> ## Documentation Index
> Fetch the complete documentation index at: https://docs.kraken.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Cancel Order
> Cancel one or more open orders via WebSocket
WSS
ws-auth.kraken.com/v2
cancel\_order
The `cancel_order` request cancels one or more open orders in a single request. The orders to be cancelled can be identified by a range of client or Kraken identifiers. Note, the details of the individual cancelled orders will also be streamed on the `executions` channel.
Value: `cancel_order`
A list of Kraken `order_id` identifiers. Cannot be combined with `cl_ord_id` or `order_userref` in the same request.
A list of client `cl_ord_id` identifiers. Cannot be combined with `order_id` or `order_userref` in the same request.
A list of client `order_userref` identifiers. Cannot be combined with `order_id` or `cl_ord_id` in the same request.
Authentication token. See [authentication guide](/exchange/guides/websockets/authentication) for details.
Optional client originated request identifier sent as acknowledgment in the response.
When cancelling multiple orders, there will be a stream of individual order responses.
Value: `cancel_order`
Kraken identifier of the cancelled order.
Optional client identifier of the cancelled order.
Non-fatal warnings about the cancellation, if any.
Error message. Condition: if `success` is `false`.
Indicates if the request was successfully processed by the engine. One of: `true`, `false`
Optional client originated request identifier sent as acknowledgment in the response.
The timestamp when the request was received on the wire, just prior to parsing data. Format: RFC3339. Example: `2022-12-25T09:30:59.123456Z`
The timestamp when the response was sent on the wire, just prior to transmitting data. Format: RFC3339. Example: `2022-12-25T09:30:59.123456Z`
```json Request theme={null}
{
"method": "cancel_order",
"params": {
"order_id": [
"OM5CRX-N2HAL-GFGWE9",
"OLUMT4-UTEGU-ZYM7E9"
],
"token": "zGXT1dUQQjJjy5VmGXMegdDQngXXehNo5qbMBVolwEQ"
},
"req_id": 123456789
}
```
```json Response theme={null}
{
"method": "cancel_order",
"req_id": 123456789,
"result": {
"order_id": "OLUMT4-UTEGU-ZYM7E9"
},
"success": true,
"time_in": "2023-09-21T14:36:57.428972Z",
"time_out": "2023-09-21T14:36:57.437952Z"
}
```