How to Setup Telegram Otp bot | OTP BOT HACK

Introduction

This tutorial will guide you through the process of setting up a Telegram OTP bot using Flask, Twilio, and ngrok. You will learn how to create a bot that can generate and send one-time passwords (OTPs) securely to users. This setup is useful for implementing two-factor authentication and enhancing security for user accounts.

Step 1: Setting Up Your Environment

1. Install Necessary Tools
   Ensure you have the following installed on your machine:

   • Python (version 3.x)
   • Flask (web framework)
   • Twilio (for SMS services)
   • ngrok (for creating a tunnel to your localhost)

   You can install Flask and Twilio using pip:

   pip install Flask twilio
   

2. Create a Twilio Account

   • Sign up for a Twilio account at twilio.com.
   • Obtain your Twilio Account SID, Auth Token, and a Twilio phone number. You will need these for sending SMS.

3. Setup ngrok

   • Download and install ngrok from ngrok.com.
   • Sign up and get your auth token, then run the following command to authenticate:

   ngrok authtoken YOUR_AUTH_TOKEN
   

Step 2: Create the Flask Application

1. Initialize Flask App
   Create a new Python file (e.g., app.py) and set up your Flask application:

   from flask import Flask, request, jsonify
   from twilio.rest import Client
   import random
   
   app = Flask(__name__)
   

2. Configure Twilio Client
   Add your Twilio credentials to the app:

   account_sid = 'YOUR_TWILIO_ACCOUNT_SID'
   auth_token = 'YOUR_TWILIO_AUTH_TOKEN'
   twilio_number = 'YOUR_TWILIO_PHONE_NUMBER'
   client = Client(account_sid, auth_token)
   

3. Set Up OTP Generation
   Create a function to generate and send OTPs:

   def send_otp(phone_number):
       otp = random.randint(100000, 999999)  # Generate a 6-digit OTP
       message = client.messages.create(
           body=f"Your OTP is {otp}",
           from_=twilio_number,
           to=phone_number
       )
       return otp
   

Step 3: Create API Endpoints

1. Set Up an Endpoint for OTP Requests
   Define a route to request an OTP:

   @app.route('/request_otp', methods=['POST'])
   def request_otp():
       phone_number = request.json.get('phone_number')
       otp = send_otp(phone_number)
       return jsonify({'message': 'OTP sent', 'otp': otp})
   

2. Run the Flask Application
   Add the following code to run the app:

   if __name__ == '__main__':
       app.run(port=5000)
   

Step 4: Expose Your Local Server with ngrok

1. Start ngrok
   Open another terminal window and run:

   ngrok http 5000
   

   Note the forwarding URL provided by ngrok (e.g., http://abc123.ngrok.io).

2. Test Your Endpoint
   Use tools like Postman or curl to test your /request_otp endpoint:

   curl -X POST http://abc123.ngrok.io/request_otp -H "Content-Type: application/json" -d '{"phone_number": "+1234567890"}'
   

Conclusion

You have successfully set up a Telegram OTP bot using Flask, Twilio, and ngrok. Your bot can now generate and send OTPs via SMS. For next steps, consider integrating this bot with a Telegram bot for a more seamless user experience or enhancing security with additional verification measures.