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Automate Instagram Comments with n8n + AI (Full Workflow + Real Issues)
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Automate Instagram Comments with n8n + AI (Full Workflow + Real Issues)

DEV CommunityΒ·JayanthΒ·6 months ago
#nBzZKCZW
#ai#javascript#tutorial#opensource#comment
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What this builds

An automated system that:

monitors Instagram comments

generates contextual AI replies

optionally sends DMs

tracks everything

Basically:

comment β†’ response β†’ conversation β†’ lead

Architecture

`Instagram Comment Trigger ↓ Fetch Post + Comment Data ↓ Filter (duplicates / spam) ↓ AI Response Generator ↓ Post Reply (Graph API) ↓ Send DM (optional) ↓ Store in DB / Google Sheets`

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Step 1 β€” Trigger (Monitor Comments)

Use Instagram Graph API.

Setup:

poll every 2–5 minutes

fetch latest posts

extract new comments

Why polling?

Because real-time webhook setup is more complex and not required for most use cases.

Step 2 β€” Filtering Layer (Critical)

Before doing anything, filter:

already replied comments

duplicate users

spam comments

If you skip this:

β†’ your workflow will reply multiple times to the same user

Step 3 β€” Extract Context

From each comment, extract:

comment_text username post_caption

Why this matters :

AI without context →…

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