[
  {
    "key_id": "key_demo_001",
    "api_key": "bdr_test_demo_key_12345",
    "plan_tier": "Pro",
    "user_email": "demo@bdr-ai.com",
    "created_date": "2026-01-08",
    "calls_limit": 10000,
    "calls_used": 0,
    "active": true
  }
]