Comment-to-DM.
Sub-second delivery.
Direct Answer
Comment-to-DM automation watches your Instagram Reels for a keyword in the comments and sends every commenter an instant Direct Message. ReplyKaro delivers these DMs in under 1 second using the official Instagram Graph API.
- ✓ Sub-second delivery — 0.4–1.0s end-to-end via Meta webhooks
- ✓ Free Forever plan — unlimited keyword triggers, 1,000 DMs/month included
- ✓ Meta-verified safe — official Instagram Private Replies API, lowest possible risk of shadowban
- ✓ 200 DMs/hour per account — at Meta's official safe-rate cap
- ✓ Hinglish + Indian languages — Unicode-native keyword matcher
How Comment-to-DM Actually Works
Four steps. Under one second total. Powered by Meta's official Instagram Graph API + ReplyKaro's Redis-backed event queue.
1. Follower comments
Your follower types your trigger keyword (e.g. ‘LINK’, ‘PRICE’, ‘START’) under your Reel, Post, or Carousel.
2. ReplyKaro detects in <1s
Our Meta Graph API webhook fires the moment the comment lands. We match the keyword against your active automations.
3. DM lands instantly
Your pre-set DM (link, discount, PDF, voice note) is delivered to the commenter's Instagram inbox in under 1 second.
4. Engagement compounds
Instagram sees the comment + DM open + click signal — the Reel gets pushed to more viewers, triggering more comments. Compounding growth.
What Your Commenter Sees
One keyword. One instant DM. No copy-pasting links in replies.
@shopper_priya commented on your Reel
omg need this!! LINK 🔥
yourbrand
Active now
Delivered in 0.4s — fully automatic
High-Converting Comment-to-DM Funnels
Battle-tested keyword → DM patterns used by 1,000+ ReplyKaro creators in 2026. Steal these for your next Reel.
Lead Magnet Delivery
Comment ‘GUIDE’ → instant DM with your free PDF. Used by coaches, course creators, and B2B SaaS to capture 10x more leads from every viral Reel.
Product Link Drop
Comment ‘BUY’ → instant DM with your Shopify product link. Used by D2C jewellery, beauty, and fashion brands to drive direct conversions from Reels.
Booking & Calendly
Comment ‘BOOK’ → instant DM with your Calendly link. Used by coaches, consultants, and creators to convert viral content into discovery calls.
Discount Code Delivery
Comment ‘DEAL’ → instant DM with your discount code + landing page link. Highest-converting use case for D2C brands in 2026.
Why Comment-to-DM Outperforms ‘Link in Bio’
10x algorithm boost
When you say ‘comment LINK and I'll DM you’ instead of ‘link in bio’, Instagram sees a flood of comments — the strongest engagement signal in the algorithm. Your Reel gets pushed to 10x more viewers compared to a link-in-bio CTA.
90%+ DM open rate
Direct Messages have a ~95% open rate in Instagram, compared to 1–3% click-through on link-in-bio. When your link lands as a DM, almost everyone sees it — and most click within 5 minutes.
Zero friction conversion
Link-in-bio requires the user to leave the post, navigate to your profile, find the right link, and tap it. Comment-to-DM puts the link directly in their inbox in 1 second — the lowest-friction CTA on Instagram.
Compound growth via Follow-Gate
Layer ReplyKaro's Follow-Gate on top: every commenter must follow you before receiving the DM. This turns every viral Reel into guaranteed follower growth — typically +500–5,000 new followers per viral Reel.
Built-in lead capture
Every comment-to-DM trigger automatically captures the commenter's Instagram handle in your dashboard. Export as CSV to your CRM or use ReplyKaro's Fan Mode to track their lifetime engagement and award loyalty rewards.
Zero Shadowban Risk. Meta-Verified.
ReplyKaro uses Instagram's official Private Replies API and Messaging API exclusively. No browser bots. No password sharing. No fake-account workarounds. Meta rate-limits us at 200 DMs/hour per account to keep your account safe even at viral scale.
Honest Answers to Real Questions
What happens during a viral surge — say 10,000 comments in an hour?
ReplyKaro's queue engine accepts every comment event but releases DMs at Meta's safe rate of 200/hour per account. Every commenter still gets their DM — just spaced out over several hours during the surge. Pro Pack accounts get priority queue access and viral-surge handling for instant processing of high-priority triggers.
Can I run multiple keyword triggers on the same Reel?
Yes. You can set unlimited keyword triggers per Reel on the Starter Pack. Each keyword can map to a different DM (e.g. ‘PRICE’ → pricing PDF, ‘DEMO’ → Calendly link, ‘FREE’ → discount code). Triggers are evaluated independently, so a commenter typing multiple keywords gets multiple DMs.
Do I have to manually approve every comment trigger?
No — that defeats the purpose of automation. ReplyKaro's webhook fires the moment a comment is posted, the keyword match is automatic, and the DM is sent without manual approval. You can review every trigger in your dashboard's automation log after the fact.
What about non-English keywords like Hindi or Hinglish?
ReplyKaro's keyword matcher is Unicode-native, so it works with Hindi, Hinglish, Tamil, Telugu, Marathi, Bengali, and any other Instagram-supported language. Common Hinglish triggers like ‘BHEJO’, ‘DEDO’, ‘PRICE BATAO’ work out of the box.