curl --request POST \
  --url https://api.hypereth.io/v2/hyperliquid/cancelAllOrders \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '{
  "symbol": "<string>",
  "scope": "symbol",
  "scheduledTime": 123,
  "cancelScheduled": true,
  "timeInForce": "immediate"
}'

{
  "status": "ok",
  "canceled": [
    "123",
    "124",
    "125"
  ],
  "message": "3 orders canceled"
}