# Cancel a pending limit order Submits a cancellation request for a pending limit order on CeFi. Cancellation is asynchronous — the order moves to immediately, then the order syncer reconciles the final state: - if the CeFi exchange confirms the cancellation - if the order filled before the cancel landed (race condition) Only CeFi limit orders in or status are cancellable. DeFi orders and market orders return 400. Endpoint: DELETE /orders/{id} Version: 1.0.0 Security: bearerAuth ## Path parameters: - `id` (string, required) Order ID ## Response 400 fields (application/json): - `message` (string) Error message ## Response 401 fields (application/json): - `message` (string) Error message ## Response 404 fields (application/json): - `message` (string) Error message ## Response 500 fields (application/json): - `message` (string) Error message