GitHub - tengotengo/node-telegram-bot-api: Telegram Bot API for NodeJS

![https://telegram.me/node_telegram_bot_api](https://img.shields.io/badge/💬 Telegram-node__telegram__bot__api-blue.svg) ![https://telegram.me/Yago_Perez](https://img.shields.io/badge/💬 Telegram-Yago__Perez-blue.svg)

Node.js module to interact with official Telegram Bot API. A bot token is needed, to obtain one, talk to @botfather and create a new bot.

npm install node-telegram-bot-api

var TelegramBot = require('node-telegram-bot-api');

var token = 'YOUR_TELEGRAM_BOT_TOKEN';
// Setup polling way
var bot = new TelegramBot(token, {polling: true});

// Matches /echo [whatever]
bot.onText(/\/echo (.+)/, function (msg, match) {
  var fromId = msg.from.id;
  var resp = match[1];
  bot.sendMessage(fromId, resp);
});

// Any kind of message
bot.on('message', function (msg) {
  var chatId = msg.chat.id;
  // photo can be: a file path, a stream or a Telegram file_id
  var photo = 'cats.png';
  bot.sendPhoto(chatId, photo, {caption: 'Lovely kittens'});
});

There are some other examples on examples.

Events

Every time TelegramBot receives a message, it emits a message. Depending on which message was received, emits an event from this ones: text, audio, document, photo, sticker, video, voice, contact, location, new_chat_participant, left_chat_participant, new_chat_title, new_chat_photo, delete_chat_photo, group_chat_created. Its much better to listen a specific event rather than a message in order to stay safe from the content. TelegramBot emits inline_query when receives an Inline Query and chosen_inline_result when receives a ChosenInlineResult. Bot must be enabled on inline mode

WebHooks

Telegram only supports HTTPS connections to WebHooks, in order to set a WebHook a private key file and public certificate must be used. Since August 29, 2015 Telegram supports self signed ones, to generate them:

# Our private cert will be key.pem, keep in private this file.
openssl genrsa -out key.pem 2048
# Our public certificate will be crt.pem
openssl req -new -sha256 -key key.pem -out crt.pem

Once they are generated, the crt.pem can be provided to telegramBot.setWebHook(url, crt) as crt.

API Reference

TelegramBot

Kind: global class
See: https://core.telegram.org/bots/api

TelegramBot
- new TelegramBot(token, [options])
- .getMe() ⇒ Promise
- .setWebHook(url, [cert])
- .getUpdates([timeout], [limit], [offset]) ⇒ Promise
- .sendMessage(chatId, text, [options]) ⇒ Promise
- .answerInlineQuery(inlineQueryId, results, [options]) ⇒ Promise
- .forwardMessage(chatId, fromChatId, messageId) ⇒ Promise
- .sendPhoto(chatId, photo, [options]) ⇒ Promise
- .sendAudio(chatId, audio, [options]) ⇒ Promise
- .sendDocument(chatId, doc, [options], [fileOpts]) ⇒ Promise
- .sendSticker(chatId, sticker, [options]) ⇒ Promise
- .sendVideo(chatId, video, [options]) ⇒ Promise
- .sendVoice(chatId, voice, [options]) ⇒ Promise
- .sendChatAction(chatId, action) ⇒ Promise
- .kickChatMember(chatId, userId) ⇒ Promise
- .unbanChatMember(chatId, userId) ⇒ Promise
- .answerCallbackQuery(callbackQueryId, text, showAlert, [options]) ⇒ Promise
- .editMessageText(text, [options]) ⇒ Promise
- .editMessageCaption(caption, [options]) ⇒ Promise
- .editMessageReplyMarkup(replyMarkup, [options]) ⇒ Promise
- .getUserProfilePhotos(userId, [offset], [limit]) ⇒ Promise
- .sendLocation(chatId, latitude, longitude, [options]) ⇒ Promise
- .getFile(fileId) ⇒ Promise
- .getFileLink(fileId) ⇒ Promise
- .downloadFile(fileId, downloadDir) ⇒ Promise
- .onText(regexp, callback)
- .onReplyToMessage(chatId, messageId, callback)

new TelegramBot(token, [options])

Both request method to obtain messages are implemented. To use standard polling, set polling: true on options. Notice that webHook will need a SSL certificate. Emits message when a message arrives.

