Step 1: Get Bot Token

1. Open Telegram and search for @BotFather.

2. Send /newbot and follow instructions to create a bot.

3. Copy the HTTP API Token provided.

Step 2: Create a Private Channel

1. In Telegram, create a new Channel.

2. Set the channel type to Private.

3. Add your newly created bot to the channel as an Administrator (it needs permission to Post Messages).

Step 3: Get Channel ID

1. Open Telegram Web in your browser and log in.

2. Open the Private Channel you just created.

3. Look at the URL in your browser. It will look something like this:
https://web.telegram.org/a/#-1001234567890 or .../#1234567890

4. Extract the number part: 1234567890.

Step 4: Final Verification

Please confirm your details. We will automatically add the required -100 prefix to the Channel ID if it's missing.

Note: These credentials will be stored locally in your browser.