Comment Automation.
DM in 3 Seconds.
Set a keyword. Every Instagram commenter who uses it gets your DM instantly — automatically, 24/7. Free Forever · $3/mo · ₹99/mo India.
Quick Answer
Instagram comment automation detects trigger keywords in your post/Reel comments and instantly sends a personalized DM to every qualifying commenter — in under 3 seconds. ReplyKaro uses the official Meta Graph API (zero ban risk) and offers a Free Forever plan. Paid plans from $3/month.
How Comment Automation Works
Three steps. Set once. Runs forever.
01
Someone comments your keyword
A follower sees your Reel and comments 'LINK', 'FREE', or any keyword you set.
02
ReplyKaro detects it instantly
The Meta API notifies ReplyKaro in real time. Your DM queue fires immediately.
03
They receive your DM in < 3s
A personalized DM arrives before they even scroll past your post. Zero manual work.
6 Keywords That Convert
DM: Here's the link you asked for → [url]
Resource / lead magnet
DM: Here are full pricing details → [url]
Sales / product
DM: Your free guide is here → [url]
Lead capture
DM: Everything you need to know → [url]
High-ticket offers
DM: Shop the collection here → [url]
Ecommerce brands
DM: Amazing! Here's how to get started → [url]
Webinar / event
Meta-Verified. Zero Ban Risk.
ReplyKaro exclusively uses the official Instagram Graph API — the same one Meta approves for enterprise platforms. No browser bots. No password access. No scraping. Built-in rate limiters ensure every DM stays within Instagram's 200/hour policy.
200/hr
DM rate limit respected automatically
< 3s
Average DM delivery time
183K+
DMs sent safely on ReplyKaro
FAQ
What is Instagram comment automation?
It detects keywords in comments (e.g., 'LINK') and instantly DMs the commenter. Uses Meta's official API — safe, fast, 24/7.
Is automating comments safe?
Yes — ReplyKaro uses Meta's official API with rate limiters. No browser bots, no scraping. Zero ban risk.
What keywords work best?
Short action words: LINK, FREE, PRICE, INFO, SEND, YES. Show them as text overlay in your video.
How fast is the auto-reply?
Under 3 seconds from comment to DM. 5–10x higher conversion vs. manual replies.
How much does it cost?
Free Forever for basic comment-to-DM. Paid from $3/mo globally (₹99/mo India).
Can it work on all post types?
Yes — Reels, carousels, static posts, and video posts. Reels generate 3–8x more keyword comments. Stories are not supported by Meta's API.
How do I get more people to comment my keyword?
Text overlay in your Reel + say it aloud + put the CTA in your caption's first line. All three together drive 3–5x more keyword comments.
What if 10,000 people comment at once?
ReplyKaro queues all overflow automatically. Instagram allows 200 DMs/hour — everyone who comments eventually gets the DM, even during viral surges.
Can I use different DMs per keyword?
Yes. Each keyword has its own independent DM, link, and follow-up. Run PRICE, DEMO, and FREE on the same post — each sends a different message.
Does it work for personal accounts?
Instagram requires a Creator or Business (Professional) account. Switching is free and takes 60 seconds — and unlocks automation, analytics, and contact buttons.
How do I track triggered comments?
ReplyKaro's dashboard shows every triggered comment — username, keyword, timestamp, DM status. Export as CSV for CRM or ad retargeting.
Comment automation vs. mass DMs — what's the difference?
Comment automation only fires when someone voluntarily comments your keyword. Mass DMs are unsolicited and violate Instagram's policy. Comment-to-DM is explicitly Meta-approved; mass DMing is not.
Instagram Comment Automation Complete Guide 2026
How comment-to-DM automation works, which tools do it best, and why pricing matters more than you think.
How Instagram Comment Automation Works in 2026
When someone comments a keyword on your Instagram post or Reel (like 'LINK', 'PRICE', or 'INFO'), an official Meta API connection detects it within 1–3 seconds and automatically sends them a DM containing whatever you set up — a link, a message, a coupon code, or a calendar booking link. This is 100% within Instagram's Terms of Service. The trigger fires through the Instagram Graph API, not browser automation or bots. Instagram itself allows this officially. The 2026 limit is 200 automated DMs per hour per account — tools like ReplyKaro automatically queue messages when viral Reels hit that limit.
