curl --request POST \
  --url https://api.coinbase.com/api/v3/brokerage/orders/batch_cancel \
  --header 'Content-Type: application/json' \
  --data '{
  "order_ids": [
    "0000-00000",
    "1111-11111"
  ]
}'

{
  "results": [
    {
      "success": true,
      "failure_reason": "<any>",
      "order_id": "0000-00000"
    }
  ]
}