Amazon Price Tracker Bot 📉

A Telegram bot that tracks Amazon product prices and notifies users when prices change. Built with Python, FastAPI, Aiogram, and MongoDB.

Features

• Track Products: Send an Amazon product link to the bot to start tracking.
• Real-time Data: Fetches product details (price, title, rating, image) using RapidAPI.
• Automatic Monitoring: Checks prices every 30 minutes in the background.
• Smart Notifications: Sends alerts only when the price drops or increases.
• Manage List: View all tracked products and delete items you no longer want to watch.
• Multi-user Support: Handles multiple users and their individual tracking lists.

Tech Stack

• Language: Python 3.9+
• Bot Framework: Aiogram 3.x
• Backend API: FastAPI
• Database: MongoDB (using Motor for async driver)
• HTTP Client: HTTPX
• External API: Real-Time Amazon Data API (via RapidAPI)

Prerequisites

Before running the project, ensure you have:

1. Python 3.9 or higher installed.
2. A MongoDB database (local or cloud like MongoDB Atlas).
3. A Telegram Bot Token from @BotFather.
4. A RapidAPI Key for the Real-Time Amazon Data API.

Installation

1. Clone the repository:

   git clone https://github.com/yourusername/amazon-price-tracker.git
   cd amazon-price-tracker

2. Create a virtual environment:

   python -m venv venv
   source venv/bin/activate  # On Windows: venv\Scripts\activate

3. Install dependencies:

   pip install fastapi uvicorn aiogram motor httpx python-dotenv

4. Configuration:

   Create a .env file in the root directory and add the following variables:

   # Telegram Bot
   BOT_TOKEN=your_telegram_bot_token
   
   # MongoDB
   MONGO_DB=mongodb://localhost:27017
   DB_NAME=AmazonTracker
   
   # RapidAPI (Amazon Data)
   AMAZON_KEY=your_rapidapi_key
   AMAZON_URL=https://real-time-amazon-data.p.rapidapi.com/product-details
   
   # API Configuration
   API_URL=http://127.0.0.1:8000

Usage

You need to run the API backend and the Telegram bot separately.

1. Start the API Server:

   uvicorn api.main:app --reload

2. Start the Telegram Bot:

   python bot/bot.py