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The sandbox process API is exposed through each sandbox’s management hostname, not https://api.tensorlake.ai. 
https://<sandbox-id-or-name>.sandbox.tensorlake.ai
These endpoints are proxied through the sandbox proxy to the daemon running inside the sandbox. Use them to start background processes, inspect status, send signals, write stdin, and retrieve or follow captured output.
Include Authorization: Bearer $TENSORLAKE_API_KEY on requests to the sandbox proxy.

Start Process

Launch a new process inside a sandbox.

List Processes

Enumerate the processes tracked by the sandbox daemon.

Get Process

Inspect the current status and metadata for one process.

Send Signal

Deliver a POSIX signal such as SIGTERM or SIGKILL.

Process Stdin

Write to stdin or close stdin for a running process.

Get Output

Read captured stdout, stderr, or combined output.

Follow Output

Replay existing output and follow new output over SSE.

Kill Process

Force-terminate a running process with SIGKILL.