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Meta is testing a new Instagram advertising feature that automatically sends a private message to users when they comment on an ad with a selected keyword.
The feature, called Reply to Keywords, appears inside Instagram ad creation tools and is designed to help advertisers turn comment activity into direct message conversations. Instead of manually replying to every user who asks for a link, discount, guide or more information, advertisers can set up a keyword trigger and send an automatic DM.
The test is still limited, and Meta has not announced a wider rollout date. But the feature points to a larger shift in how Instagram advertising may work: comments are no longer only engagement signals. They can become the starting point for private sales conversations.
How Reply to Keywords Works
Advertisers who have access to the test see a new Conversations option when creating an ad. The setup is simple.
First, the advertiser turns on Reply to Keywords. Meta describes it as a way to save time by automatically sending a private message when people comment with a keyword.
Second, the advertiser chooses up to five keywords or phrases. If a user comments on the Instagram ad using one of those words or phrases, the automated private message is triggered.
Third, the advertiser writes the message that the commenter receives. The message can include useful contact or conversion details such as a link, phone number or email address. That means the DM can send the actual offer, not just a basic acknowledgement.
Finally, the setup screen includes a preview showing how the Instagram comment and the resulting private message will look.
For now, the test appears focused on Instagram placements. There is no clear indication that it currently works with Facebook placements.
Why Meta Is Testing It
The feature fits Meta’s wider push to move more business interactions into messaging. Instagram users already DM creators and brands for product links, prices, booking details and recommendations. Reply to Keywords makes that behavior easier to turn into an ad workflow.
The feature is also useful because comment-to-DM marketing is already popular. Many creators and businesses use prompts such as “comment GUIDE and I’ll send it to you” or “comment SALE for the link.” Until now, much of that automation has been handled by third-party tools.
By building the feature directly into ads, Meta lowers the setup barrier. A small business can run an Instagram ad, ask users to comment a keyword and automatically send them a link or offer without needing an external automation platform.
That could be especially helpful for creators, coaches, local businesses, course sellers, ecommerce brands and service providers that rely on simple lead capture.
Useful, but Early
The current version still looks like an early test. One limitation is that advertisers can choose up to five keywords, but appear to write only one automated message.
That creates a mismatch. If the feature is meant to answer different types of comments, advertisers would ideally want a different message for each keyword. A user who comments “shipping” should not necessarily receive the same message as someone who comments “discount.”
On the other hand, if the goal is a classic comment-to-DM campaign, most advertisers only need one keyword. For example, “comment GUIDE” would trigger one specific download link.
This suggests Meta may still be testing which use case matters more: handling common ad comments or turning comments into lead-generation triggers.
The Third-Party Tool Problem
Reply to Keywords could also affect a growing category of Instagram automation tools. Many third-party platforms already help businesses send automatic DMs when users comment on posts, Reels or ads with specific keywords.
If Meta offers a simple native version inside Ads Manager, some small advertisers may no longer need a separate tool for basic campaigns. That does not eliminate the need for more advanced automation platforms, but it does push them toward deeper features such as multi-step flows, analytics, CRM integrations and segmentation.
In other words, Meta may be absorbing the entry-level version of comment-to-DM automation.
What Advertisers Should Watch
There are still practical questions. Keyword matching can be messy. Users may misspell a word, add punctuation, use emojis or write a longer phrase that includes the keyword. Meta has not fully explained how flexible the matching system will be.
There is also a deliverability issue. If the commenter follows the account, the message may land in the main inbox. If not, it may go to Message Requests, where it could be missed.
Advertisers should also be careful not to inflate comments with low-intent one-word replies. A campaign that generates hundreds of “GUIDE” comments may look active, but that does not always mean the leads are high quality.
Why It Matters
Meta’s Reply to Keywords test shows how Instagram ads are becoming more conversational. Instead of sending every interested user to a landing page, businesses may be able to move people directly from a public comment into a private message.
For small advertisers, that could reduce friction and make simple lead capture easier. For users, it could mean more automated DMs after interacting with ads.
The feature is not advanced yet, but the direction is clear. Meta wants more business activity to happen inside Instagram messaging, and ad comments may become one of the easiest ways to start that conversation.