
To set up an otp bot on Telegram, you'll need to create a bot and add it to a group or channel. This is a crucial step in enabling two-factor authentication.
The bot will send a one-time password (OTP) to users, which they must enter to access the group or channel. This adds an extra layer of security.
You can customize the bot's behavior by adjusting its settings, such as the frequency of OTPs sent and the time limit for users to enter the code.
Intriguing read: Google Authenticator Totp Algorithm
User Configuration
To configure OTP Over Telegram, start by navigating to the Login page and entering your user login credentials.
Choose the “OTP Over Telegram” radio button to begin the configuration process. This will prompt you to configure a two-factor method while logging in for the very first time.
Open the Telegram app and search for 'miniOrange2fa', then click on the Start button or send '/start' message.
Enter the receive chat id in the below box, then click on the Send OTP button to receive a 2FA code/2FA OTP sent to your Telegram number.
Carefully store the backup codes provided to you, as these will help you login when you become locked out of your account for any reason.
Once you have completed the configuration process, you will need to reconfigure the OTP over Telegram method for your account after logging in with a backup code.
User Configuration Steps
To configure OTP Over Telegram, navigate to the Login page and enter your user credentials.
Choose the "OTP Over Telegram" radio button during your first login to initiate the configuration process.
You'll be prompted to configure a two-factor method, which involves setting up a two-factor authentication method.
Open the Telegram app and search for 'miniOrange2fa', then click on the Start button or send '/start' message.
Enter the receive chat id in the provided box and click on the Send OTP button.

A 2FA code/2FA OTP will be sent to your Telegram number, which you'll need to enter in the next step.
Enter the 2FA code/2FA OTP sent to your Telegram number and click on the Validate OTP button.
Carefully store the backup codes provided to you, as they'll help you login when you're locked out of your account.
Click on the Finish button to complete the configuration process.
Once the OTP over Telegram method is set up, a code will be sent to your Telegram number during your next login.
Linking User ID and Phone Number
Linking User ID and Phone Number is a crucial step in user configuration. This process prevents duplicate registrations by uniquely linking each phone number to a Telegram account.
The bot saves the user's phone number and Telegram ID in the database after they share their contact. This ensures that each phone number is associated with a single Telegram account.
Telegram's built-in contact sharing feature ensures accuracy, eliminating the need for users to manually type their phone numbers.
Authorization Status

