Bots are special Telegram accounts designed to handle messages automatically. Users can interact with bots by sending them command messages in private or group chats. These accounts serve as an interface for code running somewhere on your server.

Features

• Full Telegram Bot API support
• HTML5 Games
• Inline mode
• Incredibly fast
• AWS λ/now/dokku/Heroku ready
• http/https/Connect.js/express.js compatible webhooks
• Easy to extend

Installation

$ npm install telegraf --save

Telegram token

To use the Telegram Bot API, you first have to get a bot account by chatting with BotFather.

BotFather will give you a token, something like 123456789:AbCdfGhIJKlmNoQQRsTUVwxyZ. With the token in hand, you can start developing your bot.

Documentation

Telegraf developer docs

Example

const Telegraf = require('telegraf')

const app = new Telegraf(process.env.BOT_TOKEN)

app.command('start', (ctx) => {
  console.log('start', ctx.from)
  ctx.reply('Welcome!')
})

app.hears('hi', (ctx) => ctx.reply('Hey there!'))

app.on('sticker', (ctx) => ctx.reply('👍'))

app.startPolling()

There's some cool examples.