Cancel order
Exchange
Cancel order
Requests cancellation of open quantity on an order. Filled quantity is final; only remaining quantity can be cancelled if the order is still cancellable.
POST
Cancel order
Order writes are asynchronous. Store the
Idempotency-Key before sending the request, reuse it for retries after uncertain responses, and read the order resource for the final state.Authorizations
API credential. Withdrawal quote and submit operations additionally require the documented Ed25519 timestamp, nonce, and signature headers.
Headers
Unique key for this exact write intent. Store it before sending the request and reuse it for retries after timeouts or transient errors.
Path Parameters
Public order ID returned by create or list order endpoints.