Help center
Documentation
Guides for using Lumen safely, managing a team, and running your own server.
Getting started
Create an account, open the chat app and set up encryption recovery.
Encryption & verification
How end-to-end encryption, verification and recovery keys work.
Devices & sessions
Sign in on new devices, verify them and sign out old ones.
Workspaces & invitations
Invite your team, manage roles and require MFA.
Plans & billing
What each plan includes and how billing works.
Federation
Talk to people on other Matrix servers and use other Matrix apps.
Account recovery
What to do if you lose your password, MFA device or recovery key.
Self-hosting
Run your own Lumen server on Ubuntu 24.04 with one command.