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What does Manychat comment-to-DM do for a Shopify store?
Someone comments a keyword under your Instagram post or Reel. Manychat replies publicly, then sends a direct message with your Shopify product link. You choose the post, the keyword, and the message. It works without a Shopify connection, because the DM carries a link to your store.
Manychat's Free plan is enough to build this flow. You can try Manychat's Instagram automation (affiliate link) and follow along. We haven't tracked sales from it ourselves.
The setup suits a store owner with one product drop and an Instagram account. It answers the same "link?" comment for you, every time someone asks.
What you need before the first automation
Manychat works with Instagram's professional account types, Business and Creator. A personal profile won't connect. Switching takes a minute in Instagram's settings.
Ways to connect Manychat — Via Meta, the recommended route, needs a Meta Business Portfolio · Via Instagram is quickest, with some features limited · Via Meta Business Suite suits agencies.
The Shopify side is simpler. You only need a live product URL. A discount code made just for this post helps too. We'd keep the code unique, so orders from the DM are easy to count.
Building the flow for one product drop
Manychat calls this a Quick Automation. It sits under Automations. Start a new one and choose Auto-DM links from comments, as Manychat's setup guide describes. The builder then asks for each piece in turn.
Trigger post — a specific post or Reel, any post, or your next post · only one "next post" automation can run at a time.
Keyword — a word nobody types by accident · DROP or SIZE works better than a common word.
Public reply — up to three versions, shuffled by Manychat so the comment section doesn't look robotic.
Opening DM — optional · a tap on its button opts the person in · you can then message them for 24 hours.
Link message — the product URL and the post's discount code · one product and one link.
Keep that last message short. It should read like a quick reply from a person, not a catalog page.
Keyword triggers versus any comment
Manychat can fire on any comment or only on comments with your keywords. For a product drop, keywords are usually the better choice. A friend's emoji shouldn't get a sales DM.
Any comment can make sense on a giveaway post, where every comment is an entry. Watch the Free plan limits there. Each person you message counts as an Active Contact for the month.
Manychat can also check whether someone follows you before it sends the link. It can ask for an email address in the DM as well. Both add a step for the shopper. Turn them on only when you need what they collect.
When comment-to-DM isn't working
Most failures come from setup, not from Manychat itself. Work through these in order.
Account problems — a personal Instagram account instead of Business or Creator · a connection made Via Instagram when a feature needs the Meta route.
Automation problems — the keyword spelled differently in the comment · the wrong post selected · the automation not set live · a second comment trigger catching the comment first.
Manychat's guide says to keep automation order in mind when several comment triggers are active. A broad "any post" trigger can catch a comment before the specific one you just built.
Free plan ceilings — 4 live automations · 25 Active Contacts a month. A busy post can use up the contact allowance fast.
Measuring what the DMs bring in
A comment count isn't a sales number. Orders are, and counting them takes two small habits.
Give the DM its own discount code, and tag the product link with UTM parameters such as utm_source=instagram. Write down the post date and keyword too.
After a week, look up orders that used the code. That number is a floor. Some people buy later without the code. Compare it with how many people received the DM.
Give it more than one post. Two or three drops with different keywords and offers show which setup brings orders. Reread the DM after each run and change a line or two.
Order messages need a bridge to Shopify
Comment-to-DM sends links. It doesn't know who bought, what's in a cart, or when an order ships. Messages based on orders need something between Shopify and Manychat.
Manychat's integrations page doesn't list Shopify, and its help center has no Shopify setup guide. The documented options are a Zapier integration, a Make app, and the Manychat API.
Make is the one we'd try first. Its Manychat app can catch data sent from a Manychat flow, then look up or update records elsewhere. Make's docs say the connection needs a Manychat Pro account, because it runs on the API token.
A simple use is tagging. A DM button can send the person's details to Make, and Make can tag them as a lead in a sheet or CRM. If you want to try that, start with a free Make account and test with your own Instagram profile.
There's also a time limit. Once someone taps your Opening DM, you can message them for the next 24 hours. Cart reminders and shipping updates usually come later, so email or SMS suits them better. Keep the DM for the first link.
Manychat plan limits and prices
| Plan | Price on the page | Contacts and limits | Notes |
|---|---|---|---|
| Free | $0 | 25 Active Contacts a month · up to 4 live automations · 1 user | Shows "Powered by Manychat" on first message |
| Essential | $17 monthly, or $14 a month billed yearly | Unlimited automations · 2 channels · 2 users | No Manychat branding |
| Pro | $39 monthly, or $29 a month billed yearly | 2,500 Active Contacts a month · 3 channels · 3 users | AI replies and API access; overage per extra contact |
Manychat's pricing page says prices depend on your billing country. Tax isn't included. You can test Essential or Pro for 14 days before paying. An Active Contact is one person you interact with in a month, however many messages you exchange.
Run one drop on Free first. Look at how many people commented before you choose a paid plan.
For related setups, see setting up an AI pre-sale assistant on Shopify and building a creator ambassador program. For order-based automations, read five Make automations for Shopify.
Integration, free plan, fixes and codes
Does Manychat need a Shopify integration for comment-to-DM?
No. The link in the DM points to your product page, so nothing needs connecting. Order-based messages are different and need Make or Zapier.
Is Manychat free for Instagram comment automation?
The Free plan includes comment-triggered automations, with up to 25 Active Contacts a month and 4 live automations, per Manychat's help center on November 10, 2026.
Why is my Manychat comment-to-DM not working?
Check that Instagram is a Business or Creator account, the keyword matches, the right post is selected, the automation is live, and no other comment trigger is catching it first.
Can I send a discount code in the DM?
Yes. The DM is an ordinary message. The code can sit next to the product link. A code unique to that post makes orders from the DM easier to count.