计费用量

curl "http://<pin-host>:8001/v1/billing/usage?limit=10" \
  -H "Authorization: Bearer $ARIA_PIN_KEY"

{
  "items": [
    {
      "billing_id": "bl_abc123",
      "job_id": "job_xyz789",
      "kind": "training",
      "gpu_seconds": 7200.0,
      "tokens": 12000000,
      "cost": 4.25,
      "created_at": "2025-06-01T12:00:00Z"
    }
  ]
}