curl --request POST \
  --url https://messenger-public-api.cogfy.com/messages/audio \
  --header 'Content-Type: application/json' \
  --header 'api-key: <api-key>' \
  --data '
{
  "from": "<string>",
  "to": "<string>",
  "audio": {
    "id": "<string>",
    "link": "<string>"
  }
}
'

{
  "id": "<string>"
}