Analyze Customer Reviews from 5 Platforms with Thordata Scraping & GPT-4.1 Reports

by Naveen Choudhary ✓ · 504 views · created 2025-11-21 · Market Research, AI Summarization

What this workflow does

This AI workflow has 18 nodes and runs when someone submits an n8n form (“Submit Product Review Sources”) (plus 2 other triggers). Along the way it connects OpenAI and Gmail. It also calls universalapi.thordata.com over HTTP.

How it runs

Trigger: When someone submits an n8n form (“Submit Product Review Sources”) (plus 2 other triggers).

1. Prepare Review Sources (Code): runs custom JavaScript code
2. Loop Through Sources (Rate Limit Safe) (Loop Over Items (Split in Batches)): loops over the items in batches
3. Deduplicate & Summarize All Reviews (Code): runs custom JavaScript code
4. Initialize Pagination (Edit Fields (Set)): sets 1 field: page_number
5. Prepare Data for AI Analysis (Code): runs custom JavaScript code
6. URL Builder (Code): runs custom JavaScript code
7. Return Final Results (Respond to Webhook): sends the response back to the webhook caller
8. AI Review Sentiment Analysis (OpenAI): uses OpenAI
9. Scrape Page (Robust) via Thordata API (HTTP Request): calls universalapi.thordata.com (POST)
10. Render Elegant Email Template (Code): runs custom JavaScript code

…plus 5 more steps. See the full node list below.

Services it uses

OpenAIGmail

HTTP calls to: universalapi.thordata.com

Before you upgrade to n8n 3.0

Nodes used (12)

• Coden8n-nodes-base.code
• Manual Triggern8n-nodes-base.manualTrigger
• Edit Fields (Set)n8n-nodes-base.set
• Loop Over Items (Split in Batches)n8n-nodes-base.splitInBatches
• HTTP Requestn8n-nodes-base.httpRequest
• Ifn8n-nodes-base.if
• Waitn8n-nodes-base.wait
• OpenAI@n8n/n8n-nodes-langchain.openAi
• Respond to Webhookn8n-nodes-base.respondToWebhook
• Webhookn8n-nodes-base.webhook
• n8n Form Triggern8n-nodes-base.formTrigger
• Gmailn8n-nodes-base.gmail

From the author

Automatically gather hundreds of real customer reviews from five major platforms in one run using Thordata API and Proxy — Trustpilot, Capterra, Chrome Web Store, TrustRadius, and Product Hunt — then let GPT-4.1 perform deep collective sentiment analysis,…

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