Automate FAQ Generation from Stack Overflow to Notion using GPT-4o-mini with Slack Alerts

📊 Description

This workflow automatically classifies new Stack Overflow questions by topic, generates structured FAQ content using GPT-4o-mini, logs each entry in Google Sheets, saves formatted FAQs in Notion, and notifies your team on Slack — ensuring your product and support teams stay aligned with real-world developer discussions. 🤖💬📚

⚙️ What This Template Does

• Step 1: Monitors Stack Overflow RSS feeds for new questions related to your selected tags. ⏱️
• Step 2: Filters out irrelevant or incomplete questions before processing. 🧹
• Step 3: Uses OpenAI GPT-4o-mini to classify each question into a topic category (Frontend, Backend, DevOps, etc.). 🧠
• Step 4: Generates structured FAQ content including summaries, technical insights, and internal guidance. 📄
• Step 5: Saves formatted entries into your Notion knowledge-base database. 📚
• Step 6: Logs all FAQ data into a connected Google Sheet for analytics and tracking. 📊
• Step 7: Sends real-time Slack notifications with quick links to the new FAQ and the original Stack Overflow post. 🔔
• Step 8: Provides automatic error detection — any failed AI or Notion step triggers an instant Slack alert. 🚨

💡 Key Benefits

✅ Builds a continuously updated, AI-driven knowledge base
✅ Reduces repetitive support and documentation work
✅ Keeps product and dev teams aware of trending community issues
✅ Enhances internal docs with verified Stack Overflow insights
✅ Maintains an audit trail via Google Sheets
✅ Alerts your team instantly on errors or new FAQs

🧩 Features

• Automatic Stack Overflow RSS monitoring
• Dual-layer OpenAI integration (Topic Classification + FAQ Generation)
• Structured Notion database integration
• Google Sheets logging for analytics
• Slack notifications for new FAQs and error alerts
• Custom tag-based question filtering
• Near real-time updates (every minute)
• Built-in error handling for reliability

🔐 Requirements

• OpenAI API Key (GPT-4o-mini access)
• Notion API credentials with database access
• Google Sheets OAuth2 credentials
• Slack bot token with chat:write permissions
• Stack Overflow RSS feed URL for your preferred tags

👥 Target Audience

• SaaS or product teams building internal FAQ and knowledge systems
• Developer relations and documentation teams
• Customer-support teams automating knowledge reuse
• Technical communities curating content from Stack Overflow

🧭 Setup Instructions

• Add your OpenAI API credentials in n8n.
• Connect your Notion database and update the page or database ID.
• Connect Google Sheets credentials and select your tracking sheet.
• Connect your Slack account and specify your notification channel.
• Update the RSS Feed URL with your chosen Stack Overflow tags.
• Run the workflow manually once to test connectivity, then enable automation.