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Telegram bots aren’t as mysterious as they sound. In fact, with just a bit of Python and a clear set of steps, you can make your own bot from scratch—even if you’ve never touched the Telegram API before. These bots can respond to messages, deliver updates, run commands, or even just send memes when you're feeling bored. So, if you're curious to see how it all works, this is exactly where you want to be.
Before we write a single line of code, we need Telegram’s blessing—aka a bot token. That starts with talking to a bot named @BotFather. And no, you don’t need to install anything yet.
And that’s it for the first phase. You now officially own a Telegram bot.
Now we get into the fun part—writing code. If you don’t have Python installed, just grab the latest version from python.org. Once that’s done, you’ll also need a package that makes interacting with Telegram easier.
We’re going to use python-telegram-bot, a clean and beginner-friendly library.
Open your terminal or command prompt and run:
bash
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pip install python-telegram-bot
This gives you everything you need to get started. No long setup. No overwhelming list of dependencies. Just one simple install, and you're in business.
Now that you've got the token and the package installed, it's time to write the actual bot. Start with a basic script—one that replies when someone sends a message.
Create a new Python file, say my_telegram_bot.py, and paste in this code:
python
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from telegram.ext import ApplicationBuilder, CommandHandler, MessageHandler, filters
# Replace 'YOUR_TOKEN_HERE' with your actual bot token
BOT_TOKEN = 'YOUR_TOKEN_HERE'
async def start(update, context):
await update.message.reply_text('Hello! I\'m your bot, ready to serve.')
async def echo(update, context):
user_text = update.message.text
await update.message.reply_text(f'You said: {user_text}')
def main():
app = ApplicationBuilder().token(BOT_TOKEN).build()
app.add_handler(CommandHandler('start', start))
app.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, echo))
app.run_polling()
if __name__ == '__main__':
main()
Here's what this script does:
Simple? Absolutely. But powerful enough to build on later.
Once your bot is live, you can start making it do more than just parrot what people say. You could add custom commands, reply with stickers, or even call APIs to get real-time data.
Let’s say you want to add a command that gives the current time. Here’s how you’d do it:
python
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import datetime
async def time_now(update, context):
now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
await update.message.reply_text(f'Current time is: {now}')
Then, register this new command just like the /start one:
python
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app.add_handler(CommandHandler('time', time_now))
Or, maybe you want your bot to throw in a bit of humor. Here’s a quick addition:
python
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import random
jokes = [
"Why did the programmer quit his job? Because he didn't get arrays.",
"Why do Java developers wear glasses? Because they can’t C#.",
"I told my computer I needed a break, and it said, 'No problem, I'll go to sleep.'"
]
async def joke(update, context):
await update.message.reply_text(random.choice(jokes))
app.add_handler(CommandHandler('joke', joke))
Now whenever someone sends /joke, they'll get a random tech joke, which might just make debugging a little less painful.
Even simple bots run into issues—invalid inputs, dropped connections, or unhandled commands. If you're not catching those, your script might crash unexpectedly. A better approach is to anticipate those hiccups and handle them quietly in the background.
To log and deal with errors, you can add an error handler like this:
python
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import logging
from telegram.error import TelegramError
logging.basicConfig(
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
level=logging.INFO
)
async def error_handler(update, context):
logging.error(msg="Exception while handling an update:", exc_info=context.error)
app.add_error_handler(error_handler)
This setup doesn't just keep your bot alive during unexpected failures—it also helps you figure out what went wrong by recording full error details. Once you’ve got logging in place, debugging becomes way less frustrating, especially as your bot grows.
Running your bot locally is fine for testing, but it shuts down the moment you close your laptop. If you want your bot available 24/7, you’ll need to host it somewhere reliable.
One of the easiest options is to use PythonAnywhere or Render. Both offer simple web-based environments where you can upload your code and run it without keeping your device on.
Here's the general idea:
For more control or larger bots, you might consider VPS hosting with services like Linode or DigitalOcean. Either way, hosting keeps your bot responsive and active for your users around the clock.
Telegram bots don’t require rocket science or massive frameworks. With a token, a few lines of Python, and a little time, you can build one that suits your needs exactly. Whether it’s for fun, utility, or simply curiosity, the whole thing is approachable and clean. You’re not wading through bloated configs or messy dependencies—just writing scripts that work.
The best part? You now know how to go from zero to a functioning Telegram bot without any unnecessary complexity. Keep that token safe, keep your scripts organized, and feel free to keep adding new features as you go. You started this with nothing more than a Telegram app and an idea. And now? You’ve got a bot, responding in real time, built entirely with your own code. That’s a win.
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