AI agent for Instagram DM/inbox. Manychat + Open AI integration

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Important notice

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

1. Workflow Overview

Automate Instagram DMs with OpenAI GPT and ManyChat How It Works: Once connected, GPT will automatically initiate conversations with messages from new recipients in Intagram. Who Is This For? This ...

Best for

Lead Nurturing automation workflows
AI Chatbot automation workflows
intermediate n8n builders looking for reusable templates

Tools used

n8n-nodes-base.set, @n8n/n8n-nodes-langchain.memorybufferwindow, @n8n/n8n-nodes-langchain.lmchatopenai, n8n-nodes-base.respondtowebhook, n8n-nodes-base.stickynote, n8n-nodes-base.webhook, @n8n/n8n-nodes-langchain.agent

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Alex Hi no code.

Original n8n.io source

1.1 Workflow description

Title: AI agent for Instagram DM/inbox. Manychat + Open AI integration
Workflow name: AI agent for Instagram DM/inbox. Manychat + Open AI integration

Automate Instagram DMs with OpenAI GPT and ManyChat

How It Works:

Once connected, GPT will automatically initiate conversations with messages from new recipients in Intagram.

Who Is This For?

This workflow is ideal for

marketers,
business owners
content creators

who want to automatically respond to Instagram direct messages using OpenAI GPT.

By integrating ManyChat, you can manage conversations, nurture leads, and provide instant replies at scale.

What This Workflow Does

Captures incoming Instagram DMs through ManyChat’s integration.
Processes messages with GPT to generate a relevant response.
Delivers instant replies back to Instagram users, creating efficient, AI-driven communication.

Setup

Import the Template: Copy the n8n workflow into your workspace.
OpenAI Credentials: Add your OpenAI API key in n8n so GPT can generate responses.
ManyChat Account: Create (or log in to) your ManyChat account.
Connect Instagram: Link your Instagram profile as a channel in ManyChat.
ManyChat Custom Field: Create a custom field for storing user input or conversation context.
Configure Default Reply: In ManyChat, set up the default Instagram reply flow to point to your n8n webhook.
Add External Request: Create an external request step in ManyChat to send messages to n8n.
Test the Flow: Send yourself a DM on Instagram to confirm the workflow triggers and GPT responds correctly.

Instructions and links:

Notion instruction

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 - Set your system promt for AI

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.3

Block 2 - Local n8n memory

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

Block 3 - ChatGPT model

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

Block 4 - Send respond

Type / Role: n8n-nodes-base.respondToWebhook - respondToWebhook
Config choices: Version 1.1

Block 5 - Sticky Note

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

Block 6 - Getting message from Instagram

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

Block 7 - Sticky Note1

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

Block 8 - AI Agent

Type / Role: @n8n/n8n-nodes-langchain.agent - agent
Config choices: Version 1.7

Block 9 - Sticky Note2

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

Block 10 - Sticky Note3

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

Block 11 - Sticky Note4

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

3. Summary Table

Workflow	AI agent for Instagram DM/inbox. Manychat + Open AI integration
Complexity	intermediate
Nodes	11
Categories	Lead Nurturing, AI Chatbot
Author	Alex Hi no code
Published	12 Jan 2025

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/2718/2718.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 Lead Nurturing workflows AI Chatbot workflows

Frequently asked questions

What does AI agent for Instagram DM/inbox. Manychat + Open AI integration 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 Lead Nurturing, AI Chatbot use case.

Alex Hi no code

1 workflow

Nodes

n8n-nodes-base.set @n8n/n8n-nodes-langchain.memorybufferwindow @n8n/n8n-nodes-langchain.lmchatopenai n8n-nodes-base.respondtowebhook n8n-nodes-base.stickynote n8n-nodes-base.webhook @n8n/n8n-nodes-langchain.agent

Complexity

intermediate

Published 12 Jan 2025

Likes 0

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Install path: /data/workflows/2718/2718.json

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AI agent for Instagram DM/inbox. Manychat + Open AI integration

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

Automate Instagram DMs with OpenAI GPT and ManyChat

How It Works:

Who Is This For?

What This Workflow Does

Setup

Instructions and links:

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Set your system promt for AI

Block 2 - Local n8n memory

Block 3 - ChatGPT model

Block 4 - Send respond

Block 5 - Sticky Note

Block 6 - Getting message from Instagram

Block 7 - Sticky Note1

Block 8 - AI Agent

Block 9 - Sticky Note2

Block 10 - Sticky Note3

Block 11 - Sticky Note4

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