Nano Banana Pro AI Product Advertisement Generator via Telegram

Who's It For

• E-commerce businesses needing quick product ads
• Social media marketers without design resources
• Small business owners creating promotional content
• Product photographers seeking automated enhancements

What It Does

Transforms basic product photos into professional advertisements using AI. Users send a product image with caption text via Telegram, and receive commercial-grade ads with studio lighting, premium backgrounds, and typography overlays.

How It Works

• User sends product photo with caption to Telegram bot
• Image converted to base64 for AI processing
• Google Gemini analyzes image and extracts marketing text from caption
• AI generates detailed design enhancement instructions (400+ words)
• Nano Banana Pro creates 1-2 professional advertisement versions
• Enhanced images automatically sent back to user

Requirements

• Telegram Bot API credentials (via BotFather)
• Google Gemini API key with nano-banana-pro-preview access
• n8n instance (self-hosted or cloud)

Setup Instructions

Create Telegram Bot

• Message BotFather on Telegram
• Send /newbot command and follow prompts
• Copy the API token

Configure n8n Credentials

• Add Telegram Bot API token
• Add Google Gemini API key
• Import workflow JSON
• Update credential references
• Activate workflow

Test the Workflow

Send image with caption format: "Product Name | Tagline | Call to Action"

Example: "Premium Sneakers | Mountain Edition | Shop Now"

Key Features

• Original product remains 100% unchanged
• Text extracted only from user's caption (no AI-generated taglines)
• Professional design enhancements applied
• Studio-quality lighting and color grading
• Luxury background selection based on product category
• Typography overlays using caption text
• 30-60 second processing time
• Returns 1-2 advertisement variants

Node Breakdown

Telegram Trigger - Listens for messages with images

Download Image File - Retrieves image from Telegram servers

Image to Base64 - Converts image for AI processing

AI Design Analysis - Gemini extracts caption text and generates design blueprint covering composition, lighting, backgrounds, color grading, effects, and typography

Combine Image & Analysis - Merges image data with design instructions

Prepare API Payload - Structures data for Nano Banana Pro API

Generate Enhanced Image - Creates professional ad using AI

Convert Base64 to Image - Converts first generated ad to file

Convert Base64 to Image1 - Converts second ad variant (if available)

Send Image - Returns enhanced ads to user via Telegram

Customization Options

Adjust Design Style

Modify AI Design Analysis prompt to change lighting intensity, background preferences, color grading, or typography styles

Change Caption Parsing

Update extraction rules for different text elements or multi-language support

Add Output Formats

Request different aspect ratios (16:9 social media, 4:5 Instagram, 9:16 Stories)

Error Handling

Add fallback nodes to handle image generation failures

Usage Analytics

Insert database node to track requests and caption data

Caption Examples

"NIKE AIR MAX | Run Beyond Limits | Shop Now"

"Himalayan Coffee Beans - Fresh from the Mountains - Order Today"

"Luxury Smartwatch | Track Your Success | Available Now"

Important Notes

• Product never altered, only enhanced visually
• Empty captions result in ads without text overlays
• Best with clear photos on simple backgrounds
• Monitor API quotas to avoid rate limits
• Processing time varies by API response speed