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Automated FAQ generator from WhatsApp groups using GPT-4 and Google Docs

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Open on n8n.io

Important notice

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

1. Workflow Overview

What’s up guys, I’m Luís 🏻‍ ️ If you manage learning programs, communities, or customer groups on WhatsApp, this workflow will save your life. It’s your AI powered FAQ engine . This workflow cap...

Best for

  • Content Creation automation workflows
  • AI Summarization automation workflows
  • intermediate n8n builders looking for reusable templates

Tools used

n8n-nodes-base.googlesheets, n8n-nodes-base.code, @n8n/n8n-nodes-langchain.agent, @n8n/n8n-nodes-langchain.lmchatopenai, n8n-nodes-base.googledocs, n8n-nodes-base.scheduletrigger, n8n-nodes-base.googledrive, n8n-nodes-base.stickynote

Source and attribution

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

Original n8n.io source

1.1 Workflow description

Title
Automated FAQ generator from WhatsApp groups using GPT-4 and Google Docs
Workflow name
Automated FAQ generator from WhatsApp groups using GPT-4 and Google Docs

What’s up guys, I’m Luís 🙋🏻‍♂️

If you manage learning programs, communities, or customer groups on WhatsApp, this workflow will save your life. It’s your AI-powered FAQ engine.

This workflow captures group conversations (via Google Sheets), identifies the most common doubts and recurring questions, and automatically builds a structured FAQ document with suggested answers.

⚠️ Important note
To use this workflow, you must already have all WhatsApp conversations saved into a Google Sheet.
If you don’t have this yet, check out my other workflow that does exactly that: Workflow to Summary Group WhatsApp.

✅ What this workflow does

  • Runs weekly (every Monday 6am)
  • Pulls all conversations from your Google Sheet
  • Groups messages by week into structured blocks
  • Sends blocks to an AI Agent to detect FAQs
  • AI extracts recurring questions, explains context, and suggests answers
  • Creates a new FAQ document in Google Docs based on a template
  • Keeps everything organized and accessible for the team

🧩 Flow Structure

Part 1 – Data Capture & Weekly Blocks

  • Retrieves group messages from Google Sheets
  • Organizes them by ISO week number
  • Prepares clean message blocks for AI analysis

Part 2 – AI FAQ Builder

  • AI Agent analyzes the messages
  • Extracts FAQs with suggested responses
  • Generates a new Google Doc FAQ every week

🔧 Tools used

✅ Google Sheets (message log database)
✅ OpenAI (AI analysis & FAQ generation)
✅ Google Docs (automatic FAQ output)
✅ Schedule Trigger (weekly automation)

🌟 Why this workflow stands out

📊 Turns raw WhatsApp conversations into weekly FAQ reports
🤖 AI not only detects questions, but also suggests answers
🚀 Automated, scalable and perfect for communities and teams
📝 Delivers a ready-to-use FAQ doc every week

✅ Works on both n8n Cloud and Self-hosted
🔐 100% secure. No hacks. No shortcuts.


Want to adapt this flow for your business, education program, or internal team?

📩 Custom requests: WhatsApp me at +55 34 99256-9346


🇧🇷 Português (PT-BR)

Fala, galera! Eu sou o Luís 🙋🏻‍♂️

Se você gerencia cursos, comunidades ou grupos de clientes no WhatsApp, esse fluxo vai salvar sua vida. É o seu FAQ automático com IA.

Ele pega as conversas que já estão salvas em uma planilha do Google Sheets, identifica as dúvidas mais recorrentes e gera um documento organizado com respostas sugeridas.


⚠️ Atenção
Para usar esse fluxo, você precisa já ter todas as conversas do WhatsApp salvas em uma planilha no Google Sheets.
Se você ainda não tem isso configurado, utilize meu outro workflow que faz exatamente esse processo: Workflow to Summary Group WhatsApp.


✅ O que esse fluxo faz

  • Roda toda segunda-feira às 6h
  • Busca as mensagens salvas em sua planilha no Google Sheets
  • Agrupa por semana em blocos organizados
  • Envia para um Agente de IA que identifica dúvidas recorrentes
  • Gera explicações e respostas sugeridas
  • Cria automaticamente um novo documento FAQ no Google Docs
  • Mantém um histórico semanal claro e acessível

🧩 Como o fluxo está estruturado

Parte 1 – Captura & Blocos Semanais

  • Puxa mensagens da planilha
  • Organiza por semana ISO
  • Prepara blocos para análise pela IA

Parte 2 – FAQ Builder com IA

  • Agente de IA analisa blocos
  • Extrai dúvidas recorrentes e sugere respostas
  • Cria um documento FAQ atualizado no Google Docs

🔧 Ferramentas utilizadas

✅ Google Sheets (base de mensagens)
✅ OpenAI (análise & geração de FAQ)
✅ Google Docs (documento automático)
✅ Agendamento semanal (gatilho)


🌟 Por que esse fluxo se destaca

📊 Transforma mensagens de grupo em relatórios semanais de FAQ
🤖 IA identifica dúvidas e já entrega respostas prontas
🚀 Escalável para qualquer comunidade ou programa educacional
📝 Documento novo toda semana, sem esforço manual

✅ Compatível com n8n Cloud e Self-hosted
🔐 100% seguro. Sem gambiarras.


Quer adaptar esse fluxo pro seu negócio, curso ou comunidade?

📩 Solicitação personalizada: me chama no WhatsApp +55 34 99256-9346

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 - Get row(s) in sheet

Type / Role
n8n-nodes-base.googleSheets - googleSheets
Config choices
Version 4.7

Block 2 - Code

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

Block 3 - AI Agent

Type / Role
@n8n/n8n-nodes-langchain.agent - agent
Config choices
Version 2.2

Block 4 - OpenAI Chat Model

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

Block 5 - Update a document

Type / Role
n8n-nodes-base.googleDocs - googleDocs
Config choices
Version 2

Block 6 - Schedule Trigger

Type / Role
n8n-nodes-base.scheduleTrigger - scheduleTrigger
Config choices
Version 1.2

Block 7 - Copy file

Type / Role
n8n-nodes-base.googleDrive - googleDrive
Config choices
Version 3

Block 8 - Sticky Note

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

Block 9 - Sticky Note1

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

Block 10 - Sticky Note2

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

Block 11 - Sticky Note3

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

Block 12 - Sticky Note4

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

3. Summary Table

Workflow Automated FAQ generator from WhatsApp groups using GPT-4 and Google Docs
Complexity intermediate
Nodes 12
Categories Content Creation, AI Summarization
Author Luís Philipe Trindade
Published 31 Aug 2025

4. Reproducing the Workflow from Scratch

  1. 1. Download the workflow JSON

    Use the JSON export at /data/workflows/8096/8096.json as the source template for this automation.

  2. 2. Import the template into n8n

    Open n8n, import the downloaded JSON, and review each node before activating the workflow.

  3. 3. Configure credentials and variables

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

  4. 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. 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.

Frequently asked questions

What does Automated FAQ generator from WhatsApp groups using GPT-4 and Google Docs do?

What’s up guys, I’m Luís 🏻‍ ️ If you manage learning programs, communities, or customer groups on WhatsApp, this workflow will save your life. It’s your AI powered FAQ engine . This workflow cap...

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 Content Creation, AI Summarization use case.