# LXD > This is the documentation for LXD, a system container and virtual machine manager. 2014-2026 AGPL-3.0, LXD contributors ## Pages in this subsection - [How to authenticate to the LXD API using bearer tokens](https://canonical.com/lxd/docs/latest/howto/auth_bearer/index.html.md): To authenticate to the LXD API using a bearer token, first create an identity of type `bearer`: ## Optional - [Top-level llms.txt](https://canonical.com/lxd/docs/latest/llms.txt): Complete documentation index.