curl --request PATCH \
  --url https://realtime-api.voiceflow.com/v1/stable/tool/{toolID} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "api",
  "description": "<string>",
  "captureInputVariables": {},
  "asyncExecution": true,
  "inputVariables": {},
  "captureResponse": {}
}
'

{
  "message": "<string>"
}