Param	Type	Default	Description
token	`String`		Bot Token
[options]	`Object`
[options.polling]	`Boolean` \| `Object`	`false`	Set true to enable polling or set options
[options.polling.timeout]	`String` \| `Number`	`10`	Polling time in seconds
[options.polling.interval]	`String` \| `Number`	`2000`	Interval between requests in miliseconds
[options.webHook]	`Boolean` \| `Object`	`false`	Set true to enable WebHook or set options
[options.webHook.key]	`String`		PEM private key to webHook server.
[options.webHook.cert]	`String`		PEM certificate (public) to webHook server.

telegramBot.getMe() ⇒ `Promise`

Returns basic information about the bot in form of a User object.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#getme

telegramBot.setWebHook(url, [cert])

Specify an url to receive incoming updates via an outgoing webHook.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#setwebhook

Param	Type	Description
url	`String`	URL where Telegram will make HTTP Post. Leave empty to delete webHook.
[cert]	`String` \| `stream.Stream`	PEM certificate key (public).

telegramBot.getUpdates([timeout], [limit], [offset]) ⇒ `Promise`

Use this method to receive incoming updates using long polling

Kind: instance method of TelegramBot
Returns: Promise - Updates
See: https://core.telegram.org/bots/api#getupdates

Param	Type	Description
[timeout]	`Number` \| `String`	Timeout in seconds for long polling.
[limit]	`Number` \| `String`	Limits the number of updates to be retrieved.
[offset]	`Number` \| `String`	Identifier of the first update to be returned.

telegramBot.sendMessage(chatId, text, [options]) ⇒ `Promise`

Send text message.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendmessage

Param	Type	Description
chatId	`Number` \| `String`	Unique identifier for the message recipient
text	`String`	Text of the message to be sent
[options]	`Object`	Additional Telegram query options

telegramBot.answerInlineQuery(inlineQueryId, results, [options]) ⇒ `Promise`

Send answers to an inline query.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#answerinlinequery

Param	Type	Description
inlineQueryId	`String`	Unique identifier of the query
results	`Array.<InlineQueryResult>`	An array of results for the inline query
[options]	`Object`	Additional Telegram query options

telegramBot.forwardMessage(chatId, fromChatId, messageId) ⇒ `Promise`

Forward messages of any kind.

Kind: instance method of TelegramBot

Param	Type	Description
chatId	`Number` \| `String`	Unique identifier for the message recipient
fromChatId	`Number` \| `String`	Unique identifier for the chat where the original message was sent
messageId	`Number` \| `String`	Unique message identifier

telegramBot.sendPhoto(chatId, photo, [options]) ⇒ `Promise`

Send photo

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendphoto

Param	Type	Description
chatId	`Number` \| `String`	Unique identifier for the message recipient
photo	`String` \| `stream.Stream` \| `Buffer`	A file path or a Stream. Can also be a `file_id` previously uploaded
[options]	`Object`	Additional Telegram query options

telegramBot.sendAudio(chatId, audio, [options]) ⇒ `Promise`

Send audio

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendaudio

Param	Type	Description
chatId	`Number` \| `String`	Unique identifier for the message recipient
audio	`String` \| `stream.Stream` \| `Buffer`	A file path, Stream or Buffer. Can also be a `file_id` previously uploaded.
[options]	`Object`	Additional Telegram query options

telegramBot.sendDocument(chatId, doc, [options], [fileOpts]) ⇒ `Promise`

Send Document

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendDocument

Param	Type	Description
chatId	`Number` \| `String`	Unique identifier for the message recipient
doc	`String` \| `stream.Stream` \| `Buffer`	A file path, Stream or Buffer. Can also be a `file_id` previously uploaded.
[options]	`Object`	Additional Telegram query options
[fileOpts]	`Object`	Optional file related meta-data

telegramBot.sendSticker(chatId, sticker, [options]) ⇒ `Promise`

Send .webp stickers.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendsticker

Param	Type	Description
chatId	`Number` \| `String`	Unique identifier for the message recipient
sticker	`String` \| `stream.Stream` \| `Buffer`	A file path, Stream or Buffer. Can also be a `file_id` previously uploaded. Stickers are WebP format files.
[options]	`Object`	Additional Telegram query options

telegramBot.sendVideo(chatId, video, [options]) ⇒ `Promise`

Use this method to send video files, Telegram clients support mp4 videos (other formats may be sent as Document).

