curl --request GET \
  --url https://api.agentmark.co/v1/metrics \
  --header 'Authorization: Bearer <token>' \
  --header 'X-Agentmark-App-Id: <api-key>'

{
  "data": {
    "summary": {
      "avg_latency_ms": 123,
      "error_count": 1,
      "input_tokens": 1,
      "output_tokens": 1,
      "success_count": 1,
      "total_cost": 123,
      "total_requests": 1,
      "total_tokens": 1,
      "unique_users": 1,
      "avg_cost_per_request": 123,
      "avg_input_tokens_per_request": 123,
      "avg_output_tokens_per_request": 123,
      "avg_total_tokens_per_request": 123,
      "model_count": 1
    },
    "time_series": [
      {
        "avg_latency_ms": 123,
        "cost": 123,
        "date": "2023-12-25",
        "errors": 1,
        "hour": 11,
        "input_tokens": 1,
        "output_tokens": 1,
        "requests": 1,
        "successes": 1,
        "tokens": 1,
        "unique_users": 1
      }
    ]
  }
}