Skip to content
OnlyTG Icon
  • ProductsExpand
    • Echo
    • Recorder
  • ResourcesExpand
    • Help
    • Blog
  • PricingExpand
    • Echo Pricing
  • EnglishExpand
    • 中文 (中国)
    • Русский
    • English
Contact us

OnlyTG Echo

  • Introduction
  • How to start
  • Chatbots
    • Message Receive and Reply
    • Set Start Message
    • Set Auto-reply and keywords-based reply
    • Set Quick Reply
    • Create Broadcast Task
    • Tracking Links
    • Bot Menu
  • Channels
    • Channel Management
    • Channel Post
    • Channel Post Edit
    • Pro Communities – Channel
    • Loop Post on Telegram Channels
  • Groups
    • Group Management
    • Group CAPTCHA
    • Group Greeting
    • Group Rules
    • Keywords Reply for Group
    • Pro Communities – Group
    • Group Post and Loop Post
  • Others
    • Multi-form Messages Builder
    • Change to Topic Mode
    • Multimedia Messages
    • Set and use content module
    • Edit bot infomation
    • View My Bot’s Statistics
    • Tag Contacts
    • Authorization

OnlyTG Recorder

  • Introduction
  • Record Message and Foward
  • Save Record
  • Lock Record
  • Edit Record Title
  • Timezone
View Categories
  • Home
  • Docs
  • Group CAPTCHA

Group CAPTCHA

2 min read

CAPTCHA – Click/Math

OnlyTG Echo provides the function to send the CAPTCHA test to new members joining the group.

Video Tutorial

step

Send /start command to your bot and click Group Setting button.

Group CAPTCHA
Group CAPTCHA

Now select your group and you can view the group’s basic information. (Click here to learn how to add groups?)

Group CAPTCHA
Group CAPTCHA

Click CAPTCHA button.

Group CAPTCHA

It is currently disabled. Click Disabled button to switch to enabled. To turn off the feature, click Enabled to switch back to disabled.

Group CAPTCHA
Group CAPTCHA

Select the Test Duration

Group CAPTCHA

Choose the Test Method—you can select either Click test or Math test.

Group CAPTCHA
Group CAPTCHA
Group CAPTCHA

Now all new members joining the group will receive a CAPTCHA test. They must pass the CAPTCHA test to send messages normally. Members who fail to complete the test within the specified time will be kicked out of the group.

Group CAPTCHA

CAPTCHA – Join

OnlyTG Echo has added a new Join Test Method to the CAPTCHA. New members will be muted upon joining the group. They must join the specified channels, groups or bots. Otherwise, they will be kicked out of the group after the test period.

Video Tutorial

step

Click Join in the CAPTCHA menu.

CAPTCHA - Join

Click the corresponding buttons to add your Channels, Groups or Bots to the required list.

Note: Only bots added to Echo and the groups and channels managed by them will be shown here.

CAPTCHA - Join

You can select multiple channels, groups or bots at the same time. A checkmark means selected, and you can click again to deselect.

CAPTCHA - Join

You can view all selected channels, groups and bots here.

CAPTCHA - Join

If you need to modify the required list later, click Join Setting in the CAPTCHA menu.

CAPTCHA - Join

Now when new members joining the group, they will be automatically muted, and a prompt will appear in the group. The member must join the channels, groups or bots in the required list within the specified time to speak normally in the group. Otherwise, they will be kicked out of the group after the test period.

CAPTCHA - Join

Share This Article :

  • Facebook
  • X
  • LinkedIn
Group ManagementGroup Greeting
Table of Contents
  • CAPTCHA - Click/Math
    • Video Tutorial
    • step
  • CAPTCHA - Join
    • Video Tutorial
    • step
  • Latest Post
  • Echo
  • Recorder
  • Tips
Telegram Tips

How to buy a Telegram virtual number

A virtual phone number for Telegram is an internet-based number that allows you to register and verify Telegram accounts without…

Telegram Tips

How to purchase Telegram username?