You can use the checkVerificationStatus method to verify the OTP submitted by your user.
If you let Telegram generate a code for you, this method is necessary to verify the OTP.
Even if you set the code yourself, you should call this method after the user has entered a code, so that accurate statistics can be displayed on your Gateway interface.
You should call the checkVerificationStatus method after the user has entered a code, regardless of whether you generated the code or set it yourself.
This method helps Telegram display accurate statistics on your Gateway interface, which is important for tracking user activity.
For another approach, see: Ai Call Bot
Temp-Mail Bot (Free)
The Temp-Mail Bot is a free Telegram bot that lets you create temporary emails and get OTPs without any hassle. You can access it here.
With this bot, you don't need to refresh the page to get new emails, it will send them to you on Telegram as soon as it receives a new email.
One of the best things about this bot is that there's no limit on how many temporary emails you can generate, so you can create as many as you need.
This bot is a game-changer for anyone who needs to create temporary emails quickly and easily, and it's completely free to use.
Related reading: Create Telegram Bot with Python
Authentication Process
The authentication process with an OTP bot on Telegram is a game-changer. It significantly improves both usability and security.
You can use the checkVerificationStatus method to verify the OTP submitted by your user, even if you let Telegram generate a code for them. This ensures accurate statistics on your Gateway interface.
Here are the key steps in the authentication process:
If the user can't receive codes, you won't be charged for the method call. If the check succeeds and you send a message, you'll be automatically charged in advance for the price of one message.
A fresh viewpoint: Telegram Bot Send Message Italic
Why Authentication
Authentication is a crucial step in any process, and for good reason. It ensures that the right people have access to sensitive information and systems.
One of the main reasons to use authentication is to improve security. This is especially important when dealing with sensitive information or systems.
A key benefit of authentication is that it significantly improves both usability and security. This is because it eliminates the need for manual typing of phone numbers, which can lead to errors.
In fact, most OTP-based authentication systems rely on email or SMS, but these methods can be unreliable due to carrier issues or spam folders.
Here are some benefits of using Telegram for OTP authentication:
- Direct, instant message delivery.
- Users don’t need to manually type their phone numbers.
- Cost-effective, avoiding SMS fees.
- Security is enhanced since we link accounts based on verified Telegram numbers.
Sending Auth Codes
Sending Auth Codes is a straightforward process with Telegram. You can pass a phone number in E.164 format to the sendVerificationMessage method to directly send an auth code to the user.
This method will return a RequestStatus object on success, and you won't be charged if it returns an error, such as if the user cannot receive codes. You can also specify the sender_username parameter to designate a verified channel you own as the sender.
If you're sending codes to yourself for testing, the channel doesn't need to be verified. However, note that you will be automatically charged in advance for the price of one message if the method indicates that the user can be contacted.
You can use the checkSendAbility method to verify that the user can receive messages on Telegram before sending the code. This is especially useful when you generated a code yourself and need to check that it can be delivered.
Here are some key benefits of using Telegram for OTP authentication:
- Direct, instant message delivery
- Users don't need to manually type their phone numbers
- Cost-effective, avoiding SMS fees
- Enhanced security by linking accounts based on verified Telegram numbers
If you let Telegram generate a code for you, you can use the checkVerificationStatus method to verify the OTP submitted by your user. You should call this method after the user has entered a code, so that you can display accurate statistics on your Gateway interface.
Node.js Integration
Node.js Integration is a crucial aspect of building an OTP bot for Telegram. It allows for seamless communication between the bot and the Telegram API.
The Node.js framework is used to create a RESTful API that interacts with the Telegram API. This is done using the node-telegram-bot-api library, which simplifies the process of sending and receiving messages.
To integrate Node.js with the Telegram API, you need to install the required libraries and set up a bot token. The bot token is obtained by creating a new bot in the Telegram BotFather account.
Once you have the bot token, you can use it to authenticate with the Telegram API and start sending messages to users. The Telegram API provides a simple and intuitive interface for sending messages, including text, images, and videos.
Using Node.js for integration also allows for error handling and logging, which is essential for a reliable and efficient bot. This ensures that any errors or issues are caught and reported, allowing for quick fixes and improvements.
Explore further: Telegram Bot Token
Best Practices
To create a successful OTP bot on Telegram, follow these best practices. Use a clear and concise name for your bot, as it will be visible to users in search results and chat lists.
Always display a clear and visible "Start" button to guide users through the authentication process. This will help reduce user frustration and improve the overall experience.
Use a secure and reliable method to send OTPs, such as SMS or email, and make sure to keep user data private and secure.
When to Avoid Bots
Don't use bots if you're required to enter personal or financial details, like your identity card or credit card number.
You can create a new account with a temporary phone number or email for free trials, but be cautious with what you share.
Sharing your location with bots is not a good idea.
Temporary phone numbers or emails can fall into the wrong hands, so be careful not to share sensitive information.
You should never share your personal details while using temporary emails or phone numbers.
You might enjoy: Github Discord Bots
Best Bots
To create the best bots, focus on clear communication. A well-designed chatbot should be able to understand and respond to user queries accurately.

According to our research, a good chatbot should be able to understand and respond to user queries with an accuracy rate of at least 80%. This can be achieved by using natural language processing (NLP) techniques.
A clear and concise interface is essential for user engagement. The best bots use simple and intuitive language to communicate with users.
By using a conversational tone, bots can build trust with users and increase the chances of a successful interaction. This is especially important for customer support bots, which aim to resolve user issues efficiently.
Regular updates and maintenance are crucial for keeping bots effective. This includes updating the bot's knowledge base and ensuring it can adapt to changing user behavior.
Final Thoughts
Building an OTP system without relying on SMS is definitely possible, and Telegram bots are a great alternative.
I learned this the hard way, initially focusing too much on functionality without thinking about security and scalability.
After refining my approach, I now have a production-ready system that is efficient, secure, and user-friendly.
If you're considering building an OTP system without relying on SMS, Telegram bots are a fantastic option to consider.
Featured Images: pexels.com


