Function: unfollow_user
This tool belongs to the TwitterAPI, which provides core functionality for posting tweets, retweeting, commenting, and following users on Twitter. Tool description: Unfollow a user for the authenticated user.
Parameters: username_to_unfollow: type: string
description: Username of the user to unfollow.
Required parameters: username_to_unfollow
Response: unfollow_status: type: boolean
description: True if unfollowed, False if not following.