curl --request POST \
  --url https://restapi.deepdub.ai/api/v1/voice \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <x-api-key>' \
  --data '
{
  "age": 123,
  "data": "<string>",
  "filename": "<string>",
  "gender": "<string>",
  "locale": "<string>",
  "publish": true,
  "speaker_id": "<string>",
  "speaking_style": "<string>",
  "text": "<string>",
  "title": "<string>"
}
'

{
  "voice_prompt_id": "<string>"
}