curl --location '/files' \
--header 'Idempotency-Key: e1f3c592-630c-4821-abbc-1a9c51ef76f3' \
--header 'Authorization: Bearer <token>' \
--form 'file=@""' \
--form 'name="filename.pdf"'{
"data": {
"id": "file_2n5nkAfqi4xVVvVZ",
"name": "filename.pdf",
"content_type": "application/pdf",
"size": 48213,
"url": "https://files.casharc.pro/file_2n5nkAfqi4xVVvVZ?signature=...",
"created_at": "2026-01-01T00:50:00Z"
}
}