Comment-to-DM Tool Pricing in 2026
The cheapest Meta-verified comment-to-DM tools in 2026: ReplyKaro at ₹99/mo ($3/mo globally) is the lowest paid price. Free options include Magic Link by Earnly.in (free, basic), CreatorFlow (500 DMs/month free), and InstantDM (500/month free). Paid tools range from ReplyKaro's ₹99/mo to Kwikzy's ₹399/mo, InstantDM's $9.99/mo (~₹833), and ManyChat's $14–$69/mo. ManyChat's free plan was cut to just 25 contacts in March 2026 — it's effectively paid-only now. For Indian creators, only ReplyKaro, Kwikzy, QuickDM, and Linqin offer INR pricing and UPI support.
Comment Trigger Keywords That Convert Best
The most effective comment trigger keywords for Indian creators in 2026 are: 'LINK' (for Reels promoting digital products, courses, or Shopify stores), 'PRICE' (for fashion, beauty, and D2C brands), 'CALL' (for coaches and consultants booking discovery sessions), 'FREE' (for lead magnets and free guides), 'INFO' (for real estate and high-ticket products), and 'JOIN' (for communities and membership programs). Single-word uppercase keywords have 40% higher comment rates than multi-word phrases. The DM conversion rate (comment → DM opened) is typically 85–92% when the post clearly states the keyword.
Comment Automation for Reels vs Posts
Instagram Reels have significantly higher comment automation conversion rates than static posts. A Reel with 10,000 views typically generates 3–8x more keyword comments than a static post with the same reach. This makes Reels the primary use case for comment automation in 2026. The best strategy: in your Reel caption, add 'Comment LINK to get the free guide' in the first line (above the fold). ReplyKaro's Viral Surge Handling was specifically built for Reel virality — when a Reel suddenly gets 50,000+ views, the 200 DM/hour API limit kicks in. ReplyKaro queues the overflow automatically so no follower gets missed.
25 Instagram Comment Automation Keywords
by Industry (2026)
The highest-converting trigger keywords across five industries — with real DM copy, ideal niche, and expected comment rates based on 2026 creator data.
Coaches & Consultants
DM sentLet's talk! Book your free discovery call here → [calendly link]
Best niche: Business & life coaches
12–18% of viewers comment
DM sentGrab your spot before it fills up → [booking link]
Best niche: Course creators & trainers
10–15% of viewers comment
DM sentHere's how my mentorship program works → [url]
Best niche: Career & executive coaches
8–12% of viewers comment
DM sentWelcome! Here's the link to join the community → [url]
Best niche: Group coaching & memberships
14–20% of viewers comment
DM sentEnrollment is open — secure your seat here → [url]
Best niche: Online course launches
9–14% of viewers comment
D2C & Ecommerce
DM sentHere's the full pricing & product details → [product url]
Best niche: Fashion, beauty & home brands
18–25% of viewers comment
DM sentShop the full collection right here → [store url]
Best niche: D2C lifestyle brands
15–22% of viewers comment
DM sentReady to order? Here's your direct link → [url]
Best niche: Flash sale & limited drops
20–28% of viewers comment
DM sentYour exclusive discount code: REEL20 → [url]
Best niche: Seasonal & promo campaigns
22–30% of viewers comment
DM sentI've dropped the link to add it directly to cart → [url]
Best niche: Impulse-buy products
16–23% of viewers comment
Digital Creators
DM sentHere's the link you asked for → [url]
Best niche: All creator niches
20–35% of viewers comment
DM sentYour free resource is waiting → [download link]
Best niche: Educators & info-creators
25–40% of viewers comment
DM sentSending you the full guide now → [url]
Best niche: How-to & tutorial creators
18–28% of viewers comment
DM sentHere's your free template — download instantly → [url]
Best niche: Notion, Canva & productivity
22–32% of viewers comment
DM sentYour checklist is ready to download → [url]
Best niche: Productivity & wellness
19–27% of viewers comment
Real Estate & High Ticket
DM sentHere's everything about this property/offer → [url]
Best niche: Real estate & investment
8–14% of viewers comment
DM sentBook your site visit here → [calendar link]
Best niche: Real estate developers
6–11% of viewers comment
DM sentSchedule your private demo at a time that works → [calendly]
Best niche: SaaS & high-ticket B2B
5–9% of viewers comment
DM sentFull project details & floor plans sent! → [url]
Best niche: Luxury real estate
9–15% of viewers comment
DM sentBook your virtual or in-person tour here → [url]
Best niche: Real estate & hospitality
7–12% of viewers comment
Food, Beauty & Lifestyle
DM sentHere's how to place your order → [menu/store url]
Best niche: Home chefs & cloud kitchens
20–30% of viewers comment
DM sentFull recipe with measurements → [blog/link]
Best niche: Food & cooking creators
28–40% of viewers comment
DM sentMy full skincare routine is here → [url]
Best niche: Beauty & skincare creators
22–35% of viewers comment
DM sentHere's our full menu with prices → [url]
Best niche: Restaurants & home bakers
18–26% of viewers comment
DM sentLove to work together! Here's my media kit → [url]
Best niche: Lifestyle & brand creators
6–12% of viewers comment
Pro tip: Comment rates above are estimates for Reels with a clear keyword CTA in the first caption line + video text overlay. Without both, expect 50–60% lower comment volume. All keywords are case-insensitive in ReplyKaro.
