curl --request POST \
  --url https://api.promptmetrics.dev/traces/{span_id}/score \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "criteria": "<string>",
  "value": 0.5
}
'

{
  "responseData": {
    "data": {}
  }
}