Latenode
Instagram for Business
OpenAI GPT Assistants

Automate Instagram comment replies with AI-generated responses

This automation solution helps Instagram account managers monitor new comments, process them using a natural language AI agent to generate contextually relevant replies, and automatically post those replies back to the original comment threads.

It listens for new comments via a webhook, filters out self-comments, retrieves the relevant post data from the Instagram Graph API, and uses a custom AI system prompt to craft personalized, on-brand responses that are then posted directly to the original comment. This streamlines community engagement, ensures no valid comment goes unanswered, and saves time by automating the entire comment reply workflow.

Updated Apr 2, 2026Est. run: 23sEst. cost: $0.0014
How Latenode estimates time and cost

Latenode bills workflow runs in credits: 1 credit = 30 seconds of processing. Minimum charge per run depends on your plan. Plug-and-Play (PnP) AI nodes are billed separately—each PnP token is $1 USD, charged pay-as-you-go at vendor cost plus a small processing fee, with no API keys required.

Full pricing — how credits work →
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Workflow preview

What this template does

  • Listens for new comments on Instagram posts via webhook
  • Filters out self-comments to focus on external engagement
  • Retrieves post data from Instagram Graph API for context
  • Crafts personalized replies using Gemini AI natural language model
  • Automatically posts generated replies back to original comment threads

How it works

1
Trigger

Instagram Webhook Listener

The automation solution listens for new comments on your Instagram posts via a webhook integration.

2
Action

Extract Comment Data

It then retrieves the details of the new comment and the associated post information from the Instagram Graph API.

3
Logic

Validate Comments

The solution filters out any self-comments and extracts the relevant data from the comment and post details.

4
AI

Generate Response

A custom AI system prompt is used to craft a personalized, contextually relevant reply to the comment, based on the extracted data.

5
Action

Post Reply

Finally, the AI-generated response is automatically posted back to the original comment thread on Instagram.

Setup guide

1

Add Instagram Business credential via OAuth

Add an Instagram Business credential in the Latenode Credentials panel by connecting your Instagram account via OAuth. This will grant the workflow access to post comments and fetch post data from your Instagram account.

2

Configure the Webhook node

In the Latenode builder, add a Webhook node and configure it to listen for new comment events from Instagram. Specify the required fields like user ID, username, comment text, and media ID to be extracted from the webhook payload.

3

Set up the Instagram Graph API node

Add an Instagram Graph API node to the workflow and connect it to the Instagram Business credential. This node will be used to fetch the caption and other details of the Instagram post that received the new comment.

4

Configure the OpenAI ChatGPT node

Add an OpenAI ChatGPT node to the workflow and connect it to your OpenAI API key stored in the Latenode Secrets panel. This node will use the OpenAI API to generate a contextually relevant reply to the Instagram comment based on the post's caption and the user's comment.

5

Set up the Instagram Post Comment node

Add an Instagram Post Comment node to the workflow and connect it to the Instagram Business credential. This node will be used to post the AI-generated reply back to the original Instagram comment thread.

Requirements

Connect to Instagram Business account with valid API credentials
Set up a webhook integration to listen for new comments on Instagram posts
Integrate with OpenAI's ChatGPT API to generate contextually relevant responses to comments
Implement logic to filter out self-comments and retrieve relevant post data from the Instagram Graph API
Configure the Latenode workspace with necessary nodes, secrets, and variables to automate the comment reply workflow
Ensure the Latenode workspace has the necessary permissions and access to post replies back to the original Instagram comment threads

FAQ

Common questions about this template

Each run uses credits on your Latenode plan. We charge for processing time (1 credit = 30 seconds). Your actual cost depends on your plan and how long the run takes. See pricing plans for plans and how credits work.
Contact support →

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