# Cancel An Existing Order Cancels an existing order by specifying its ID, creation timestamp, and reason. Endpoint: POST /Orders/cancel Version: 1.0.0 Security: bearerAuth ## Request fields (application/json-patch+json): - `id` (integer, required) - `reason` (string, required) Example: "Customer request" ## Response 200 fields (application/json): - `message` (string) Example: "Order cancelled successfully"