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendvideo

Param	Type	Description
chatId	`Number` \| `String`	Unique identifier for the message recipient
video	`String` \| `stream.Stream` \| `Buffer`	A file path or Stream. Can also be a `file_id` previously uploaded.
[options]	`Object`	Additional Telegram query options

telegramBot.sendVoice(chatId, voice, [options]) ⇒ `Promise`

Send voice

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendvoice

Param	Type	Description
chatId	`Number` \| `String`	Unique identifier for the message recipient
voice	`String` \| `stream.Stream` \| `Buffer`	A file path, Stream or Buffer. Can also be a `file_id` previously uploaded.
[options]	`Object`	Additional Telegram query options

telegramBot.sendChatAction(chatId, action) ⇒ `Promise`

Send chat action. typing for text messages, upload_photo for photos, record_video or upload_video for videos, record_audio or upload_audio for audio files, upload_document for general files, find_location for location data.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendchataction

Param	Type	Description
chatId	`Number` \| `String`	Unique identifier for the message recipient
action	`String`	Type of action to broadcast.

telegramBot.kickChatMember(chatId, userId) ⇒ `Promise`

Use this method to kick a user from a group or a supergroup. In the case of supergroups, the user will not be able to return to the group on their own using invite links, etc., unless unbanned first. The bot must be an administrator in the group for this to work. Returns True on success.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#kickchatmember

Param	Type	Description
chatId	`Number` \| `String`	Unique identifier for the target group or username of the target supergroup
userId	`String`	Unique identifier of the target user

telegramBot.unbanChatMember(chatId, userId) ⇒ `Promise`

Use this method to unban a previously kicked user in a supergroup. The user will not return to the group automatically, but will be able to join via link, etc. The bot must be an administrator in the group for this to work. Returns True on success.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#unbanchatmember

Param	Type	Description
chatId	`Number` \| `String`	Unique identifier for the target group or username of the target supergroup
userId	`String`	Unique identifier of the target user

telegramBot.answerCallbackQuery(callbackQueryId, text, showAlert, [options]) ⇒ `Promise`

Use this method to send answers to callback queries sent from inline keyboards. The answer will be displayed to the user as a notification at the top of the chat screen or as an alert. On success, True is returned.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#answercallbackquery

Param	Type	Description
callbackQueryId	`Number` \| `String`	Unique identifier for the query to be answered
text	`String`	Text of the notification. If not specified, nothing will be shown to the user
showAlert	`Boolean`	Whether to show an alert or a notification at the top of the screen
[options]	`Object`	Additional Telegram query options

telegramBot.editMessageText(text, [options]) ⇒ `Promise`

Use this method to edit text messages sent by the bot or via the bot (for inline bots). On success, the edited Message is returned.

Note that you must provide one of chat_id, message_id, or inline_message_id in your request.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#editmessagetext

Param	Type	Description
text	`String`	New text of the message
[options]	`Object`	Additional Telegram query options (provide either one of chat_id, message_id, or inline_message_id here)

telegramBot.editMessageCaption(caption, [options]) ⇒ `Promise`

Use this method to edit captions of messages sent by the bot or via the bot (for inline bots). On success, the edited Message is returned.

Note that you must provide one of chat_id, message_id, or inline_message_id in your request.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#editmessagetext

Param	Type	Description
caption	`String`	New caption of the message
[options]	`Object`	Additional Telegram query options (provide either one of chat_id, message_id, or inline_message_id here)

telegramBot.editMessageReplyMarkup(replyMarkup, [options]) ⇒ `Promise`

Use this method to edit only the reply markup of messages sent by the bot or via the bot (for inline bots). On success, the edited Message is returned.

Note that you must provide one of chat_id, message_id, or inline_message_id in your request.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#editmessagetext

Param	Type	Description
replyMarkup	`Object`	A JSON-serialized object for an inline keyboard.
[options]	`Object`	Additional Telegram query options (provide either one of chat_id, message_id, or inline_message_id here)

telegramBot.getUserProfilePhotos(userId, [offset], [limit]) ⇒ `Promise`

Use this method to get a list of profile pictures for a user. Returns a UserProfilePhotos object.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#getuserprofilephotos

Param	Type	Description
userId	`Number` \| `String`	Unique identifier of the target user
[offset]	`Number`	Sequential number of the first photo to be returned. By default, all photos are returned.
[limit]	`Number`	Limits the number of photos to be retrieved. Values between 1—100 are accepted. Defaults to 100.

telegramBot.sendLocation(chatId, latitude, longitude, [options]) ⇒ `Promise`

Send location. Use this method to send point on the map.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#sendlocation

Param	Type	Description
chatId	`Number` \| `String`	Unique identifier for the message recipient
latitude	`Float`	Latitude of location
longitude	`Float`	Longitude of location
[options]	`Object`	Additional Telegram query options

telegramBot.getFile(fileId) ⇒ `Promise`

Get file. Use this method to get basic info about a file and prepare it for downloading. Attention: link will be valid for 1 hour.

