curl --request POST \
  --url https://api.botifiy.com/message/sendWhatsAppAudio/{instance} \
  --header 'Content-Type: application/json' \
  --header 'apikey: <api-key>' \
  --data '
{
  "number": "<string>",
  "audio": "<string>"
}
'

{
  "key": {
    "remoteJid": "<string>",
    "fromMe": true,
    "id": "<string>"
  },
  "message": {
    "audioMessage": {
      "url": "<string>",
      "mimetype": "<string>",
      "fileSha256": "<string>",
      "fileLength": "<string>",
      "seconds": 123,
      "ptt": true,
      "mediaKey": "<string>",
      "fileEncSha256": "<string>",
      "directPath": "<string>",
      "mediaKeyTimestamp": "<string>"
    }
  },
  "messageTimestamp": "<string>",
  "status": "<string>"
}