How to Log In to Telegram Account

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How to Log In Using a Telethon Session (Short Guide)

A Telethon session is a saved login file that lets you access a Telegram account without entering an OTP again.

You log in once with your phone number and OTP, and Telethon creates a session file that keeps you logged in automatically.

What Are API ID and API Hash?

API ID and API Hash are unique keys provided by Telegram. They identify your app or script when connecting to Telegram through Telethon. Without them, Telethon cannot log in or create a session.

Where to Get API ID and API Hash?

1. Visit https://my.telegram.org

2. Log in with your Telegram phone number

3. Go to "API Development Tools"

4. Create a new application

5. Telegram will show your API ID and API Hash

Why Use Telethon Sessions?

No need to request OTP again
Works great for automation or bots
Fast and stable login

Last updated: October 16, 2025