# AI-Powered Price Tracking for Latin America: Building PreciosML

> Source: <https://dev.to/golflover2023/ai-powered-price-tracking-for-latin-america-building-preciosml-23pe>
> Published: 2026-08-21 23:50:00+00:00

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?*