curl --request GET \
  --url http://localhost:8080/anthropic/v1/files

{
  "data": [
    {
      "id": "<string>",
      "type": "file",
      "filename": "<string>",
      "mime_type": "<string>",
      "size_bytes": 123,
      "created_at": "2023-11-07T05:31:56Z",
      "downloadable": true
    }
  ],
  "has_more": true,
  "first_id": "<string>",
  "last_id": "<string>"
}