Sentiment analysis of Google Sheets reviews with report

This workflow automates the sentiment analysis of customer reviews stored in Google Sheets. Using AI (OpenAI via LangChain), it classifies each review as Positive, Neutral, or Negative, writes results back to the sheet, generates a summary chart, and sends it via Gmail. Triggered manually in n8n.

## Who it´s for
- Marketers analyzing customer feedback
- Product managers tracking user sentiment
- Business owners seeking automated insight collection
- Support teams monitoring customer satisfaction

## What the automation does
- Reads customer reviews from a designated Google Sheet
- Analyzes emotional tone using OpenAI through LangChain
- Writes sentiment result (Positive/Neutral/Negative) back into the spreadsheet
- Aggregates results and generates a visual distribution chart
- Sends the chart as an attachment or inline image via Gmail to specified recipients
- Triggered manually via n8n interface when needed

## What´s included
- Ready-to-use n8n workflow
- Manual trigger logic and row-by-row processing sequence
- Integrations with Google Sheets API, OpenAI, and Gmail API via LangChain
- Basic text guide for launch and adaptation

## Requirements for setup
- n8n instance with workflow editing access
- Google Sheet containing customer reviews in a dedicated column
- Active OpenAI account with valid API key
- Configured Gmail account for report delivery
- Properly set credentials for all services within n8n

## Benefits and outcomes
- Saves hours on manual review analysis
- Enables rapid assessment after product launches or campaigns
- Objective classification without human bias
- Automatic data update and trend visualization
- Team transparency via scheduled or on-demand email reports
- Flexible execution: run whenever new feedback accumulates

## Important: template only
Important: you are purchasing a ready-made automation workflow template only. Rollout into your infrastructure, connecting specific accounts and services, 1:1 setup help, custom adjustments for non-standard stacks and any consulting support are provided as a separate paid service at an individual rate. To discuss custom work or 1:1 help, contact via Telegram: @gleb923.