Amazon Price Drop Alerter is a production-ready Node.js monitoring tool that tracks Amazon product prices using stealth browser automation and sends instant Discord or email notifications the moment prices drop below your custom thresholds.

Who It's For

• Dropshippers monitoring competitor pricing

• Resellers tracking restocks and price fluctuations

• Deal hunters watching high-ticket items for discounts

• E-commerce businesses protecting margins against market shifts

What You Get

• Concurrent ASIN monitoring across US, UK, DE, FR, and JP Amazon regions

• Playwright-based stealth browser automation with proxy rotation support

• BullMQ + Redis task queue for distributed, scalable monitoring

• SQLite price history database with duplicate alert prevention

• Discord rich-embed notifications and email fallback via SMTP

• Exponential backoff retry logic for 99.9% uptime reliability

• Full TypeScript source with Vitest test suite included

Tech Stack

Node.js 18+ · TypeScript 5 · Playwright · BullMQ · Redis · Better-SQLite3 · Zod