How to make OTP TO MOBILE bot | Telegram BOT | Coding tutorial | Bots.business

Introduction

This tutorial will guide you through creating a mobile OTP bot using Telegram. With this bot, you can automate the process of sending One-Time Passwords (OTPs) to mobile numbers. This can be particularly useful for developers and businesses looking to enhance their security features or streamline user authentication processes.

Step 1: Create a Telegram Bot

1. Open the Telegram app and search for the BotFather.
2. Start a chat with BotFather and type /newbot to create a new bot.
3. Follow the prompts to:
   • Name your bot.
   • Choose a unique username for your bot that ends with "bot" (e.g., MyOTPBot).
4. Once created, BotFather will provide you with a token. Save this token; you'll need it for your bot's API requests.

Step 2: Set Up Your Coding Environment

1. Choose a programming language you are comfortable with. This tutorial will use Python.
2. Install the required libraries. You can use the following command in your terminal:

   pip install python-telegram-bot requests
   

3. Create a new Python file (e.g., otp_bot.py).

Step 3: Write the Bot Code

1. Import the necessary libraries in your Python file:

   from telegram import Update
   from telegram.ext import Updater, CommandHandler, CallbackContext
   import requests
   

2. Define your bot's command to handle OTP requests:

   def send_otp(update: Update, context: CallbackContext):
       phone_number = context.args[0]  # Get the phone number from command arguments
       api_url = "https://www.fast2sms.com/dev/bulk"
       # Your Fast2SMS API key goes here
       api_key = "YOUR_API_KEY"
       
       params = {
           'sender_id': 'FSTSMS',
           'message': 'Your OTP is 123456',  # Generate a dynamic OTP in a real application
           'language': 'english',
           'route': 'p',
           'numbers': phone_number,
           'apikey': api_key
       }
   
       response = requests.get(api_url, params=params)
       update.message.reply_text("OTP sent successfully!" if response.status_code == 200 else "Failed to send OTP.")
   

3. Set up the bot's main function:

   def main():
       updater = Updater("YOUR_BOT_TOKEN", use_context=True)
       updater.dispatcher.add_handler(CommandHandler("sendotp", send_otp))
       updater.start_polling()
       updater.idle()
   

4. Call the main function to run the bot:

   if __name__ == '__main__':
       main()
   

Step 4: Replace API Key and Token

1. Replace YOUR_API_KEY with your actual Fast2SMS API key.
2. Replace YOUR_BOT_TOKEN with the token you received from BotFather.

Step 5: Run Your Bot

1. Execute your Python script:

   python otp_bot.py
   

2. Open Telegram and search for your bot.
3. Use the command /sendotp <phone_number> to test the bot, replacing <phone_number> with a valid number.

Conclusion

You have successfully created a Telegram bot that sends OTPs to mobile numbers. Remember to keep your API key secure and test your bot thoroughly. As a next step, consider implementing dynamic OTP generation and enhancing error handling for a more robust application. For any issues, you can reach out to the community or seek help from the provided contact links.