The endpoint cancels up to 100 orders in a single request. Each item identifies a target order by market plus exactly one of orderId or clientOrderId. The response is an array whose items match the input order one-to-one — response[i] corresponds to request.orders[i].

<Warning> Rate limit: 10000 requests/10 sec. </Warning> <Warning> Limit: From 1 to 100 orders per request. </Warning> <Note> - Provide exactly one of `orderId` or `clientOrderId` per item. Sending both, or neither, returns a per-item validation error. - The endpoint always processes every item independently. There is no `stopOnFail`-style switch. - When the caller is not authenticated, the API returns the standard authorization error and skips per-item validation. </Note> <Accordion title="Error Codes"> - `30` — validation failure (per-item) - `404` — order not found (per-item) - `500` — trade service unavailable (per-item) </Accordion> <Accordion title="Errors"> **Per-item errors (returned inside the response array):**

Element is not a valid object: