Last updated: September 2026
When someone comments a keyword on your Facebook post or messages your Page, Zaprep replies publicly, opens a private Messenger conversation, delivers your link or offer, and asks for their email — automatically.
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Facebook lead generation with Messenger automation turns organic engagement on your Facebook Page into contacts you own. When someone comments a keyword on a post or sends your Page a message, an automation replies instantly in Messenger, delivers what they asked for, and collects their email address inside the same conversation.
Example flow
A local fitness studio promoting a free class pass on its Facebook Page.
The post says: “Comment PASS and we’ll send you a free class pass in Messenger.”
Meta sends the comment to Zaprep through its webhooks in real time. Zaprep matches the keyword on that post.
Zaprep replies to the comment publicly (“Sent! Check your messages 📩”) and sends the commenter a private Messenger message — even if they have never messaged your Page before.
The Messenger message asks where to send the pass. The Ask Email step checks the address format and saves it to your Contacts.
Zaprep sends the booking link as a button. Links are shortened and tracked, so you can see how many people clicked.
The numbers Zaprep shows you for every campaign.
Use cases
Any Page where people already comment and ask questions.
Comment GUIDE on a post to get a free workbook in Messenger, then share your email to receive the full course outline.
Salons, clinics, and home-service businesses answer “price?” comments with a booking link and capture contact details before the lead goes cold.
Comment CODE on a product post to receive a discount code in Messenger — and join the email list for restock alerts.
Comment SEAT to get the registration link in Messenger, plus a reminder email once they share their address.
Email collection is included on the free Starter plan. Creator removes the monthly message cap and the Zaprep signature.
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FAQ
No. Facebook Lead Ads are paid ad forms. Zaprep turns organic comments on your Page’s posts and conversations in Messenger into leads, using automated replies and email capture inside the chat.
Yes. When a comment matches your keyword, Zaprep can reply publicly and send the commenter a private Messenger message, including people who have never messaged your Page before.
Add an Ask Email step to your automation. Zaprep asks for the address inside the Messenger conversation, checks the format, and saves it to your Contacts, where you can export the list as CSV.
Yes. Email collection is included on the free Starter plan, along with 1,000 automated messages per month across 2 connected Instagram or Facebook accounts. Starter messages include a small “Sent via @zaprep_official” signature.
No. Zaprep works with Facebook Pages you manage. You connect the Page with Facebook Login, and Zaprep uses Meta’s official APIs and webhooks — no password sharing and no scraping.
No. Follow Gate and story triggers are Instagram features. Facebook Pages support comment triggers, Messenger keyword replies, links, and email collection.
Connect your Page, set a keyword, and let Messenger do the follow-up.
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