TikTok Support

What Is TikTok User ID and What Does It Do?

What Is TikTok User ID and What Does It Do?

TikTok assigns every account a permanent User ID, a unique numerical identifier that serves as the invisible backbone of a user’s digital identity on the platform. Unlike usernames, which can be changed, the User ID remains constant and allows TikTok’s systems to track content, engagement, and activ...

TikTok Support