One of the first steps you'll need to complete when creating your InviteMember project is to register InviteMember as the backend for your Telegram bot. After you've created a bot with @BotFather, open your chat with @InviteMemberBot.
Open your project menu, then select Telegram bot, then Set Telegram bot. Copy and paste your bot token in the dialog:
InviteMember will check your token and will register itself as your Telegram Bot backend. If everything's okay, you should see something like this:
If you run into any issues, reach out to the support team at @InviteMemberSupportBot.