How to Set Up Instagram Comment Automation
in 60 Seconds
Five steps from zero to your first automated DM — with a pro tip at every stage to maximize results.
01
Connect your Instagram account
Go to ReplyKaro → Connect Instagram → tap 'Authorize'. This links your Instagram Professional Account to Meta's official API in under 30 seconds.
Pro Tip
Make sure your Instagram account is set to Creator or Business mode first. Personal accounts cannot use the Graph API. Switching takes 60 seconds in Instagram Settings → Account type.
02
Select the post you want to automate
In ReplyKaro's dashboard, click 'New Automation' → choose 'Comment to DM' → select the specific post or Reel from your feed. You can also set it up before posting using Scheduled Automation.
Pro Tip
Set up the automation before you post for maximum speed. If you post first and add automation 20 minutes later, you'll miss the first wave of commenters — which is often your highest-intent audience.
03
Set your trigger keyword
Type the exact keyword you'll tell people to comment (e.g., LINK, FREE, PRICE). Keywords are case-insensitive — 'link', 'Link', and 'LINK' all trigger the same automation.
Pro Tip
Use a single uppercase word. Avoid multi-word phrases like 'send me the link' — they have 40% lower comment rates because people get the phrasing wrong. One word, all caps, in your video overlay and caption.
04
Write your DM message
Type the DM your commenter will receive. Include your link, offer, or next step. You can use {name} to personalize with the commenter's first name. Add a second message for a follow-up sent 10 minutes later.
Pro Tip
Keep the first DM short: one sentence + one link. Long opening DMs have 23% lower open-to-click rates. Save the details for the landing page. The follow-up message is where you add context, FAQs, or a CTA to book a call.
05
Go live and promote your keyword
Post your Reel. In the caption's first line (before 'more'), write: 'Comment [KEYWORD] and I'll DM you instantly.' In the video, add a text overlay showing the keyword and say it out loud at least once.
Pro Tip
Saying the keyword aloud in the video increases comment rates by 35–50% vs. caption-only CTAs. The algorithm also rewards posts with high comment volume — your automation actually helps your content reach more people.
Instagram Comment Automation:
Real Results & Benchmarks 2026
Data from 10,000+ automations run on ReplyKaro in Q1–Q2 2026. Numbers reflect Creator and Business accounts using keyword comment-to-DM across all post types.
87–95%
Comment-to-DM open rate
vs. just 2% average link-in-bio CTR. When someone actively asks for your link by commenting, they open the DM almost every time — because they initiated the interaction.
< 3 seconds
Average DM delivery time
vs. 4+ hours average manual response time. Leads contacted within 60 seconds convert at 5–10x higher rates. Sub-3-second delivery means you catch them at peak intent — still watching your Reel.
3–7x
Algorithm reach boost from keyword comments
Instagram's algorithm treats keyword comments as high-quality engagement signals. Reels with rapid comment volume in the first 30 minutes get pushed to Explore and Reels tab — comment automation creates a positive feedback loop.
40–60%
Commenters who become followers (Follow-Gate)
When you add a Follow-Gate to your automation (verify the commenter follows you before sending the DM), 40–60% of non-followers tap Follow to unlock the content. This turns every viral Reel into a follower acquisition machine.
Results vary by niche, audience size, and how prominently the keyword is featured in your content. Accounts that show the keyword as a text overlay AND say it aloud in their Reel AND include it in the first caption line see the highest comment rates consistently.