curl --request POST \
  --url https://engine-api.unomiq.com/engine/metrics \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-Unomiq-App-Id: <x-unomiq-app-id>' \
  --data '
{
  "filter": {
    "field": "<string>",
    "value": "<string>"
  }
}
'

{
  "trace_count": 123,
  "duration": {
    "mean": 123,
    "median": 123,
    "p50": 123,
    "p90": 123,
    "p95": 123,
    "p99": 123,
    "min": 123,
    "max": 123,
    "stddev": 123
  },
  "cost": {
    "mean": 123,
    "median": 123,
    "p50": 123,
    "p90": 123,
    "p95": 123,
    "p99": 123,
    "min": 123,
    "max": 123,
    "stddev": 123
  },
  "spans_per_trace": {
    "mean": 123,
    "median": 123,
    "p50": 123,
    "p90": 123,
    "p95": 123,
    "p99": 123,
    "min": 123,
    "max": 123,
    "stddev": 123
  }
}