Summarize and answer Re:amaze support emails with Gemini and SOP knowledge base

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1. Workflow Overview

This template demonstrates an AI powered email automation system for Re:amaze, summarizing and responding to customer inquiries using a structured knowledge base to ensure accurate and consistent r...

Best for

Ticket Management automation workflows
AI RAG automation workflows
advanced n8n builders looking for reusable templates

Tools used

@n8n/n8n-nodes-langchain.googlegemini, @n8n/n8n-nodes-langchain.lmchatgooglegemini, @n8n/n8n-nodes-langchain.outputparserstructured, n8n-nodes-base.stickynote, @n8n/n8n-nodes-langchain.agent, n8n-nodes-base.manualtrigger, n8n-nodes-base.httprequest, n8n-nodes-base.splitout

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Divyanshu Gupta.

Original n8n.io source

1.1 Workflow description

Title: Summarize and answer Re:amaze support emails with Gemini and SOP knowledge base
Workflow name: Summarize and answer Re:amaze support emails with Gemini and SOP knowledge base

This template demonstrates an AI-powered email automation system for Re:amaze, summarizing and responding to customer inquiries using a structured knowledge base to ensure accurate and consistent replies.

🔹 Ideal for:

Customer support teams handling high volumes of email queries (e.g., e-commerce, SaaS)
Businesses looking to automate SOP-based responses with AI while integrating actions like order lookup or issue logging

What this workflow does

Fetches incoming customer emails from Re:amaze
Filters only customer messages (ignores agent replies)
Classifies email intent (e.g. security, pricing, setup etc.)
Matches the request against a structured SOP knowledge base
Generates a response using AI based strictly on SOP
Sends reply back to the customer automatically

Key Features:

Prevents duplicate replies using deduplication logic
Ensures responses follow SOP (reduces hallucination)
Scalable for high-volume email handling

Requirements

Re:amaze API access (for fetching & replying to conversations)
AI model (e.g., OpenAI / Gemini configured in n8n)
SOP knowledge base (Google Sheets or Code tool)

How to set up

Add your Re:amaze API credentials in HTTP nodes

To get the API Key, you have to login to the Re:amaze plateform(https://www.reamaze.com/)

Here is the API documentation -https://www.reamaze.com/api/get_messages

Configure your AI model credentials
Connect your SOP knowledge base (Google Sheets or internal tool)
Test the workflow using sample customer emails

🚀 This template can be extended to support multi-channel support (chat, tickets, etc.)

Need Help?

ask in the Forum!

Happy Hacking!

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 - Email Category Classifier

Type / Role: @n8n/n8n-nodes-langchain.googleGemini - googleGemini
Config choices: Version 1.1

Block 2 - LLM Response Generator

Type / Role: @n8n/n8n-nodes-langchain.lmChatGoogleGemini - lmChatGoogleGemini
Config choices: Version 1

Block 3 - Structured Response

Type / Role: @n8n/n8n-nodes-langchain.outputParserStructured - outputParserStructured
Config choices: Version 1.3

Block 4 - Sticky Note7

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

Block 5 - Sticky Note6

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

Block 6 - AI Support Agent

Type / Role: @n8n/n8n-nodes-langchain.agent - agent
Config choices: Version 3.1

Block 7 - Manual Trigger (Test Workflow)

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

Block 8 - Fetch Conversations from Re:amaze API

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.4

Block 9 - Split Conversations into Individual Messages

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

Block 10 - Sort Messages by Latest First

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

Block 11 - Remove Duplicate Conversations (Prevent Double Reply)

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

Block 12 - Filter Only Customer Emails

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2.3

Block 13 - 📚 Knowledge Base

Type / Role: @n8n/n8n-nodes-langchain.toolCode - toolCode
Config choices: Version 1.3

Block 14 - Prepare Final Response

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 15 - Send Reply to Customer (Re:amaze API)

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.4

Block 16 - Sticky Note

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

Block 17 - Sticky Note2

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

Block 18 - Sticky Note1

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

3. Summary Table

Workflow	Summarize and answer Re:amaze support emails with Gemini and SOP knowledge base
Complexity	advanced
Nodes	18
Categories	Ticket Management, AI RAG
Author	Divyanshu Gupta
Published	18 Mar 2026

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/14168/14168.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

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

Download workflow JSON Original n8n.io source Ticket Management workflows AI RAG workflows

Frequently asked questions

What does Summarize and answer Re:amaze support emails with Gemini and SOP knowledge base do?

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 Ticket Management, AI RAG use case.

Divyanshu Gupta

10 workflows

Nodes

@n8n/n8n-nodes-langchain.googlegemini @n8n/n8n-nodes-langchain.lmchatgooglegemini @n8n/n8n-nodes-langchain.outputparserstructured n8n-nodes-base.stickynote @n8n/n8n-nodes-langchain.agent n8n-nodes-base.manualtrigger n8n-nodes-base.httprequest n8n-nodes-base.splitout

Complexity

advanced

Published 18 Mar 2026

Likes 0

View on n8n.io Download Workflow

Install path: /data/workflows/14168/14168.json

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Summarize and answer Re:amaze support emails with Gemini and SOP knowledge base

Workflow preview

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

What this workflow does

Key Features:

Requirements

How to set up

Need Help?

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Email Category Classifier

Block 2 - LLM Response Generator

Block 3 - Structured Response

Block 4 - Sticky Note7

Block 5 - Sticky Note6

Block 6 - AI Support Agent

Block 7 - Manual Trigger (Test Workflow)

Block 8 - Fetch Conversations from Re:amaze API

Block 9 - Split Conversations into Individual Messages

Block 10 - Sort Messages by Latest First

Block 11 - Remove Duplicate Conversations (Prevent Double Reply)

Block 12 - Filter Only Customer Emails

Block 13 - 📚 Knowledge Base

Block 14 - Prepare Final Response

Block 15 - Send Reply to Customer (Re:amaze API)

Block 16 - Sticky Note

Block 17 - Sticky Note2

Block 18 - Sticky Note1

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions