Telegram Mini Apps are a powerful feature in the Telegram platform that permit developers to develop seamless, interactive web applications that run inside the Telegram interface. These apps offer a smooth user experience and can range from games and productivity tools to e-commerce storefronts and booking systems.

In this short article, we’ll walk you through the whole process of how to create mini app in telegram on your own.

🧠 What Is a Telegram Mini App?

Telegram Mini Apps are lightweight web apps launched inside Telegram chats via inline buttons or through bot commands. They are built using web technologies (HTML, CSS, JavaScript) and connect to Telegram’s Bot API and Web Apps API.

These apps:

Run in Telegram’s built-in browser

Can access user data (with permission)

Integrate seamlessly with Telegram bots

Support payment and authorization flows

🛠️ Tools & Prerequisites

Before starting, you’ll need:

A Telegram account

A Telegram bot (via BotFather)

Basic website design knowledge (HTML, CSS, JS)

Hosting for the web app (e.g., Vercel, Netlify, or your own personal server)

Optional tools:

Node.js (for backend logic)

Web frameworks like React or Vue

📝 Step 1: Create a Telegram Bot

Open @BotFather on Telegram.

Use /newbot to produce a new bot.

Choose a name and a username for the bot.

Copy the API token provided — you’ll demand it to communicate with Telegram’s servers.

🌐 Step 2: Build the Web App

You may use plain HTML/CSS/JS or perhaps a frontend framework. Here’s a straightforward example using plain HTML:

html

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My Mini App

body font-family: sans-serif; padding: 20px; button padding: 10px;

Hello from Telegram Mini App!

Send Data

const tg = window.Telegram.WebApp; tg.expand(); // Makes the app take full screen function sendData() tg.sendData(“Hello Telegram!”);

Host this file using any static hosting provider.

⚙️ Step 3: Set Up Web App in Bot

Go returning to BotFather.

Use /setdomain to join up to your web app domain.

Use /setcommands to incorporate a command like /start or /open.

In your bot code, you’ll send a keyboard button using a web_app object:

Example in Node.js (using node-telegram-bot-api):

js

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const TelegramBot = require(‘node-telegram-bot-api’);

const token = ‘YOUR_BOT_TOKEN’;

const bot = new TelegramBot(token, polling: true );

bot.onText(/\/start/, (msg) =>

bot.sendMessage(msg.chat.id, “Open the mini app:”,

reply_markup:

keyboard: [[ text: “Open App”, web_app: url: “//yourdomain.com/app” ]],

resize_keyboard: true,

one_time_keyboard: true,

);

);

✅ Optional: Get User Data

In your frontend, you have access to Telegram user info via Telegram.WebApp.initDataUnsafe.

js

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console.log(Telegram.WebApp.initDataUnsafe.user);

Make certain to validate this data on your own backend using Telegram’s Web App Authorization.

💳 Bonus: Accept Payments

Telegram Mini Apps support payments via Telegram’s payment system.

Set up a payment provider via BotFather (/setpaymentoptions).

Use the Bot API’s sendInvoice strategy to create payment flows.

Payments are processed securely via Telegram with support for services like Stripe.

🧪 Testing Your Mini App

Use Telegram on mobile or desktop (not the net app).

Make sure your domain uses Hyper Text Transfer Protocol Secure.

Ensure your bot has access to web app features and commands.

🧩 Use Cases

Telegram Mini Apps can be used as:

E-commerce (stores, carts, checkouts)

Booking and reservations

Games and entertainment

Form submissions

Personal dashboards

Telegram Mini Apps bridge the gap between messaging and fully interactive applications. By combining the reach of Telegram bots with all the flexibility of internet technologies, developers can build powerful experiences within the chat interface.