curl "https://api.60db.ai/billing/usage-logs?limit=10&service_type=TTS" \
  -H "Authorization: Bearer your-api-key"

const response = await fetch(
  'https://api.60db.ai/billing/usage-logs?limit=10&service_type=LLM',
  { headers: { 'Authorization': 'Bearer sk_your_api_key' } }
);
const data = await response.json();

{
  "success": true,
  "message": "Usage logs fetched successfully",
  "data": {
    "logs": [
      {
        "hash_id": "84ffd09e-f5a4-42ea-a8fc-f50038392652",
        "service_type": "TTS",
        "amount_deducted": "0.00024000",
        "units_used": "12",
        "previous_balance": "9.50024000",
        "new_balance": "9.50000000",
        "metadata": {},
        "created_at": "2026-04-13T12:30:00.000Z",
        "user_name": "Kapil Karda",
        "user_email": "[email protected]"
      },
      {
        "hash_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
        "service_type": "LLM",
        "amount_deducted": "0.00150000",
        "units_used": "1500",
        "previous_balance": "9.50174000",
        "new_balance": "9.50024000",
        "metadata": {},
        "created_at": "2026-04-13T12:25:00.000Z",
        "user_name": "Kapil Karda",
        "user_email": "[email protected]"
      }
    ],
    "pagination": {
      "current_page": 1,
      "per_page": 10,
      "total_records": 42,
      "total_pages": 5
    },
    "summary": [
      { "service_type": "TTS", "count": 15, "total_cost": 0.0036, "total_units": 180 },
      { "service_type": "LLM", "count": 20, "total_cost": 0.03, "total_units": 30000 },
      { "service_type": "MEMORY_INGEST", "count": 7, "total_cost": 0.0007, "total_units": 7000 }
    ]
  }
}