curl --request POST \
  --url https://api.altostrat.io/backups/latest \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "sites": [
    "a1b2c3d4-e5f6-7890-1234-567890abcdef"
  ]
}'

{
  "results": {},
  "total_sites": 3,
  "successful": 1,
  "errors": 2
}