Automated replies to email inquiries with AI agent and…

This automation workflow enables scalable and uninterrupted customer support via email. It monitors incoming Gmail messages, processes them using a LangChain-based AI agent with dual LLM support, generates context-aware responses, and logs every interaction in Google Sheets. The fallback mechanism ensures reliability even if the primary AI model fails.

## Who it´s for
- Customer support teams aiming to automate routine email inquiries.
- SaaS companies needing scalable support without hiring more staff.
- Business owners looking to reduce agent workload and improve response speed.
- Developers and technical specialists exploring AI agent orchestration with fallback logic.

## What the automation does
- Monitors Gmail for new messages via polling trigger.
- Processes email content using a LangChain AI agent.
- Uses Google Gemini as primary LLM and falls back to OpenAI GPT on failure.
- Maintains conversation context using Simple Memory for continuity.
- Sends generated replies directly within the same email thread.
- Logs request type, priority, status, and metadata into Google Sheets.
- Flags complex or emotionally charged emails as "Escalated" and can notify team members.

## What´s included
- Ready-to-use n8n workflow.
- Trigger and handler logic for email processing.
- Integrations with Gmail, Google Sheets, Google Gemini API, and OpenAI API.
- Fallback mechanism between AI models.
- Basic text guide for setup and adaptation.

## Requirements for setup
- n8n instance (cloud or self-hosted).
- Gmail account with IMAP/SMTP and API access enabled.
- Google Cloud project with Gemini API activated.
- OpenAI account with active GPT API access.
- Google Sheet configured for logging interactions.

## Benefits and outcomes
- Reduces support load by up to 60% through automation of common queries.
- Ensures continuous operation even during primary AI provider outages.
- Cuts response time to minutes after message receipt.
- Full transparency via structured logging in Google Sheets.
- Enables analysis of inquiry patterns and categories.
- Maintains high-quality communication with contextual AI-generated replies.

## 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.