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DELETE
/
orders
/
{orderId}
Cancel Order
curl --request DELETE \
  --url https://api.limitless.exchange/orders/{orderId} \
  --header 'lmts-api-key: <api-key>'
{
  "message": "Order canceled successfully"
}
This endpoint cancels by internal orderId. To cancel by either orderId or clientOrderId, use Cancel Order (Combined).
To cancel multiple orders at once, use Batch Cancel Orders (Combined), Cancel Orders (Batch), or Cancel All.
Cancellations remain available in cancel_only and post_only, but can return 503 Service Unavailable when trading is disabled. Check Maintenance Mode before cancel flows that must complete quickly.

Authorizations

​
lmts-api-key
string
header
required

Scoped API token with HMAC-SHA256 signing. Requires three headers: lmts-api-key (token ID), lmts-timestamp (ISO-8601), lmts-signature (Base64-encoded HMAC). See Authentication docs for details.

Path Parameters

​
orderId
string
required

Unique identifier of the order to be cancelled

Example:

"6f52b6d2-6c9e-4a5c-8a4f-28ab4b7ff203"

Response

Order successfully cancelled

​
message
string
required

Confirmation message for the cancelled order

Example:

"Order canceled successfully"