Official Meta Graph API

Instagram Comment to DM Automation That Answers in Seconds

Tell your audience to comment a keyword — "LINK", "GUIDE", "PRICE" — and Reachook sends each commenter an instant private DM with your link, lead magnet, or AI-written reply. On the official Meta Graph API, with a follow gate and a CRM logging every lead.

What is comment-to-DM automation?

Comment-to-DM automation is software that automatically sends a private Instagram DM to anyone who comments on your post, Reel, or story. You set a trigger keyword; when someone comments it, the tool instantly DMs them a link, lead magnet, or personalized reply. It works through Meta’s official API and is the fastest way to convert public comment sections into private conversations, leads, and sales.

Last updated: July 2026

Everything Instagram comment automation should do

DM Within Seconds of the Comment

Meta’s real-time webhooks notify Reachook the instant a comment lands — the DM goes out while the commenter is still in the app, at peak intent.

Keyword Triggers, Three Match Modes

Exact match, contains, or AI fuzzy matching — so "LINK", "link pls" and "can i get the link?" all fire the same automation.

Public Reply + Private DM

Reachook can like the comment and post a public reply ("Check your DMs! 🎁") while the private DM delivers the payload — social proof and delivery in one motion.

Follow Gate Before Delivery

Ask commenters to follow you before the DM releases your lead magnet — verified through the Graph API, not an honor system.

Works on Posts, Reels & Stories

Comment triggers on posts and Reels, plus story replies and mentions — every surface where your audience raises a hand.

Every Commenter Becomes a Contact

Handle, trigger comment, conversation history, and captured emails land in the built-in CRM — exportable to CSV anytime.

Official Meta API — No Ban Risk

OAuth 2.0 login, no password sharing, no scraping. Rate limits are respected natively, so your account stays clean.

Viral-Spike Queuing

A Reel with 10,000 comments doesn’t break anything: DMs queue and throttle inside Meta’s limits, and automations never shut off.

Connected Bio Page & Lead Forms

Send commenters to a lead form on your built-in link-in-bio page — comment to DM to captured email, in one connected system.

Comment-to-DM tools compared

Feature availability based on publicly listed plans as of July 2026 — always verify current details on each vendor’s site.

CapabilityReachookManyChatInstantDM
Comment-to-DM on posts & Reels
AI-personalized replies in brand voicePaid AI add-on
API-verified follow gate
Public comment reply + like
Story reply & mention triggers
Built-in link-in-bio + lead forms
CRM with CSV export
Flat pricing (not per-contact)
Free tier1,000 DMs/moLimited contacts

Why comment-to-DM beats "link in bio" alone

The classic funnel — "link in bio!" — asks a viewer to leave your post, open your profile, find the link, and tap through. Every step loses people. Comment-to-DM cuts the journey to one action the viewer performs without leaving the post: type a word. The link arrives in their inbox, where the conversation is private, personal, and permanent — your DM doesn’t vanish down a feed.

It also flips the algorithm in your favor. Comments are a strong ranking signal, and a caption that asks viewers to comment a keyword generates hundreds of them. The post reaches further, which generates more comments, which the automation converts into DMs and contacts. The mechanic feeds itself — that’s why you see "comment LINK" everywhere. The creators doing it aren’t typing those DMs by hand.

From comment to customer: what happens after the DM

Delivery is the start, not the end. Reachook’s AI can carry the conversation in your brand voice — answering questions about price, contents, or fit — while the follow gate converts interested commenters into verified followers before the payload releases. Every interaction lands in the CRM with the trigger comment, the conversation, and any email captured through your bio-page form.

That last step matters most: audience you can export is audience you own. When the algorithm changes or a post flops, your contact list doesn’t care. Comment-to-DM automation is ultimately a list-building machine wearing a convenience feature’s clothes.

How it works

1

Connect Instagram in 60 seconds

Sign in with Meta’s official OAuth. You need a free Professional (Creator or Business) account — no passwords ever touch Reachook.

2

Pick a post and a keyword

Choose a specific post or Reel — or an account-wide rule — and set your trigger keyword and match mode.

3

Write the DM (or let AI write it)

Attach your link or lead magnet, enable AI brand-voice replies, and optionally require a verified follow before delivery.

4

Post, and tell people to comment

“Comment GUIDE and I’ll DM it to you.” Every comment becomes a DM conversation and a CRM contact — automatically.

Who uses this

Coaches & course creators

Deliver free guides on comment, qualify buyers in the DM conversation, and book calls without cold outreach.

Comment-to-DM for coaches

E-commerce & D2C brands

Answer "price?" and "link?" comments with product pages and discount codes the moment intent peaks.

Comment-to-DM for e-commerce

Indian creators & brands

Flat rupee billing through Razorpay and UPI — no forex markup on a dollar-priced tool.

DM automation in India

Frequently asked questions

How do I automatically DM someone who comments on my Instagram post?

Use a comment-to-DM tool built on Meta’s official API, like Reachook: connect your Instagram Professional account via Meta OAuth, choose a post, set a trigger keyword such as "LINK", and write the DM you want delivered. From then on, every commenter who uses the keyword receives your DM within seconds — no manual work.

Is comment-to-DM automation allowed by Instagram?

Yes — when it runs through Meta’s official Instagram Graph API, as Reachook does. Meta explicitly supports messaging automation through its API for Professional accounts. What violates the terms is scraping, password-sharing bots, and unofficial clients — not API-based automation.

Do commenters need to DM me first for the automation to work?

No. When someone comments on your post, Meta allows an automated private reply to that comment through the API. Their comment is the opt-in. The DM opens a conversation they can continue naturally.

What keywords should I use for comment-to-DM?

Short, single words work best: "LINK", "GUIDE", "PRICE", "ME". Tell people exactly what to comment in your caption and on-screen text. With Reachook’s contains and AI fuzzy matching, close variations like "link please" trigger the automation too, so you don’t lose leads to typos.

Can it reply to the comment publicly as well as by DM?

Yes. Reachook can like the comment and post a public reply like "Sent — check your DMs!" while the private DM delivers your link. The public reply doubles as social proof that tells other viewers the mechanic works.

What happens if my post goes viral?

Reachook queues outbound DMs and throttles them inside Meta’s rolling rate limits, so every commenter still gets their DM and your account stays compliant. If you exceed your plan’s DM allowance, automations keep running and overage is billed transparently — they never shut off mid-spike.

How much does comment-to-DM automation cost?

Reachook’s free plan includes 1,000 DMs per month — enough to run a real comment-to-DM funnel. Paid plans start at $10/month (or $7/month billed annually) with unlimited DMs and automations. Indian customers pay in rupees through Razorpay with UPI support.

Is comment automation the same as comment-to-DM?

They overlap. Comment automation covers everything a tool does with comments automatically — liking them, replying publicly, filtering spam. Comment-to-DM is the highest-value slice: answering a comment with a private DM. Reachook does both in one motion: it can like the comment, post a public reply, and send the private DM with your link — while logging the commenter into your CRM.

Does comment-to-DM work with a personal Instagram account?

No — Meta’s API requires a Professional account (Creator or Business) connected to a Facebook Page. Switching from Personal to Creator is free and takes about a minute in Instagram’s settings.

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