Install & log in

How the one-click login works, why it's safe, and how your bot gets created.

dev>nulll is a desktop app (Windows, macOS, Linux). Download it, open it, and log in to Telegram — that’s the whole setup.

Logging in

When you click Create a bot in Telegram, dev>nulll logs into your Telegram account using Telegram’s official protocol (the same one Telegram Desktop uses), and then talks to @BotFather on your behalf to create a brand-new bot. You give it a name and a username, and the bot — plus its token — is created for you automatically.

Steps:

  1. Click Create a bot in Telegram.
  2. Enter your phone number (with country code, e.g. +1…) and, if you have one, your 2FA password.
  3. Telegram sends a login code to your Telegram app (Service Notifications). Enter it.
  4. Pick a name and a username (must end in bot). Done — your bot exists.

Why it’s safe

  • Local-first. Login happens on your computer. Your Telegram session is stored encrypted on your device and never sent to our servers.
  • Official protocol. We use Telegram’s official client API — nothing unofficial.
  • Minimal scope. We only use it to have @BotFather create your bot. We don’t read your chats or message your contacts.

Just exploring?

You can click Look around to build a draft bot locally without logging in. You’ll need to log in only when you’re ready to attach a real Telegram bot and run it. See Build your first bot.