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TRANSITION.md

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Transition to n8n

Why We Moved from Custom API to n8n

Our task automation project originally used a FastAPI backend to handle email processing, meeting scheduling, and task management. While this approach worked, it had several limitations:

  1. Complex Error Handling: Robust error handling in API code requires significant effort
  2. Integration Challenges: Each integration (Gmail, Calendar, Trello) needed custom code
  3. Code Maintenance: Large codebase with many potential points of failure
  4. Deployment Complexity: API deployment with authentication and security concerns

Benefits of the n8n Approach

  1. Visual Workflow Building: No-code/low-code approach makes logic clear and maintainable
  2. Built-in Integrations: Native connections to Gmail, Calendar, Trello, and more
  3. Error Handling: Built-in retry mechanisms and error notifications
  4. Extensibility: Easy to add new services or modify workflows
  5. Community Support: Large community of users sharing workflows and solutions

Architecture Comparison

Previous Architecture:

Client → FastAPI Backend → AI Analysis → External Services (Gmail, Calendar, Trello)

Current Architecture:

Gmail Trigger → n8n Workflow → AI Analysis API → External Services (Calendar, Trello)

Future Improvements

With n8n in place, we plan to:

  1. Add more sophisticated email processing rules
  2. Implement multi-channel support (Slack, MS Teams)
  3. Add dashboard for workflow monitoring