| Field | Type | Required | Description | Example |
|---|---|---|---|---|
Username |
string | ✔️ | The username of the user to follow or unfollow. | |
Cookie |
string | ✔️ | The user's Twitter authentication cookie or Twitter auth_token, how-to-get-twitter-cookie | ct0=abc123... or 2c4a4e1832096aa694c739b83c83b6d96d43eba7 |