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LTV.ai is a production-grade backend platform that powers AI-driven email marketing and multi-channel ecommerce integrations. Built with NestJS and TypeScript, it serves as the core API for the LTV.ai ecosystem.

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What LTV.ai Does

Email Marketing

AI-powered email sequence generation, dynamic segmentation, A/B testing, and automated scheduling via the Reactivate module.

Ecommerce Integrations

Native integrations with Shopify and BigCommerce for order tracking, product sync, and customer data.

AI Content Generation

AI-powered content generation for email copy, image generation, and customer segmentation.

Dynamic Segmentation

Behavioral customer segmentation with automated clustering and targeting for personalized campaigns.

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Tech Stack

LayerTechnology
FrameworkNestJS 10.x with TypeScript
Primary DatabasePostgreSQL via TypeORM
Analytics DatabaseClickHouse
Cache & SessionsRedis
SearchElasticsearch
API LayerREST + Apollo GraphQL
CloudAWS (S3, SQS, SES, Lambda, KMS, Batch)
Email DeliverySendGrid
MonitoringNew Relic

​
Project Structure

shoptoken-backend/
├── apps/
│   └── shoptoken-merchant-api/src/    # Main NestJS application
│       ├── reactivate/                 # Email automation (23 controllers)
│       ├── public-api/                 # GraphQL public API
│       ├── core/                       # Core domain entities
│       ├── webhook/                    # Webhook handlers
│       ├── cron/                       # Scheduled jobs
│       └── config/                     # Configuration
├── db/
│   ├── postgres/                       # PostgreSQL migrations
│   └── clickhouse/                     # ClickHouse migrations
├── lambdas/                            # AWS Lambda functions
├── terraform/                          # Infrastructure as Code
└── docs/                               # Technical docs

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Key Features

  • AI email generation with a structured multi-phase workflow
  • Dynamic customer segmentation with behavioral analysis
  • Multi-brand support with per-brand customization
  • Product catalog sync across ecommerce platforms
  • Batched email scheduling via SQS queues
  • Comprehensive analytics with ClickHouse and Elasticsearch
  • OAuth SSO for Shopify, BigCommerce, Microsoft, and Google