node-telegram-bot-api

import TelegramBot from 'node-telegram-bot-api'; // Replace with your Telegram bot token obtained from @BotFather const token = process.env.TELEGRAM_BOT_TOKEN ?? 'YOUR_TELEGRAM_BOT_TOKEN'; if (token === 'YOUR_TELEGRAM_BOT_TOKEN') { console.warn('WARNING: Replace YOUR_TELEGRAM_BOT_TOKEN with your actual bot token from @BotFather. You should use environment variables in production.'); } // Create a bot instance using 'polling' for updates (suitable for development) const bot = new TelegramBot(token, { polling: true }); // Matches "/echo [whatever]" and sends it back bot.onText(/\/echo (.+)/, (msg, match) => { const chatId = msg.chat.id; const resp = match[1]; // The captured "whatever" bot.sendMessage(chatId, resp); console.log(`Echoed '${resp}' to chat ${chatId}`); }); // Listen for any kind of message and acknowledge it bot.on('message', (msg) => { const chatId = msg.chat.id; bot.sendMessage(chatId, 'Received your message!'); console.log(`Received message from chat ${chatId}: ${msg.text}`); }); console.log('Bot is running and listening for messages...');