team approval workflows, brand guidelines enforcement, and compliance checks.
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