How to Create a Telegram Bot: A Step-by-Step Guide for Beginners

Telegram bots have long ceased to be the exclusive domain of experienced developers. Today, you can create a simple bot in just a few hours even with minimal programming knowledge. However, for a bot to run stably around the clock — rather than only while your laptop is open — it needs to be deployed properly. This is exactly where a VPS server comes in.

Step 1. Registering a Bot via BotFather

Every Telegram bot starts with a conversation with the official BotFather bot. Find it in the Telegram search, enter the /newbot command, and follow the instructions: come up with a name and a unique username for your bot. BotFather will then issue you a token — a long string of characters that serves as the access key to your bot's API. Keep the token secret: anyone who obtains it will be able to control your bot.

Step 2. Choosing a Language and Library

Python is the most commonly used language for writing Telegram bots — it is easy to learn and has a rich ecosystem. The most popular libraries are python-telegram-bot and aiogram. The first is suitable for beginners thanks to its straightforward syntax, while the second is for those who want to build asynchronous, high-load bots. If you prefer JavaScript, take a look at the Telegraf library for Node.js.

Install your chosen library via a package manager: for Python, use the command pip install python-telegram-bot or pip install aiogram. Create a bot.py file, import the necessary modules, and paste the token you received from BotFather. At this stage, you can already write your first /start command handler, which will respond to users with a welcome message.

Step 3. Writing the Basic Bot Logic

The foundation of any bot is event handlers. You specify which command or message type to react to and describe the corresponding action. For example, the /help command can display a list of available features, while a plain text message can be echoed back or trigger a call to an external API. Gradually increase the complexity: add inline buttons, conversation states, and database integrations.

For data storage, SQLite is convenient at the early stage, while PostgreSQL is better suited as the load grows. Both options work perfectly on a VPS without any restrictions, unlike free cloud platforms where resources are strictly limited.

Step 4. Deploying the Bot to a VPS Server

Running a bot locally on your computer is easy, but this approach is not suitable for real-world use: as soon as you close the terminal, the bot stops working. The solution is to rent a VPS and move the bot there. On the server, the bot runs continuously, regardless of the state of your device. To do this, connect to the server via SSH, install Python and the required dependencies, and upload your project files.

To prevent the bot from stopping when you exit the SSH session, use a process manager such as systemd or supervisor. Create a unit file for systemd, specify the path to the script, and configure it to start automatically on server reboot. This takes no more than 10 minutes, yet the bot will run stably 24 hours a day. You can rent a suitable VPS for tasks like this from NodexGo — simply choose a configuration with the required amount of RAM and install Ubuntu or Debian.

Polling or Webhook: Which to Choose

There are two modes for receiving updates from Telegram: polling and webhook. With polling, the bot periodically queries Telegram's servers for new messages. This is simpler to set up and works well for development and small bots. With a webhook, Telegram itself sends updates to your server the moment they arrive. This mode is more resource-efficient and is recommended for production.

To set up a webhook, you will need a domain with an SSL certificate. On a VPS, this is implemented using Nginx as a reverse proxy and a free certificate from Let's Encrypt. The setup takes about half an hour and significantly improves the bot's responsiveness under high load.

Security and Scaling Tips

Never store your token and other secrets directly in the code. Use environment variables or a .env file, adding it to .gitignore. Restrict SSH access to the server using keys instead of passwords, and configure a firewall by closing all ports except the necessary ones. If the bot is intended to be public and popular, plan for horizontal scaling in advance: multiple workers, a task queue via Redis, and an external database.

As your audience grows, it is easy to upgrade to a more powerful server configuration — most providers, including NodexGo, allow you to upgrade your plan without migrating data or experiencing lengthy downtime.

Conclusion

Creating a Telegram bot from scratch in a single evening is entirely achievable: register the bot via BotFather, write the basic logic in Python, deploy the project to a VPS, and configure autostart. The key is not to keep the bot on a local machine, but to provide it with a reliable execution environment. If you are looking for a stable and affordable VPS for your project, consider NodexGo: choose a suitable configuration, rent a server, and launch a bot that will run without interruption.