curl --request POST \
  --url https://api.example.com/v1/projects/{project}/boxes/{name}/exec \
  --header 'Content-Type: application/json' \
  --data '
{
  "command": [
    "<string>"
  ],
  "cwd": "<string>",
  "env": {},
  "no_hup": true,
  "shell": true,
  "tty": true,
  "user": "<string>"
}
'

{
  "detached": true,
  "exit_code": 123,
  "process": 123,
  "stderr": "<string>",
  "stdout": "<string>"
}