Kind: instance method of TelegramBot
See: https://core.telegram.org/bots/api#getfile

Param	Type	Description
fileId	`String`	File identifier to get info about

telegramBot.getFileLink(fileId) ⇒ `Promise`

Get link for file. Use this method to get link for file for subsequent use. Attention: link will be valid for 1 hour.

This method is a sugar extension of the (getFile)[#getfilefileid] method, which returns just path to file on remote server (you will have to manually build full uri after that).

Kind: instance method of TelegramBot
Returns: Promise - promise Promise which will have fileURI in resolve callback
See: https://core.telegram.org/bots/api#getfile

Param	Type	Description
fileId	`String`	File identifier to get info about

telegramBot.downloadFile(fileId, downloadDir) ⇒ `Promise`

Downloads file in the specified folder. This is just a sugar for (getFile)[#getfilefiled] method

Kind: instance method of TelegramBot
Returns: Promise - promise Promise, which will have filePath of downloaded file in resolve callback

Param	Type	Description
fileId	`String`	File identifier to get info about
downloadDir	`String`	Absolute path to the folder in which file will be saved

telegramBot.onText(regexp, callback)

Register a RegExp to test against an incomming text message.

Kind: instance method of TelegramBot

Param	Type	Description
regexp	`RegExp`	RegExp to be executed with `exec`.
callback	`function`	Callback will be called with 2 parameters, the `msg` and the result of executing `regexp.exec` on message text.

telegramBot.onReplyToMessage(chatId, messageId, callback)

Register a reply to wait for a message response.

Kind: instance method of TelegramBot

Param	Type	Description
chatId	`Number` \| `String`	The chat id where the message cames from.
messageId	`Number` \| `String`	The message id to be replied.
callback	`function`	Callback will be called with the reply message.

Name		Name	Last commit message	Last commit date
Latest commit History 268 Commits
examples		examples
src		src
test		test
.babelrc		.babelrc
.editorconfig		.editorconfig
.eslintignore		.eslintignore
.eslintrc		.eslintrc
.gitignore		.gitignore
.npmignore		.npmignore
.travis.yml		.travis.yml
LICENSE.md		LICENSE.md
README.hbs		README.hbs
README.md		README.md
index.js		index.js
package.json		package.json

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Events

WebHooks

API Reference

TelegramBot

new TelegramBot(token, [options])

telegramBot.getMe() ⇒ `Promise`

telegramBot.setWebHook(url, [cert])

telegramBot.getUpdates([timeout], [limit], [offset]) ⇒ `Promise`

telegramBot.sendMessage(chatId, text, [options]) ⇒ `Promise`

telegramBot.answerInlineQuery(inlineQueryId, results, [options]) ⇒ `Promise`

telegramBot.forwardMessage(chatId, fromChatId, messageId) ⇒ `Promise`

telegramBot.sendPhoto(chatId, photo, [options]) ⇒ `Promise`

telegramBot.sendAudio(chatId, audio, [options]) ⇒ `Promise`

telegramBot.sendDocument(chatId, doc, [options], [fileOpts]) ⇒ `Promise`

telegramBot.sendSticker(chatId, sticker, [options]) ⇒ `Promise`

telegramBot.sendVideo(chatId, video, [options]) ⇒ `Promise`

telegramBot.sendVoice(chatId, voice, [options]) ⇒ `Promise`

telegramBot.sendChatAction(chatId, action) ⇒ `Promise`

telegramBot.kickChatMember(chatId, userId) ⇒ `Promise`

telegramBot.unbanChatMember(chatId, userId) ⇒ `Promise`

telegramBot.answerCallbackQuery(callbackQueryId, text, showAlert, [options]) ⇒ `Promise`

telegramBot.editMessageText(text, [options]) ⇒ `Promise`

telegramBot.editMessageCaption(caption, [options]) ⇒ `Promise`

telegramBot.editMessageReplyMarkup(replyMarkup, [options]) ⇒ `Promise`

telegramBot.getUserProfilePhotos(userId, [offset], [limit]) ⇒ `Promise`

telegramBot.sendLocation(chatId, latitude, longitude, [options]) ⇒ `Promise`

telegramBot.getFile(fileId) ⇒ `Promise`

telegramBot.getFileLink(fileId) ⇒ `Promise`

telegramBot.downloadFile(fileId, downloadDir) ⇒ `Promise`

telegramBot.onText(regexp, callback)

telegramBot.onReplyToMessage(chatId, messageId, callback)

