curl --request POST \
  --url https://realtime-api.voiceflow.com/v1/stable/evaluation/{evaluationID}/run \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "transcriptID": "<string>"
}
'

{
  "result": {
    "cost": 123,
    "value": true,
    "reason": "<string>",
    "transcriptID": "<string>",
    "evaluationID": "<string>"
  }
}