If you see "Invalid Code. Please try again", the session has most likely ended and the code has expired. Ask for a new code to join the session.

How Blitzz session codes work
- A session code is a number you enter to join a video call.
- By default, a code expires after 30 minutes.
- Your admin can change how long codes last.
Frequently asked questions
How long is a Blitzz session code valid?
30 minutes by default. Your admin can adjust this.
What should I do if my code is invalid?
Ask the person who invited you to send a new code or link.