curl --request POST \
  --url https://api.egp.scale.com/v5/spans/metrics/by-span \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "parents_only": true,
  "span_ids": [
    "<string>"
  ],
  "trace_ids": [
    "<string>"
  ],
  "excluded_span_ids": [
    "<string>"
  ],
  "excluded_trace_ids": [
    "<string>"
  ],
  "group_id": "<string>",
  "names": [
    "<string>"
  ],
  "statuses": [
    "SUCCESS"
  ],
  "types": [
    "TEXT_INPUT"
  ],
  "search_texts": [
    "<string>"
  ],
  "extra_metadata": {},
  "application_variant_ids": [
    "<string>"
  ],
  "assessment_types": [
    "<string>"
  ],
  "min_duration_ms": 123,
  "max_duration_ms": 123,
  "limit": 100,
  "offset": 0
}'

{
  "items": [
    {
      "span_name": "<string>",
      "count": 123,
      "min_ms": 123,
      "avg_ms": 123,
      "p50_ms": 123,
      "p90_ms": 123,
      "p95_ms": 123,
      "p99_ms": 123,
      "max_ms": 123,
      "total_ms": 123,
      "total_time_pct": 123,
      "avg_per_trace": 123
    }
  ],
  "totals": {
    "total_traces": 123,
    "total_spans": 123
  }
}