curl --request POST \
  --url https://app.ezzydoc.com/EzzyService.svc/Rest/oauth/token \
  --header 'Content-Type: application/json' \
  --data '
{
  "client_id": "<string>",
  "client_secret": "<string>",
  "grant_type": "<string>"
}
'

{
  "service_status": {
    "invoice_id": 123,
    "message": "<string>"
  },
  "token": "<string>"
}