curl --request POST \
  --url https://app.myhero.so/tts/synthesize \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "text": "<string>",
  "prompt": "<string>",
  "voice": "<string>",
  "model": "gemini-2.5-flash-preview-tts",
  "audioEncoding": "LINEAR16",
  "languageCode": "<string>"
}
'

{
  "success": true,
  "data": {
    "audioContent": "<string>",
    "audioConfig": {
      "audioEncoding": "<string>",
      "sampleRateHertz": 123
    },
    "model": "<string>"
  }
}