curl --request POST \
  --url https://api.example.com/remnawave/sync/from-panel \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '{
  "mode": "all"
}'

{
  "success": true,
  "detail": "<string>",
  "data": {}
}