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Instagram comment-to-DM automation for restaurants, salons, gyms, and clinics

"Comment MENU and I'll send the booking link" works on a small account too — Dartzo answers the instant Instagram allows, whether it's one comment or fifty.

A local business doesn't need viral comment volume for a manual reply-and-DM routine to break down — it just needs someone checking Instagram between customers instead of throughout the day. A comment asking for your menu, your price list, or a booking link at 11pm gets answered whenever you next open the app, which might be tomorrow. By then the person's often booked with whoever replied first.

Dartzo answers it the moment the comment lands — no phone in hand required. You set up the keyword and the DM once per post, and it keeps working on every post you tag with it, at whatever hour the comment arrives.

The setup

  1. Pick the post and the keyword
    A photo of your menu, your space, or a before/after — and the word you ask people to comment: "MENU", "BOOK", "PRICE". Mark it to apply to your next post so a new photo doesn't need new setup.
  2. Write the DM once
    Text, your link — a booking page, a PDF menu, a price list — and up to three buttons. A public reply under the comment lets other people scrolling the same post see that DMs are how to get the info.
  3. Lead capture, if you want to follow up yourself
    Turn it on to collect an email or ask a qualifying question in-thread before the link goes out, with CSV export so the list lands somewhere you can actually call or email people from.
  4. What the fan sees
    A comment, a quick public reply, and a DM with your link — arriving whether it's the middle of a lunch rush or the middle of the night, without anyone on your end noticing it happened.

What to write

Comment keywordWhat the DM saysWhere it sends them
MENU"Here's our full menu — see you soon! [link]"A PDF or web menu
BOOK"Booking link's below — pick whatever slot suits you. [link]"An appointment booking page
PRICE"Full price list is here, no surprises. [link]"A pricing page or PDF

What to expect

At the volume a local account usually sees, sends go out in seconds — the pacing and queueing rules that matter for a viral post rarely come into play here. What matters more is the reply window: Instagram gives roughly 7 days to reply to a post or Reel comment, 24 hours for a story reply or mention, and exactly one private reply per comment, ever. A DM keyword automation, separately, answers someone who messages your account directly rather than commenting.

Every comment that matches shows up in your delivery log with a status — sent, queued, expired, or failed with a reason — so if a customer says "I never got the link," you can check what actually happened instead of guessing whether the automation ran at all.

Limits worth knowing
One private reply per comment is Instagram's rule — if a customer comments your keyword twice by mistake, they get one DM, not two. Buttons in the DM only show on the Instagram mobile app; keep your link in the message text too, since a lot of local customers browse Instagram on desktop from a computer at work. Full numbers: Limits and windows.

Common questions

Do I need a large following for this to be worth setting up?
No — the value isn't volume, it's not missing the one comment that would have booked an appointment or ordered off your menu while you were busy running the business. It costs nothing extra to have it answer one comment a day versus a hundred.
Can customers just message me directly instead of commenting?
Yes — DM keyword is a separate trigger for exactly that: someone messages your account with a keyword and gets the same kind of automatic reply, without needing to comment on a post first.
What if I want a human to follow up after the automated DM?
Turn on lead capture — it collects an email or answer in-thread, exports to CSV, and every conversation still lands in Dartzo's shared inbox where you or your staff can reply manually whenever you're free.
Will this work if I only post a few times a month?
Yes — the automation is tied to the post and the keyword, not to posting frequency. It keeps answering matching comments on that post for as long as the automation is active and Instagram's reply window for each comment hasn't closed.
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