Doublegram Captcha
The ultimate solution for verifying users in Telegram groups
Powerful Protection, Seamless Experience
Instant Protection
Activate an instant barrier against spam and harmful bots in less than 60 seconds
Frictionless Verification
Smooth user experience with one-click verification, 90% faster than competing solutions
Advanced Bot Elimination
Three-layer technology that blocks even the most sophisticated bots, protecting conversation quality
Community Insights
Analytical dashboard showing who enters your group and identifying attack attempts in real-time
Zero Configuration
Works immediately without complex configuration, directly integrated into the Telegram ecosystem
Global Accessibility
Supports multiple languages and customizable themes, making your group accessible to everyone
Multi-Layer Security
Doublegram Captcha combines multiple security layers to provide maximum group protection while maintaining a seamless user experience.
Our system incorporates Telegram's signature verification, Google's reCAPTCHA technology, and our proprietary anti-spam algorithms to effectively stop bots, spammers, and potentially harmful users.
Invisible Protection
Our invisible reCAPTCHA technology works behind the scenes, analyzing user behavior without interrupting the user experience.
For legitimate users, no verification interface appears at all. Only in rare suspicious cases, a challenge may appear to verify the user's identity. This adaptive approach ensures maximum security with minimal friction.
No Interface for Real Users
One-Click Verification
Our invisible reCAPTCHA technology provides a seamless experience that requires just one click from your users.
The verification process is deeply integrated with Telegram, automatically closing once complete. No confusing puzzles or frustrating experiences for your community members.
ONE CLICK
VERIFICATION
INVISIBLE
PROTECTION
AUTOMATIC
CLOSING
TELEGRAM
INTEGRATED
Automatic User Removal
Users who fail to complete verification within 1 hour are automatically removed from your group, keeping your community secure.
This verification timeout will soon be customizable, allowing administrators to set the verification window that best fits their group's needs and activity levels.
Suspicious? Use /captcha
As a group admin, you can manually trigger verification for any user by replying to their message with /captcha.
This is perfect for situations where you suspect someone who's already in the group might be a bot or spammer, or if you want to re-verify existing members.
More groups, one place: Admin
Access your group statistics and management features through the Doublegram Admin HQ dashboard.
Monitor verification rates, check user activity, and configure your group protection settings all in one place.
Get Started
Add the Bot to Your Group
Invite @doublegram_captcha_bot to your group and grant it admin permissions.
Make the bot admins
Grant admin permissions to the bot to restrict userss.
Automatic Verification
New members will automatically receive a verification request via mini-app.
View statistics
View the statistics of all your groups in the admin HQ dashboard.
Protect Your Group
Doublegram Captcha helps you keep your Telegram groups safe from spam and unwanted users. Easy to set up and highly effective.
Not convinced? See how we compare:
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