curl --request POST \
  --url https://general-runtime.voiceflow.com/knowledge-base/query \
  --header 'Content-Type: application/json' \
  --header 'authorization: <api-key>' \
  --data '
{
  "question": "<string>",
  "projectID": "<string>",
  "instruction": "<string>",
  "chunkLimit": 15,
  "synthesis": true,
  "filters": {},
  "internalFilters": [
    {
      "key": "<string>",
      "value": "<string>"
    }
  ],
  "projectEnvironmentIDOrAlias": "<string>",
  "versionVariant": "published"
}
'

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