A seller lead generation platform for Amazon marketplace professionals. Collects and analyzes seller data from the Keepa API to help businesses identify and qualify high-value leads. Enables PPC agencies, aggregators, and B2B companies to segment sellers by health score, product velocity, category, and other metrics for targeted outreach. Built with Laravel 12 + Vue 3 + Inertia.js + TypeScript + PostgreSQL. Uses Laravel Horizon for queue management and Laravel Workflow for data pipelines. Velocity scoring algorithm (0-100) combining product growth and rating trends.