https://waclient.com/api/post_audio_story

curl -X POST \
  'https://waclient.com/api/post_audio_story' \
  -H 'Content-Type: application/json' \
  --data '{
    "media_url": "https://example.com/voice.ogg",
    "status_jid_list": [
        "20100981XXXX"
    ],
    "instance_id": "6A4B02A1XXXX",
    "access_token": "EMCUH3NQQK8YXXXX"
}'

{
    "status": "success",
    "message": "Success",
    "data": {
        "key": {
            "id": "STORY123",
            "remoteJid": "status@broadcast"
        },
        "status": "PENDING"
    }
}