# API Details

- [Account](/cloudapi/api-details/account.md): You can obtain your account details and update them through CloudAPI, although login cannot be changed, and password can not be retrieved.
- [Keys](/cloudapi/api-details/keys.md): This part of the API is the means by which you operate on your SSH/signing keys.
- [Users](/cloudapi/api-details/users.md): These are users (also known as sub-users); additional users who are authorized to use the same account, but are subject to the RBAC system. See the RBAC section for more details.
- [Images](/cloudapi/api-details/images.md): An image contains the software packages that will be available on newly-provisioned instance. In the case of hardware virtual machines, the image also includes the operating system.
- [Instances](/cloudapi/api-details/instances.md): Triton supports three different types of instances:Docker containers. OS-virtualized instances managed through the Docker client.Infrastructure containers. More traditional OS-virtualized instances
- [Packages](/cloudapi/api-details/packages.md): Packages are named collections of resources to describe the dimensions of either a container or a hardware virtual machine. These resources include (but are not limited to) RAM, DISK & CPU caps.