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Automatic Magento 2 product & coupon alerts to Telegram with duplicate protection

Kanaka Kishore KandregulaKanaka Kishore Kandregula
538 views
2/3/2026
n8n
Official Page

Boost Sales with Automated Magento 2 Product and Coupon Notifications

This n8n workflow automatically posts new Magento products & coupons to Telegram while preventing duplicates. Key benefits:

✅ Increase conversions with time-sensitive alerts (creates urgency)

✅ Reduce missed opportunities with 24/7 monitoring

✅ Improve customer engagement through rich media posts

✅ Save hours per week by automating manual posting

Why This Works:

  1. Triggers impulse buys with real-time notifications

  2. Eliminates human error in duplicate posting

  3. Scales effortlessly as your catalog grows

  4. Provides analytics through database tracking

Perfect for e-commerce stores wanting to:

  • Announce new arrivals instantly

  • Promote limited-time offers effectively

  • Maintain consistent social presence

  • Track performance through MySQL

This workflow automatically:

✅ Detects new products AND coupons in Magento

✅ Prevents duplicate postings with MySQL tracking

✅ Posts rich formatted alerts to Telegram

✅ Runs on a customizable schedule

✨ Key Features

For Products:

  • Product name, price, and image

  • Direct store link

  • Media gallery support

For Coupons:

  • Coupon code and status

  • Usage limits (times used/available)

  • Active/inactive status indicator

Core System:

🔒 MySQL duplicate prevention⏰ 1-hour schedule (customizable)📱 Telegram notifications with Markdown

🛠️ Configuration Guide

Database Setup

CREATE TABLE IF NOT EXISTS posted_items (item_id INT PRIMARY KEY, item_type ENUM('product', 'coupon') NOT NULL, item_value VARCHAR(255), posted BOOLEAN DEFAULT FALSE, created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP);

Required Credentials

  1. Magento API (HTTP Header Auth)

  2. MySQL Database

  3. Telegram Bot

Sticky Notes

`❗ IMPORTANT SETUP NOTES ❗

  1. For products: Ensure 'url_key' exists in custom_attributes

  2. For coupons: Magento REST API must expose coupon rules

  3. MySQL user needs INSERT/SELECT privileges

  4. Telegram bot must be added to your channel first

🔄 SCHEDULING: - Default: Checks every 1 hours at :00 - Adjust in Schedule Trigger node `

⚙️ Technical Details

Workflow Logic:

  1. Checks for new products/coupons via Magento API

  2. Verifies against MySQL database

  3. Only posts if record doesn't exist

  4. Updates database after successful post

Error Handling:

  • Automatic skip if product/coupon exists

  • Empty result handling

  • Connection timeout protection

🌟 Why This Template?

  • Complete Solution: Handles both products AND coupons

  • Battle-Tested: Prevents all duplicates reliably

  • Ready-to-Use: Just add your credentials

  • Fully Customizable: Easy to modify for different needs

Perfect for e-commerce stores using Magento 2 who want automated, duplicate-free social notifications!

n8n Workflow: Magento 2 Product & Coupon Alerts to Telegram and X (Twitter) with Duplicate Protection

This n8n workflow automates the process of fetching new products and coupons from a Magento 2 store, checking for duplicates, and then sending alerts to Telegram and X (formerly Twitter). It ensures that only truly new items are announced, preventing redundant notifications.

What it does

This workflow performs the following steps:

  1. Triggers on a schedule: The workflow runs at a predefined interval (e.g., every hour, daily) to check for updates.
  2. Fetches Magento 2 data: It makes an HTTP request to a Magento 2 API endpoint to retrieve a list of products or coupons.
  3. Processes data with custom code: A Code node processes the fetched data. This node is likely responsible for:
    • Extracting relevant information (e.g., product name, price, URL, coupon code, discount).
    • Generating a unique identifier for each item.
    • Comparing new items against previously processed items to identify duplicates.
    • Filtering out already announced items.
  4. Checks for new items: An If node evaluates the output from the Code node. It likely checks if there are any new items that haven't been alerted about before.
  5. Stores processed items (optional, but implied): While not explicitly shown with a MySQL node connected in the provided JSON, the presence of a MySQL node suggests it could be used to store a history of alerted items to facilitate the duplicate checking logic in the Code node.
  6. Sends Telegram alerts: If new items are found, a Telegram node sends a message to a specified Telegram chat or channel, announcing the new product or coupon.
  7. Posts to X (Twitter): Simultaneously, an X (Formerly Twitter) node posts a tweet about the new product or coupon.

Prerequisites/Requirements

To use this workflow, you will need:

  • n8n Instance: A running instance of n8n.
  • Magento 2 Store: Access to a Magento 2 store with API access enabled.
  • Magento 2 API Credentials: API keys or tokens to authenticate with your Magento 2 store.
  • Telegram Bot Token and Chat ID: A Telegram bot and the chat ID where you want to send alerts.
  • X (Twitter) Developer Account & Credentials: API keys and tokens for your X (Twitter) developer account to post tweets.
  • MySQL Database (Optional but Recommended): A MySQL database if you intend to store a history of processed items for robust duplicate protection beyond in-memory checks.

Setup/Usage

  1. Import the workflow: Download the JSON provided and import it into your n8n instance.
  2. Configure Credentials:
    • HTTP Request: Update the HTTP Request node with your Magento 2 API endpoint URL and authentication details (e.g., Bearer Token, Basic Auth).
    • Telegram: Configure the Telegram node with your Telegram Bot Token and the Chat ID.
    • X (Formerly Twitter): Configure the X (Formerly Twitter) node with your Twitter API credentials.
    • MySQL (if used): If you plan to use the MySQL node for persistent duplicate checking, configure it with your database connection details.
  3. Customize the Code node: The Code node is crucial for defining how products/coupons are identified and how duplicate checks are performed.
    • Data Extraction: Adjust the JavaScript code to correctly parse the response from your Magento 2 API and extract relevant product/coupon details.
    • Duplicate Logic: Implement your specific logic for identifying new items. This might involve comparing item IDs, timestamps, or a combination of attributes against a stored list (e.g., in a MySQL database or a persistent n8n variable).
  4. Configure the If node: Ensure the If node's conditions correctly evaluate whether there are new items to be alerted about, based on the output of the Code node.
  5. Customize Telegram and X messages: Modify the Telegram and X (Formerly Twitter) nodes to format the alert messages as desired, using expressions to dynamically insert product/coupon details.
  6. Activate the workflow: Once configured, activate the Schedule Trigger node to enable the workflow to run automatically. You can adjust the schedule frequency as needed.

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