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Events

WebHooks

API Reference

TelegramBot

new TelegramBot(token, [options])

telegramBot.getMe() ⇒ Promise

telegramBot.setWebHook(url, [cert])

telegramBot.getUpdates([timeout], [limit], [offset]) ⇒ Promise

telegramBot.sendMessage(chatId, text, [options]) ⇒ Promise

telegramBot.answerInlineQuery(inlineQueryId, results, [options]) ⇒ Promise

telegramBot.forwardMessage(chatId, fromChatId, messageId) ⇒ Promise

telegramBot.sendPhoto(chatId, photo, [options]) ⇒ Promise

telegramBot.sendAudio(chatId, audio, [options]) ⇒ Promise

telegramBot.sendDocument(chatId, doc, [options], [fileOpts]) ⇒ Promise

telegramBot.sendSticker(chatId, sticker, [options]) ⇒ Promise

telegramBot.sendVideo(chatId, video, [options]) ⇒ Promise

telegramBot.sendVoice(chatId, voice, [options]) ⇒ Promise

telegramBot.sendChatAction(chatId, action) ⇒ Promise

telegramBot.kickChatMember(chatId, userId) ⇒ Promise

telegramBot.unbanChatMember(chatId, userId) ⇒ Promise

telegramBot.answerCallbackQuery(callbackQueryId, text, showAlert, [options]) ⇒ Promise

telegramBot.editMessageText(text, [options]) ⇒ Promise

telegramBot.editMessageCaption(caption, [options]) ⇒ Promise

telegramBot.editMessageReplyMarkup(replyMarkup, [options]) ⇒ Promise

telegramBot.getUserProfilePhotos(userId, [offset], [limit]) ⇒ Promise

telegramBot.sendLocation(chatId, latitude, longitude, [options]) ⇒ Promise

telegramBot.getFile(fileId) ⇒ Promise

telegramBot.getFileLink(fileId) ⇒ Promise

telegramBot.downloadFile(fileId, downloadDir) ⇒ Promise

telegramBot.onText(regexp, callback)

telegramBot.onReplyToMessage(chatId, messageId, callback)

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telegramBot.getMe() ⇒ `Promise`

telegramBot.getUpdates([timeout], [limit], [offset]) ⇒ `Promise`

telegramBot.sendMessage(chatId, text, [options]) ⇒ `Promise`

telegramBot.answerInlineQuery(inlineQueryId, results, [options]) ⇒ `Promise`

telegramBot.forwardMessage(chatId, fromChatId, messageId) ⇒ `Promise`

telegramBot.sendPhoto(chatId, photo, [options]) ⇒ `Promise`

telegramBot.sendAudio(chatId, audio, [options]) ⇒ `Promise`

telegramBot.sendDocument(chatId, doc, [options], [fileOpts]) ⇒ `Promise`

telegramBot.sendSticker(chatId, sticker, [options]) ⇒ `Promise`

telegramBot.sendVideo(chatId, video, [options]) ⇒ `Promise`

telegramBot.sendVoice(chatId, voice, [options]) ⇒ `Promise`

telegramBot.sendChatAction(chatId, action) ⇒ `Promise`

telegramBot.kickChatMember(chatId, userId) ⇒ `Promise`

telegramBot.unbanChatMember(chatId, userId) ⇒ `Promise`

telegramBot.answerCallbackQuery(callbackQueryId, text, showAlert, [options]) ⇒ `Promise`

telegramBot.editMessageText(text, [options]) ⇒ `Promise`

telegramBot.editMessageCaption(caption, [options]) ⇒ `Promise`

telegramBot.editMessageReplyMarkup(replyMarkup, [options]) ⇒ `Promise`

telegramBot.getUserProfilePhotos(userId, [offset], [limit]) ⇒ `Promise`

telegramBot.sendLocation(chatId, latitude, longitude, [options]) ⇒ `Promise`

telegramBot.getFile(fileId) ⇒ `Promise`

telegramBot.getFileLink(fileId) ⇒ `Promise`

telegramBot.downloadFile(fileId, downloadDir) ⇒ `Promise`

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