curl --request POST \
  --url https://api.example.com/v1/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "body": "<string>",
  "customer": {},
  "scheduleDate": "2023-11-07T05:31:56Z",
  "thread": {
    "status": "unread"
  }
}
'

{}