curl --request GET \
  --url https://api.sandbox.iron.xyz/api/documents \
  --header 'X-API-Key: <api-key>'

{
  "items": [
    {
      "content_type": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "display_name": "<string>",
      "file_name": "<string>",
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ],
  "cursor": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "prev_cursor": null
}