Machines

A Clundra machine is a real, isolated Linux environment with root access — not a constrained runtime. This page covers how to size, run, and tear down machines.

Base URL: examples use $CLUNDRA_API as a placeholder for your Clundra API host.

Sizes and resources

You pick a tier when you create a machine — that fixes its vCPU, memory, and disk. Resources are predictable: a machine gets exactly the tier you chose, with no surprise throttling. The dashboard's Deploy machine screen shows the current tiers and their resources and price; select one and create.

Over the API, the tier is the tier field on create:

curl -X POST $CLUNDRA_API/machines \
  -H "X-API-Key: gopt_live_..." \
  -H "Content-Type: application/json" \
  -d '{ "tier": "small" }'

For the current list of tiers and pricing, see the pricing section or the dashboard's deploy screen, which is always the source of truth for what's available today.

Lifecycle

Creation is synchronous. The create call doesn't hand you a “provisioning” placeholder to poll — it waits for the machine and returns it already running, with an IP attached. Machines are ready in seconds.

List your machines, or fetch one by id:

# List
curl $CLUNDRA_API/machines \
  -H "X-API-Key: gopt_live_..."

# Get one
curl $CLUNDRA_API/machines/$ID \
  -H "X-API-Key: gopt_live_..."

Run commands inside a machine with the exec console in the dashboard, or POST /machines/:id/exec — see the Quickstart.

Persistence

A machine keeps its state — its filesystem and everything you installed or wrote — for as long as the machine exists. That state is also what checkpoints capture: a checkpoint is a restore point you can return to at any time, so “persistence” on Clundra means both the machine remembers and you can rewind it to an earlier state. See Checkpoints & Rewind.

Reversibility applies to volumeless machines. A machine with a mounted volume cannot be checkpointed, rewound, or forked. If you need the reversibility model, keep the machine volumeless.

Deletion

Delete a machine from the dashboard, or over the API. Deletion tears down the machine and its resources.

curl -X DELETE $CLUNDRA_API/machines/$ID \
  -H "X-API-Key: gopt_live_..."

Where machines run

Machines run on EU infrastructure — hosted in Falkenstein, Germany. Every machine is isolated in its own microVM with its own kernel, memory, and filesystem.

Need help? [email protected]