Extract Product Info from Website Screenshots with Dumpling AI + Sheets

What this workflow does This workflow extracts product details—like name, price, discount, and rating— from website screenshots using Dumpling AI. It starts when a new product page URL is added to a Google Sheet, captures a screenshot of that page, extracts visible product info from the image, and writes the results back into the sheet. What problem is this workflow solving? Many product pages block traditional scraping tools or use unstructured layouts. This workflow bypasses HTML limitations by using visual AI extraction, making it reliable even when content is embedded in images or hard to parse with code. Who is this for? This is ideal for eCommerce researchers, pricing analysts, markete

Help me set up the n8n workflow "Extract Product Info from Website Screenshots with Dumpling AI + Sheets" (https://n8n.io/workflows/5169). It uses: Google Sheets, HTTP Request. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.