Rustbox#

curl -s -X POST "https://api.rustbox.sh/api/submit?wait=true" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: rb_live_your_key_here" \
  -d '{"language": "python", "code": "print(42)"}' | jq

{
  "id": "f2c6c5f7-1203-46e5-8a4f-a619c12bfeb0",
  "schema_version": "2.0",
  "language": "python",
  "profile": "judge",
  "status": "completed",
  "timestamps": {
    "created_at": "2026-04-03T08:05:23.540110+00:00",
    "started_at": "2026-04-03T08:05:23.540218+00:00",
    "completed_at": "2026-04-03T08:05:23.570195+00:00"
  },
  "result": {
    "verdict": "AC",
    "cause": "normal_exit",
    "actor": "runtime",
    "exit_code": 0,
    "signal": null,
    "error_message": null
  },
  "output": {
    "stdout": "42\n",
    "stderr": "",
    "integrity": "complete"
  },
  "metrics": {
    "cpu_time_secs": 0.009142,
    "wall_time_secs": 0.01,
    "memory_peak_bytes": 3862528,
    "cpu_wall_ratio": 0.9,
    "divergence": "cpu_bound"
  },
  "evidence": {
    "isolation": {
      "mode": "strict",
      "controls_applied": ["pid_namespace", "mount_namespace", "network_namespace", "memory_limit", "process_limit", "no_new_privileges"],
      "controls_missing": [],
      "proc_policy": "hardened",
      "sys_policy": "builtin-deny",
      "pidfd_mode": "native",
      "reason": "All configured controls applied"
    },
    "limits": {
      "rlimits": {
        "cpu_secs": { "soft": 4, "hard": 4 },
        "as_bytes": { "soft": 1073741824, "hard": 1073741824 },
        "nofile": { "soft": 32, "hard": 32 },
        "nproc": { "soft": 10, "hard": 10 }
      },
      "cgroup_backend": "cgroup_v2",
      "cgroup": {
        "memory_limit_bytes": 268435456,
        "memory_peak_bytes": 3862528,
        "oom_events": 0,
        "oom_kill_events": 0,
        "cpu_usage_usec": 9142,
        "process_count": 0,
        "process_limit": 10
      }
    },
    "teardown": {
      "reap_status": "clean",
      "descendant_containment": "ok",
      "zombie_count": 0,
      "cleanup_verified": true,
      "residual_mounts": [],
      "collection_errors": []
    }
  }
}