AI-Powered Price Tracking for Latin America: Building PreciosML

A developer built PreciosML, an AI-powered price tracking system for Latin American e-commerce, covering retailers like Falabella, MercadoLibre, and Amazon Mexico. The system uses crawlers, price normalization, and a Telegram alert bot to notify subscribers of price drops, addressing challenges like varying page structures and anti-bot measures.

Price monitoring in Latin America sounds simple. Until you try it. Between Falabella, MercadoLibre, Amazon Mexico, and dozens of regional retailers — each with different page structures, anti-bot measures, and currency systems — getting reliable price data is a nightmare. Here's how we solved it. We needed to track prices across: Each country has different: python Simplified pipeline class PriceMonitor: def init self : self.crawlers = { 'falabella cl': FalabellaCLCrawler , 'mercadolibre ar': MercadoLibreCrawler , ...30+ more } self.normalizer = PriceNormalizer self.alerts = AlertEngine def crawl all self : for store, crawler in self.crawlers.items : products = crawler.get products normalized = self.normalizer.normalize products self.alerts.check normalized Converting "CLP $19.990" to USD requires: We rotate through residential proxies, use Playwright with stealth plugins, and implement human-like browsing patterns. When a price drops below threshold, subscribers get instant alerts via Telegram bot: 🔥 PRICE DROP ALERT Product: Samsung Galaxy S24 Store: Falabella Chile Old: CLP $899,990 New: CLP $649,990 -28% Link: Shop Now Free Telegram bot: @PreciosML2 bot GitHub: Coming Soon What e-commerce platforms in your region would you want price monitoring for?