How to Create Your Own Bot on Telegram
1. Create a Bot via BotFather
- Open Telegram, search for @BotFather in the search bar, and locate the official bot BotFather.
- Start a chat, click
/start
, then send the command:/newbot
- Follow the prompts:
- Enter a bot name (display name, e.g., "Weather Assistant").
- Enter a bot username (must end with bot, e.g., WeatherHelperBot). If the username is taken, try another.
- After creation, BotFather will provide an API token (e.g.,
123456:ABC-DEF1234ghIkl-zyx57W2v1u123ew11
). Save this token (required for development).
2. Configure Basic Bot Settings (Optional)
- Set a profile picture: Send
/setuserpic
to BotFather and upload an image. - Set a description: Use
/setdescription
to add a bot bio. - Set commands: Use
/setcommands
to define user-visible commands (e.g.,/help
- Get assistance).
3. Test Basic Functionality
- Search for your bot's username (e.g., @WeatherHelperBot) in Telegram. Send
/start
or/help
to check if it responds (default bots have no functionality until coded).
4. Develop Bot Features
Choose a Programming Language and Library
- Recommended languages: Python, JavaScript, Node.js, etc.
- Popular libraries:
- Python: python-telegram-bot library (Documentation)
- JavaScript: node-telegram-bot-api library (GitHub)
- Other languages: Refer to the Telegram Bot API.
Sample Code (Python)
from telegram import Update
from telegram.ext import Updater, CommandHandler, CallbackContext
# Replace with your API token
TOKEN = "YOUR_API_TOKEN"
def start(update: Update, context: CallbackContext):
update.message.reply_text('Hello! I am your bot.')
def main():
updater = Updater(TOKEN)
dispatcher = updater.dispatcher
dispatcher.add_handler(CommandHandler("start", start))
updater.start_polling()
updater.idle()
if __name__ == '__main__':
main()
Run and Test
- Install the library:
pip install python-telegram-bot
- Run the code. Send
/start
to your bot, and it will reply with "Hello! I am your bot."
5. Deploy the Bot
- Local testing: Use
updater.start_polling()
to enable message polling (keep the program running). - Server deployment (production):
- Deploy code to a server (e.g., AWS, Heroku, VPS).
- Set up a WebHook to bind a domain/IP:
updater.start_webhook( listen='0.0.0.0', port=8443, url_path=TOKEN, webhook_url='https://yourdomain.com/' + TOKEN )
6. Add Advanced Features
- Message handling: Process text, images, files, etc.
- Interactive buttons: Use InlineKeyboardMarkup for inline buttons.
- Scheduled tasks: Send subscriptions or reminders.
- External APIs: Integrate services like weather queries or translation.
Important Notes
- Keep the API token confidential: Leaks may allow others to control your bot.
- Rate limits: Respect Telegram API rate limits to avoid bans.
- Privacy policy: Provide a privacy notice if your bot collects user data (use
/setprivacy
to configure privacy mode).
FAQs
- Q: What if the username is taken?
A: Try adding numbers or suffixes (e.g., NewsBot2023). - Q: The bot isn't responding?
A: Check if the code is running, verify the API token, or review server logs. - Q: How to make the bot send messages proactively?
A: The user must initiate a chat first (or mention via @username), or use Inline mode.