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Auto-Generate Virtual AI Try-On Images for WooCommerce with Fal.ai Nano Banana

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Created by: Davide || n3witalia

Davide

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Last update 5 hours ago

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This workflow automates the creation of AI-generated virtual try-on images for fashion eCommerce stores. Instead of relying on expensive and time-consuming photoshoots, the system uses AI to generate realistic images of models wearing selected clothing items.

This n8n workflow automates the process of generating AI-powered virtual try-on images for a WooCommerce store. It fetches product data from a Google Sheet, uses the Fal.ai Nano Banana model to create an image of a model wearing the clothing item, and then updates both the Google Sheet and the WooCommerce product with the final generated image.

Advantages

  • ✅ Cost Reduction: Eliminates the need for professional photo shoots, saving on models, photographers, and studio expenses.
  • ✅ Time Efficiency: Automates the entire workflow—from data input to product update—minimizing manual work.
  • ✅ Scalability: Works seamlessly across large product catalogs, making it easy to update hundreds of products quickly.
  • ✅ Enhanced eCommerce Experience: Provides shoppers with realistic previews of clothing on models, boosting trust and conversion rates.
  • ✅ Marketing Flexibility: The generated images can also be repurposed for ads, social media, and promotional campaigns.
  • ✅ Centralized Management: Google Sheets acts as the control center, making it easy to manage inputs and track results.

How It Works

The workflow operates in a sequential, loop-based manner to process multiple products from a spreadsheet. Here is the logical flow:

  1. Manual Trigger & Data Fetch: The workflow starts manually (e.g., by clicking "Test workflow"). It first reads data from a specified Google Sheet, looking for rows where the "IMAGE RESULT" column is empty.

  2. Loop Processing: It loops over each row of data fetched from the sheet. Each row should contain URLs for a model image and a product image, along with a WooCommerce product ID.

  3. API Request to Generate Image: For each item in the loop, the workflow sends a POST request to the Fal.ai Nano Banana API. The request includes the two image URLs and a prompt instructing the AI to create a photo of the model wearing the submitted clothing item.

  4. Polling for Completion: The AI processing is asynchronous. The workflow enters a polling loop: it waits for 60 seconds and then checks the status of the processing request. If the status is not COMPLETED, it waits and checks again. This loop continues until the image is ready.

  5. Fetching and Storing the Result: Once the status is COMPLETED, the workflow retrieves the URL of the generated image, downloads the image file, and uploads it to a designated folder in Google Drive.

  6. Updating Systems: The workflow then performs two crucial update steps:

    • It updates the original Google Sheet row, writing the URL of the final generated image into the "IMAGE RESULT" column.
    • It updates the corresponding product in WooCommerce, adding the generated image to the product's gallery.

  7. Loop Continuation: After processing one item, the workflow loops back to process the next row in the Google Sheet until all items are complete.

** Set Up Steps**

To make this workflow functional, you need to configure three main connections:

Step 1: Prepare the Google Sheet

  • Create a Google Sheet with the following columns: IMAGE MODEL, IMAGE PRODUCT, PRODUCT ID, and IMAGE RESULT.
  • Populate the first three columns for each product. The IMAGE RESULT column must be left blank; the workflow will fill it automatically.
  • In the n8n workflow, configure the "Google Sheets" node to point to your specific Google Sheet and worksheet.

Step 2: Configure the Fal.ai API Key

  • Create an account at fal.ai and obtain your API key.
  • In the n8n workflow, locate the three "HTTP Request" nodes named "Get Url image", "Get status", and "Create Image".
  • Edit the credentials for these nodes (named "Fal.run API") and update the Value field in the Header Auth to be Key YOURAPIKEY (replacing YOURAPIKEY with your actual key).

Step 3: Set Up WooCommerce API

  • Ensure you have the API keys (Consumer Key and Consumer Secret) for your WooCommerce store's REST API.
  • In the n8n workflow, locate the "WooCommerce" node.
  • Edit its credentials and provide the required information: your store's URL and the API keys. This allows the workflow to authenticate and update your products.

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