A Telegram username is a unique public identifier that you can set for your Telegram account, channel or group. Others…

Telegram Tips

How to find similar Telegram groups and channels via related recommendations

There are many public channels and groups on Telegram. Each channel or group usually focuses on a specific topic, and…

Telegram Tips

How to Advertise on Telegram

There are mainly three ways to advertise on Telegram: official ad direct placement, third-party cooperative ads, and promotion within your…

Telegram Tips

How to Buy Cryptocurrency/USDT

The first step in buying cryptocurrencies is usually to purchase USDT, then exchange USDT for other coins like BTC, ETH,…

Telegram Tips

How to Buy Telegram Stars

Stars is a virtual currency officially launched by Telegram for purchasing paid content within Telegram. Stars is not classified as…

Telegram Tips

What is the purpose of Telegram group and channel levels? How to boost?

In Telegram, Levels act like an “experience bar” for public groups and channels. As a community reaches higher levels, it…

Telegram Tips

What are the actual benefits of a Telegram Premium subscription, and how to purchase it?

Telegram Premium is a subscription service that unlocks enhanced limits and exclusive features while supporting the app’s independent development. What…

How to Loop Post in Channel via Telegram Bot

OnlyTG Echo provides the function to automatically loop posts in your channel. Firstly, you need to create a new bot via @botfather and…

How to Configure Multiple Media when Setting OnlyTG Echo Features

OnlyTG Echo provides the function to configure multiple media to a single message when setting Start Message/Auto Reply/Quick Reply/Broadcast and other features. Firstly, you need…

How to Upgrade Channel to Pro Channel in Telegram

OnlyTG Echo provides the function to upgrade your channel to Pro Channel. This will consume your Pro Communities slots and unlock more advanced features….

How to Edit a Published Post via Telegram Bot

OnlyTG Echo provides the function to Edit Channel Post via your bot. Firstly, you need to create a new bot via @botfather and…

How to Publish Channel Post via Telegram Bot

OnlyTG Echo provides the function to Publish Channel Post via your bot. Firstly, you need to create a new bot via @botfather and…

How to Manage Channel via Telegram Bot

OnlyTG Echo provides the function to Manage Channel via your bot. Firstly, you need to create a new bot via @botfather and send its…

How to Send Group Greeting via Telegram Bot

OnlyTG Echo provides the function to send the Greeting Message to new members joining the group. Firstly, you need to create a new…

How to Set Group CAPTCHA via Telegram Bot

OnlyTG Echo provides the function to send the CAPTCHA test to new members joining the group. Firstly, you need to create a new bot…

How to Use OnlyTG Recorder?

Welcome to OnlyTG Recorder! Developed by our dedicated bot development team, OnlyTG Recorder is designed to serve as an assistant…

How to buy a Telegram virtual number

A virtual phone number for Telegram is an internet-based number that allows you to register and verify Telegram accounts without…

How to purchase Telegram username?

A Telegram username is a unique public identifier that you can set for your Telegram account, channel or group. Others…

How to find similar Telegram groups and channels via related recommendations

There are many public channels and groups on Telegram. Each channel or group usually focuses on a specific topic, and…

How to Advertise on Telegram

There are mainly three ways to advertise on Telegram: official ad direct placement, third-party cooperative ads, and promotion within your…

How to Buy Cryptocurrency/USDT

The first step in buying cryptocurrencies is usually to purchase USDT, then exchange USDT for other coins like BTC, ETH,…

How to Buy Telegram Stars

Stars is a virtual currency officially launched by Telegram for purchasing paid content within Telegram. Stars is not classified as…

What is the purpose of Telegram group and channel levels? How to boost?

In Telegram, Levels act like an “experience bar” for public groups and channels. As a community reaches higher levels, it…

What are the actual benefits of a Telegram Premium subscription, and how to purchase it?

Telegram Premium is a subscription service that unlocks enhanced limits and exclusive features while supporting the app’s independent development. What…

  • OnlyTG
  • Echo
  • Recorder
  • Help
  • Blog
  • Echo Pricing
OnlyTG EchoTelegram VK YouTube Facebook X Email

© 2026 OnlyTG

Scroll to top
  • Products
    • Echo
    • Recorder
  • Resources
    • Help
    • Blog
  • Pricing
    • Echo Pricing
Contact us