curl "https://api.60db.ai/analytics/usage?date_from=2026-04-01&date_to=2026-04-13" \
  -H "Authorization: Bearer your-api-key"

const usage = await client.getUsage({
  date_from: '2026-04-01',
  date_to: '2026-04-13'
});

usage = client.get_usage(
    date_from="2026-04-01",
    date_to="2026-04-13"
)

{
  "success": true,
  "usage_by_period": [
    {
      "period": "2026-04-10",
      "tts_characters": 5000,
      "stt_minutes": 12.5,
      "cost_usd": 0.15,
      "llm_tokens": 8500,
      "llm_cost_usd": 0.017,
      "memory_units": 3200,
      "memory_cost_usd": 0.0003
    }
  ],
  "summary": {
    "tts_characters": 125000,
    "stt_minutes": 180,
    "llm_tokens": 45000,
    "llm_cost_usd": 0.09,
    "memory_units": 15000,
    "memory_cost_usd": 0.0015,
    "total_cost_usd": 3.59,
    "plan": "Starter",
    "limits": {
      "tts_characters": 30000,
      "stt_minutes": 120
    }
  }
}