curl --request POST \
  --url https://realtime-api.voiceflow.com/v1/stable/knowledge-base/query \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "question": "<string>",
  "filters": {},
  "settings": {
    "system": "<string>",
    "maxTokens": 0,
    "temperature": 123
  },
  "synthesis": true,
  "chunkLimit": 15,
  "instruction": "<string>"
}
'

{
  "answer": {
    "output": "<string>",
    "tokens": 123,
    "duration": 123,
    "queryTokens": 123,
    "answerTokens": 123,
    "inputMultiplier": 123,
    "cacheMultiplier": 123,
    "outputMultiplier": 123,
    "cacheWriteTokens": 123,
    "queryCachedTokens": 123,
    "cacheWriteMultiplier": 123,
    "queryRemainderTokens": 123,
    "base": {
      "queryTokens": 123,
      "answerTokens": 123,
      "cacheWriteTokens": 123,
      "queryCachedTokens": 123
    },
    "chunks": [
      {
        "score": 123,
        "chunkID": "<string>",
        "documentID": "<string>",
        "content": "<string>",
        "source": {
          "type": "url",
          "name": "<string>",
          "url": "<string>",
          "lastSuccessUpdate": "<string>",
          "accessTokenID": 123,
          "integrationExternalID": "<string>"
        },
        "metadata": {}
      }
    ],
    "priorityMultipliers": {
      "inputMultiplier": 123,
      "cacheMultiplier": 123,
      "outputMultiplier": 123,
      "cacheWriteMultiplier": 123
    }
  }
}