AI-powered Amazon product recommendations via Decodo, Telegram and Gemini 2.5

Description

Amazon research on autopilot through Telegram. Name any product and this Decodo-powered recommender returns AI-ranked Amazon picks with prices, ratings, sales data, and budget/premium/best-value categories in under 40 seconds. The shortcut past hours of manual comparison shopping.

Last updated: September 2026.

Why Use This Workflow?

Time Savings: Product research drops from 45+ minutes to under 30 seconds.

Decision Quality: 20+ products compared automatically with AI-curated recommendations.

Zero Manual Work: Full automation from message input to formatted recommendations.

Ideal For

E-commerce Entrepreneurs:** Research competitor products, pricing, and market trends for inventory decisions.
Smart Shoppers & Deal Hunters:** Instant comparisons with sales volume data and discount tracking before buying.
Product Managers & Researchers:** Amazon marketplace positioning, customer sentiment, and pricing ranges for competitive intelligence.

How It Works

Trigger: User sends product name via Telegram (e.g., "iPhone 15 Pro Max case")
AI Validation: Gemini 2.5 Flash extracts core product keywords and validates input authenticity
Data Collection: Decodo API scrapes Amazon search results, extracting prices, ratings, reviews, sales volume, and product URLs
Processing: JavaScript node cleans data, removes duplicates, calculates value scores, and categorizes products (top picks, budget, premium, best value, most popular)
Intelligence Layer: AI generates personalized recommendations with Telegram-optimized markdown formatting, shortened product names, and clean Amazon URLs
Output & Delivery: Formatted recommendations sent to user with categorized options and direct purchase links
Error Handling: Admin notifications via separate Telegram channel for workflow monitoring

Setup Guide

Prerequisites

| Requirement | Type | Purpose |
|-------------|------|---------|
| n8n instance | Essential | Workflow execution platform |
| Decodo Account | Essential | Amazon product data scraping |
| Telegram Bot Token | Essential | Chat interface for user interactions |
| Google Gemini API | Essential | AI-powered product validation and recommendations (get a key) |
| Telegram Account | Optional | Admin error notifications |

Installation Steps

Import the JSON file to your n8n instance
Configure credentials:
Decodo API: Sign up at decodo.com → Dashboard → Scraping APIs → Web Advanced → Copy BASIC AUTH TOKEN
Telegram Bot: Message @BotFather on Telegram → /newbot → Copy HTTP API token (format: 123456789:ABCdefGHI...)
Google Gemini: Obtain API key from Google AI Studio for Gemini 2.5 Flash model
Update environment-specific values:
Replace YOUR-CHAT-ID in "Notify Admin" node with your Telegram chat ID for error notifications
Verify Telegram webhook IDs are properly configured
Customize settings:
Adjust AI prompt in "Generate Recommendations" node for different output formats
Set character limits (default: 2500) for Telegram message length
Test execution:
Send test message to your Telegram bot: "iPhone 15 Pro"
Verify processing status messages appear
Confirm recommendations arrive with properly formatted links

Customization Options

Basic Adjustments:
Character Limit**: Modify 2500 in AI prompt to adjust response length (Telegram max: 4096)

Advanced Enhancements:
Multi-language Support**: Add language detection and translation nodes for international users
Price Tracking**: Integrate Google Sheets to log historical prices and trigger alerts on drops
Image Support**: Enable Telegram photo messages with product images from scraping results

Troubleshooting

Common Issues:

| Problem | Cause | Solution |
|---------|-------|----------|
| "No product detected" for valid inputs | AI validation too strict or ambiguous query | Add specific product details (model number, brand) in user input |
| Empty recommendations returned | Decodo API rate limit or Amazon blocking | Wait 60 seconds between requests; verify Decodo account status |
| Telegram message formatting broken | Special characters in product names | Ensure Telegram markdown mode is set to "Markdown" (legacy) not "MarkdownV2" |

Use Case Examples

Scenario 1: E-commerce Store Owner
Challenge: Needs to quickly assess competitor pricing and product positioning for new inventory decisions without spending hours browsing Amazon
Solution: Sends "wireless earbuds" to bot, receives categorized analysis of 20+ products with price ranges ($15-$250), top sellers, and discount opportunities
Result: Identifies $35-$50 price gap in market, sources comparable product, achieves 40% profit margin

Scenario 2: Smart Shopping Enthusiast
Challenge: Wants to buy a laptop backpack but overwhelmed by 200+ Amazon options with varying prices and unclear value propositions
Solution: Messages "laptop backpack" to bot, gets AI recommendations sorted by budget ($30), premium ($50+), best value (highest discount + good ratings), and most popular (by sales volume)
Result: Purchases "Best Value" recommendation with 35% discount, saves $18 and 45 minutes of research time

Quick Answers
What do the categories mean?
Top picks, budget, premium, best value, and most popular, each with direct Amazon links.
What if a lookup fails?
The admin Telegram channel gets a notification so nothing fails silently.
Can I change reply length?
Yes. Edit the 2500 character default in the AI prompt (Telegram allows up to 4096).

Made by: khmuhtadin
Category: AI | Productivity | E-commerce | Tags: amazon, telegram, ai, product-research, shopping, automation, gemini

Need custom workflows? Contact me

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Additional info
Built with n8n. Need an assessment on your business? Feel free to reach out at https://khmuhtadin.com/consultation/