Extract marketing insights from Google Reviews using Dumpling AI + GPT-4

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Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

What this workflow does This workflow helps you analyze Google reviews of any business to generate powerful marketing insights. By simply submitting a business name and its Google Place ID, it f...

Best for

Market Research automation workflows
AI Summarization automation workflows
intermediate n8n builders looking for reusable templates

Tools used

@n8n/n8n-nodes-langchain.toolthink, n8n-nodes-base.formtrigger, n8n-nodes-base.httprequest, n8n-nodes-base.splitout, n8n-nodes-base.aggregate, @n8n/n8n-nodes-langchain.agent, @n8n/n8n-nodes-langchain.lmchatopenai, @n8n/n8n-nodes-langchain.outputparserstructured

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Yang.

Original n8n.io source

1.1 Workflow description

Title: Extract marketing insights from Google Reviews using Dumpling AI + GPT-4
Workflow name: Extract marketing insights from Google Reviews using Dumpling AI + GPT-4

📄 What this workflow does

This workflow helps you analyze Google reviews of any business to generate powerful marketing insights. By simply submitting a business name and its Google Place ID, it fetches the top 30 reviews and uses GPT-4 (via LangChain Agent) to extract valuable customer insights such as marketing angles, customer motivations, product pain points, and voice of customer (VOC) quotes. The output is stored automatically in a connected Google Sheet.

👤 Who is this for

Marketing teams looking for messaging inspiration
Founders or product managers exploring customer feedback
Brand strategists gathering real-world insights
Agencies running VOC or sentiment analysis

🛠️ Requirements

Dumpling AI API key
OpenAI GPT-4 or GPT-4o access
Google Sheets connection
A form or manual input with:
- Business Name
- Google Place ID

⚙️ How to set up

Connect Credentials
- Dumpling AI (via HTTP Header Auth)
- OpenAI (GPT-4)
- Google Sheets (OAuth2)
Prepare your Google Sheet
- Create columns:
  Business Name, Place ID, Marketing Angles, Customer Motivations,
  Frictions and Barriers, Product Opportunities, VOC Snippets
Update Nodes
- Replace the Google Sheets Document ID and Tab Name with yours
- Check that the Dumpling API node is linked to your credential
- Optional: tweak the prompt in the LangChain Agent node to fit your tone or goals

🤖 How it works (Workflow Steps)

User submits business name + Google Place ID
Dumpling AI fetches top 30 reviews
Workflow aggregates review text
GPT-4 via LangChain analyzes the reviews
Insights are parsed and logged to Google Sheets

💡 Customization Ideas

Push output to Notion, Airtable, or Slack
Add sentiment scoring to prioritize themes
Create summaries for each insight category
Schedule insights to be emailed weekly

This is a plug-and-play VOC research workflow — great for founders, marketers, and product teams who want actionable data from real customers without doing manual review scraping or summarizing.

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - 🧠 LangChain Tools (for Agents)

Type / Role: @n8n/n8n-nodes-langchain.toolThink - toolThink
Config choices: Version 1

Block 2 - Submit Business Name + Place ID

Type / Role: n8n-nodes-base.formTrigger - formTrigger
Config choices: Version 2.2

Block 3 - 🔎 Dumpling AI: Fetch Google Reviews

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.2

Block 4 - 🧮 Split: Each Review

Type / Role: n8n-nodes-base.splitOut - splitOut
Config choices: Version 1

Block 5 - 📦 Aggregate: Merge All Review Texts

Type / Role: n8n-nodes-base.aggregate - aggregate
Config choices: Version 1

Block 6 - 🤖 GPT-4: Extract Marketing Insights

Type / Role: @n8n/n8n-nodes-langchain.agent - agent
Config choices: Version 1.9

Block 7 - 🔌 GPT-4 Model (used in Agent)

Type / Role: @n8n/n8n-nodes-langchain.lmChatOpenAi - lmChatOpenAi
Config choices: Version 1.2

Block 8 - 📊 Parse: Format Insights for Output

Type / Role: @n8n/n8n-nodes-langchain.outputParserStructured - outputParserStructured
Config choices: Version 1.2

Block 9 - 📄 Google Sheets: Save Insights

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.6

Block 10 - Sticky Note

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

3. Summary Table

Workflow	Extract marketing insights from Google Reviews using Dumpling AI + GPT-4
Complexity	intermediate
Nodes	10
Categories	Market Research, AI Summarization
Author	Yang
Published	18 Jul 2025

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/6155/6155.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source Market Research workflows AI Summarization workflows

Frequently asked questions

What does Extract marketing insights from Google Reviews using Dumpling AI + GPT-4 do?

What this workflow does This workflow helps you analyze Google reviews of any business to generate powerful marketing insights. By simply submitting a business name and its Google Place ID, it f...

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Market Research, AI Summarization use case.

Yang

47 workflows

Nodes

@n8n/n8n-nodes-langchain.toolthink n8n-nodes-base.formtrigger n8n-nodes-base.httprequest n8n-nodes-base.splitout n8n-nodes-base.aggregate @n8n/n8n-nodes-langchain.agent @n8n/n8n-nodes-langchain.lmchatopenai @n8n/n8n-nodes-langchain.outputparserstructured

Complexity

intermediate

Published 18 Jul 2025

Likes 0

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Install path: /data/workflows/6155/6155.json

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Extract marketing insights from Google Reviews using Dumpling AI + GPT-4

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

📄 What this workflow does

👤 Who is this for

🛠️ Requirements

⚙️ How to set up

🤖 How it works (Workflow Steps)

💡 Customization Ideas

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - 🧠 LangChain Tools (for Agents)

Block 2 - Submit Business Name + Place ID

Block 3 - 🔎 Dumpling AI: Fetch Google Reviews

Block 4 - 🧮 Split: Each Review

Block 5 - 📦 Aggregate: Merge All Review Texts

Block 6 - 🤖 GPT-4: Extract Marketing Insights

Block 7 - 🔌 GPT-4 Model (used in Agent)

Block 8 - 📊 Parse: Format Insights for Output

Block 9 - 📄 Google Sheets: Save Insights

Block 10 - Sticky Note

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions