curl --request GET \
  --url https://thirdparty.qonto.com/v2/transactions/{id}/attachments \
  --header 'Authorization: Bearer <token>'

{
  "attachments": [
    {
      "id": "<string>",
      "created_at": "<string>",
      "file_name": "<string>",
      "file_size": "<string>",
      "file_content_type": "<string>",
      "url": "<string>",
      "probative_attachment": {
        "status": "<string>",
        "file_name": "<string>",
        "file_content_type": "<string>",
        "file_size": "<string>",
        "url": "<string>"
      }
    }
  ]
}