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To lock a chat go to Settings->Privacy and Security->Passcode Lock and enable it. Once you create a passcode and enable it, you will be able to lock and unlock your chats by tapping on the lock icon at the top right of the app. The Bot API is a free and open platform, available to everyone. If you're looking to build your own bot, check out this page. Customize Your Telegram

Telegram became one of the top-5 downloaded apps worldwide in 2022 and now has over 700 million monthly active users. This growth is solely from personal recommendations – Telegram has never paid to advertise its apps. And under Advanced, you can change how much time must pass with no activity before Telegram will automatically delete your account. \Telegram Enable Proxy To create a username, go to “Settings” and tap “Username” under the account section. There is also a “Bio” option, where you can add a few lines about yourself. Anyone who opens your profile will see this text.

Telegram allows users to locate contacts nearby you, should they choose to be discovered. This allows you to quickly add someone close to you on Telegram without going through the hassle of first noting their number and saving the contact manually. Users can also use this feature to find and create groups of nearby users. Create APIs Improved External Sharing on iOS Turn Off Notifications for Individual Contacts

The aforementioned secret chats are where you can take part in end-to-end encrypted messaging with a contact. But that’s not its only benefit: Secret chats also don’t allow a person forward messages from there or take screenshots. Of course, someone could take a picture of the screen with another device, but it’s still discouraged, and it’s bolstered by another feature: self-destruct timers. Owners of public groups can enable join requests via Group Info > Edit > Group Type > Who Can Send Messages > select Only Members > enable Approve New Members.