Advanced topics

• Proxy
• Business Features
• Payments API
• Mini Apps
• Passport

Telegram Login Widget

You can use InlineKeyboardButton.WithLoginUrl to easily initiate a login connection to your website using the user's Telegram account credentials.

replyMarkup: new InlineKeyboardMarkup(InlineKeyboardButton.WithLoginUrl(
    "login", new LoginUrl { Url = "https://yourdomain.com/url" }))

You'll need to associate your website domain with your bot by sending /setdomain to @BotFather.

See official documentation about Telegram Login Widget for more information.

Server-side, you can use our separate repository Telegram.Bot.Extensions.LoginWidget to validate the user credentials, or to generate a Javascript to show the login widget directly on your website.