Track Amazon product prices with ScrapeGraphAI, Google Sheets & Telegram alerts

This workflow automates the process of monitoring Amazon product prices and sending alerts when a product’s price drops below a defined threshold.

It integrates ScrapeGraphAI, Google Sheets, and Telegram to provide a complete end-to-end price tracking system.

Key Advantages

1. 💡 Intelligent Scraping

   • Uses ScrapeGraphAI to extract structured data (product prices) from complex Amazon pages — even those with dynamic JavaScript rendering.

2. 📊 Centralized Tracking

   • All products and price history are managed in a Google Sheet, making it easy to review and update data.

3. ⚡ Real-Time Alerts

   • Sends instant Telegram notifications when a product’s price drops below its previous minimum — helping users take quick advantage of deals.

4. 🔁 Fully Automated

   • Once set up, it runs on a schedule with no manual input required, automatically updating and alerting users.

5. 🧩 Modular & Extensible

   • Built entirely with n8n nodes, making it easy to customize — for example, adding new alert channels (email, Slack) or additional data checks.

6. 🕒 Time-Efficient

   • Eliminates the need for manual price checking, saving significant time for users monitoring multiple products.

How it Works

This automated workflow tracks Amazon product prices and sends an alert via Telegram when a product hits a new lowest price. Here's the process:

1. Trigger & Data Fetch: The workflow is initiated either on a scheduled basis (every 10 minutes) or manually. It first connects to a designated Google Sheet, which acts as a database, to fetch a list of products to monitor. Each product's details (Name, URL, and current "MIN PRICE") are read.

2. Price Scraping & Comparison: The workflow loops through each product from the sheet. For each product, it uses ScrapeGraphAI to navigate to the Amazon product page, render JavaScript-heavy content, and extract the current price. This newly scraped price is then compared to the "MIN PRICE" value stored in the Google Sheet for that product.

3. Conditional Alert & Update:

   • If the new price is lower, two actions are triggered: a. Sheet Update: The Google Sheet is updated with the new, lower "MIN PRICE" and the current date. b. Telegram Notification: A message is sent to a specified Telegram chat, announcing that the product has hit a new lowest price, including the product name and a link.
   • If the price is not lower, no action is taken for that product, and the workflow moves on to the next one in the loop.

Set up Steps

To implement this workflow yourself, follow these steps:

1. Prepare the Google Sheet:

   • Create a copy of the provided template spreadsheet.
   • In the sheet, fill in the columns for PRODUCT (name), URL (the full Amazon product link), and MIN PRICE. When adding a new product, set the MIN PRICE to a very high value (e.g., 9999) to ensure the first real price triggers an alert.

2. Configure n8n Credentials:

   • Google Sheets: Set up a "Google Sheets account" credential in n8n using OAuth2 to grant the workflow access to your copied spreadsheet.
   • ScrapeGraphAI: Configure the "ScrapegraphAI account" credential with your API key from the ScrapeGraphAI service.
   • Telegram: Set up a "Telegram account" credential with a Bot Token obtained from the BotFather in Telegram. You will also need your specific chatId for the node.

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