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Node.js Bot.sendVoice() Method

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The Bot.sendVoice() method is used in the Node.js Telegram Bot API. This Node.js module to interact with the official Telegram Bot API. This method is used to reply with Voice Message when the users interact with the Telegram BOT.


TelegramBot.sendVoice(chatId, Location)

Parameters: This method accepts two parameters as mentioned above and described below:

  • chatId: A chatId is a unique identifier for a chat, that can be either private, group, supergroup or channel whereas userId is a unique identifier for a user or bot only. Every Client’s Message contains chatId.
  • Location: Second Parameter is Location of your Voice Message.

Return Type: The return type of the function is void.

Installing Module: Install the module using the following command:

npm i telegram-bot-api

Steps to get the keys:

  1. First get the GET BOT_TOKEN from BOTFATHER in telegram. Just search for BOTFATHER in Telegram and select the verified one as shown below:
  2. Type /start and then click on /newbot as shown below:
  3. Now type the name of the bot and that must be unique.
  4. Now just copy the token From the BotFather. And for deleting the token simply search /delete token in BotFather.

Project structure:

Filename: bot.js

var token = 'Enter the token';
const TelegramBot = require('node-telegram-bot-api');
const bot = new TelegramBot(token, {polling: true});
// Matches "/echo [whatever]"
bot.onText(/\/echo(.+)/, (msg, match) => {
 // The 'msg' is the received Message from Telegram
 // and 'match' is the result of executing the regexp 
 // above on the text content of the message
 const chatId =;
 // The captured "whatever"
 const resp = match[1]; 
 // Send back the matched "whatever" to the chat
  bot.sendMessage(chatId, "Your Voice message is")
  bot.sendVoice(chatId, "new.mp3"); //Voice Message

Run bot.js file using the following command:

node bot.js


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Last Updated : 30 Sep, 2020
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