Open a bot mini app, sending over user information after user confirmation.

After calling this method, until the user closes the webview, messages.prolongWebView must be called every 60 seconds.

webViewResultUrl#c14557c query_id:long url:string = WebViewResult;
messages.requestWebView#269dc2c1 flags:# from_bot_menu:flags.4?true silent:flags.5?true peer:InputPeer bot:InputUser url:flags.1?string start_param:flags.3?string theme_params:flags.2?DataJSON platform:string reply_to:flags.0?InputReplyTo send_as:flags.13?InputPeer = WebViewResult;


Name Type Description
flags # Flags, see TL conditional fields
from_bot_menu flags.4?true Whether the webview was opened by clicking on the bot's menu button ».
silent flags.5?true Whether the inline message that will be sent by the bot on behalf of the user once the web app interaction is terminated should be sent silently (no notifications for the receivers).
peer InputPeer Dialog where the web app is being opened, and where the resulting message will be sent (see the docs for more info »).
bot InputUser Bot that owns the web app
url flags.1?string Web app URL
start_param flags.3?string If the web app was opened from the attachment menu using a attachment menu deep link, start_param should contain the data from the startattach parameter.
theme_params flags.2?DataJSON Theme parameters »
platform string Short name of the application; 0-64 English letters, digits, and underscores
reply_to flags.0?InputReplyTo If set, indicates that the inline message that will be sent by the bot on behalf of the user once the web app interaction is terminated should be sent in reply to the specified message or story.
send_as flags.13?InputPeer Open the web app as the specified peer, sending the resulting the message as the specified peer.



Possible errors

Code Type Description
400 BOT_INVALID This is not a valid bot.
400 BOT_WEBVIEW_DISABLED A webview cannot be opened in the specified conditions: emitted for example if from_bot_menu or url are set and peer is not the chat with the bot.
400 INPUT_USER_DEACTIVATED The specified user was deleted.
400 PEER_ID_INVALID The provided peer id is invalid.
400 YOU_BLOCKED_USER You blocked this user.

Related pages

Bot menu button

Bots can choose the behavior of the menu button shown next to the text input field.


Terminate webview interaction started with messages.requestWebView, sending the specified message to the chat on behalf of the user.

Mini Apps on Telegram

Bots can offer users interactive HTML5 web apps to completely replace any website.

Deep links

Telegram clients must handle special tg:// and deep links encountered in messages, link entities and in other apps by registering OS handlers.

Telegram Mini Apps


Indicate to the server (from the user side) that the user is still using a web app.

If the method returns a QUERY_ID_INVALID error, the webview must be closed.