curl --request POST \
  --url https://api.kova.ai/v1/tts \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "text": "<string>",
  "voice": "<string>",
  "normalize_text": false,
  "response_format": {
    "bitrate": "<string>",
    "encoding": "mp3",
    "sample_rate": 123
  },
  "temperature": 123,
  "timestamps": false
}
'

{
  "audio": "<string>",
  "timestamps": {
    "end_seconds": [
      123
    ],
    "start_seconds": [
      123
    ],
    "words": [
      "<string>"
    ]
  }
}