Init Data

The 💠component responsible for the Telegram Mini Apps init data.

Restoring

To restore the component state, use the restore method.

Variable

import { initData } from '@telegram-apps/sdk';

initData.restore();

Functions

import { restoreInitData } from '@telegram-apps/sdk';

restoreInitData();

Parsing

To parse the value as init data, use the parseInitData function.

import { parseInitData } from '@telegram-apps/sdk';

const initData = parseInitData('auth_date=123&query_id=anQQ231vs&...');
// {
//   user: {
//     id: 99281932,
//     firstName: 'Andrew',
//     lastName: 'Rogue',
//     username: 'rogue',
//     languageCode: 'en',
//     isPremium: true,
//     allowsWriteToPm: true,
//   },
//   hash: 'abcedef123',
//   authDate: Date(1716922846000),
//   startParam: 'debug',
//   chatType: 'sender',
//   chatInstance: '8428209589180549439',
// };

The function returns the init data object with deeply camel-cased properties.

Signals

This section provides a complete list of signals related to the init data.

authDate

Return type: Date | undefined

The date the initialization data was created.

Variable

initData.authDate(); // Date(1727368894000)

Functions

import { initDataAuthDate } from '@telegram-apps/sdk';

initDataAuthDate(); // Date(1727368894000)

canSendAfter

Return type: number | undefined

The number of seconds after which a message can be sent via the method answerWebAppQuery.

Variable

initData.canSendAfter(); // 3600

Functions

import { initDataCanSendAfter } from '@telegram-apps/sdk';

initDataAuthDate(); // 3600

canSendAfterDate

Return type: Date | undefined

canSendAfter but as a Date.

Variable

initData.canSendAfterDate(); // Date(1727368897600)

Functions

import { initDataCanSendAfterDate } from '@telegram-apps/sdk';

initDataCanSendAfterDate(); // Date(1727368897600)

chat

Return type: undefined or Chat with camel-cased properties.

An object containing data about the chat where the bot was launched via the attachment menu.

NOTE

Returned for supergroups, channels and group chats – only for Mini Apps launched via the attachment menu.

Variable

initData.chat();
// {
//   id: 7728725378876215,
//   type: 'group',
//   title: '@BotFather',
//   photoUrl: 'https://example.com/image.png',
//   username: 'botfather'
// }

Functions

import { initDataChat } from '@telegram-apps/sdk';

initDataChat();
// {
//   id: 7728725378876215,
//   type: 'group',
//   title: '@BotFather',
//   photoUrl: 'https://example.com/image.png',
//   username: 'botfather'
// }

chatType

Return type: string | undefined

The type of chat from which the Mini Apps was opened. Values:

• sender
• private
• group
• supergroup
• channel

NOTE

Returned only for applications opened by direct link.

Variable

initData.chatType(); // 'group'

Functions

import { initDataChatType } from '@telegram-apps/sdk';

initDataChatType(); // 'group'

chatInstance

Return type: string | undefined

A global identifier indicating the chat from which the Mini Apps was opened.

WARNING

Returned only for applications opened by direct link.

Variable

initData.chatInstance(); // 'group'

Functions

import { initDataChatInstance } from '@telegram-apps/sdk';

initDataChatInstance(); // '899667289674387257'

hash

Return type: string | undefined

Initialization data signature.

Variable

initData.hash(); // 'group'

Functions

import { initDataHash } from '@telegram-apps/sdk';

initDataHash(); // 'sgbbc62g3bvdhg3djsaasd'

queryId

Return type: string | undefined

The unique session ID of the Mini App. Used in the process of sending a message via the method answerWebAppQuery.

Variable

initData.queryId(); // 'group'

Functions

import { initDataQueryId } from '@telegram-apps/sdk';

initDataQueryId(); // 'ssVXZ231ger'

raw

Return type: string | undefined

A raw string representation of the initialization data.

Variable

initData.raw(); // 'user=...&chat=...&...'

Functions

import { initDataRaw } from '@telegram-apps/sdk';

initDataRaw(); // 'user=...&chat=...&...'

receiver

Return type: undefined or User with camel-cased properties.

An object containing data about the chat partner of the current user in the chat where the bot was launched via the attachment menu.

NOTE

Returned only for private chats and only for Mini Apps launched via the attachment menu.

Variable

initData.user();
// {
//   addedToAttachmentMenu: false,
//   allowsWriteToPm: true,
//   isPremium: true,
//   firstName: 'Pavel',
//   id: 78262681,
//   isBot: false,
//   lastName: 'Durov',
//   languageCode: 'ru',
//   photoUrl: 'https://example.com/image.png',
//   username: 'durove',
// }

Functions

import { initDataUser } from '@telegram-apps/sdk';

initDataUser();
// {
//   addedToAttachmentMenu: false,
//   allowsWriteToPm: true,
//   isPremium: true,
//   firstName: 'Pavel',
//   id: 78262681,
//   isBot: false,
//   lastName: 'Durov',
//   languageCode: 'ru',
//   photoUrl: 'https://example.com/image.png',
//   username: 'durove',
// }

state

Return type: undefined or InitData with deeply camel-cased properties.

An object containing the initialization data in object format.

Variable

initData.state();

Functions

import { initDataState } from '@telegram-apps/sdk';

initDataState();

startParam

Return type: string | undefined

The value of the startattach or startapp query parameter specified in the link.

Variable

initData.startParam(); // 'my-value'

Functions

import { initDataStartParam } from '@telegram-apps/sdk';

initDataStartParam(); // 'my-value'

user

Return type: undefined or User with camel-cased properties.

An object containing information about the current user.

Variable

initData.user();
// {
//   addedToAttachmentMenu: false,
//   allowsWriteToPm: true,
//   isPremium: true,
//   firstName: 'Pavel',
//   id: 78262681,
//   isBot: false,
//   lastName: 'Durov',
//   languageCode: 'ru',
//   photoUrl: 'https://example.com/image.png',
//   username: 'durove',
// }

Functions

import { initDataUser } from '@telegram-apps/sdk';

initDataUser();
// {
//   addedToAttachmentMenu: false,
//   allowsWriteToPm: true,
//   isPremium: true,
//   firstName: 'Pavel',
//   id: 78262681,
//   isBot: false,
//   lastName: 'Durov',
//   languageCode: 'ru',
//   photoUrl: 'https://example.com/image.png',
//   username: 'durove',
// }