curl --request GET \
  --url https://api.olostep.com/v1/files/{file_id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "object": "<string>",
  "created": 123,
  "filename": "<string>",
  "bytes": 123,
  "purpose": "<string>",
  "status": "<string>"
}