Step 1: Set up Your Telegram Bot

Chat with Botfather to create your bot

On Telegram search @BotFather or you can start conversation by navigating through following link

Step 2: /start

Start conversation with the botfather by typing /start the botfather replies you with set of commands that you can use with your bot.

Step 3: Choose a username to your bot

Now type /. The bot father will ask you to choose a name for your bot.

Enter the desired name you want, for example I have named as your bot name

On next step the bot father will ask you to choose a username for your bot, the bot name must end with bot for example I gave yourbotname_bot

Now See Your Bot Username & Token HTTP API.

Thank You.