Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn't support this method, it returns google.rpc.Code.UNIMPLEMENTED. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of 1, corresponding to Code.CANCELLED.
HTTP request
POST https://routeoptimization.googleapis.com/v1/{name=operations/**}:cancel
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-27 UTC."],[[["\u003cp\u003eThis document details how to cancel a long-running Route Optimization operation using a \u003ccode\u003ePOST\u003c/code\u003e request to a specific URL.\u003c/p\u003e\n"],["\u003cp\u003eCancellation is attempted but not guaranteed, and the operation's status can be checked using the \u003ccode\u003eOperations.GetOperation\u003c/code\u003e method.\u003c/p\u003e\n"],["\u003cp\u003eSuccessful cancellation results in the operation having an error code indicating it was canceled but the operation itself is not deleted.\u003c/p\u003e\n"],["\u003cp\u003eThe request must have an empty body and include the operation's name as a path parameter.\u003c/p\u003e\n"],["\u003cp\u003eAuthorization requires the \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-platform\u003c/code\u003e OAuth scope.\u003c/p\u003e\n"]]],[],null,["# Method: operations.cancel\n\n- [HTTP request](#body.HTTP_TEMPLATE)\n- [Path parameters](#body.PATH_PARAMETERS)\n- [Request body](#body.request_body)\n- [Response body](#body.response_body)\n- [Authorization scopes](#body.aspect)\n\nStarts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn't support this method, it returns `google.rpc.Code.UNIMPLEMENTED`. Clients can use [Operations.GetOperation](/maps/documentation/route-optimization/reference/rest/v1/projects.locations.operations/get#google.longrunning.Operations.GetOperation) or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an [Operation.error](/maps/documentation/route-optimization/reference/rest/v1/projects.locations.operations#Operation.FIELDS.error) value with a [google.rpc.Status.code](/maps/documentation/route-optimization/reference/rest/v1/projects.locations.operations#Status.FIELDS.code) of `1`, corresponding to `Code.CANCELLED`.\n\n### HTTP request\n\n`POST https://routeoptimization.googleapis.com/v1/{name=operations/**}:cancel`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\n### Path parameters\n\n| Parameters ||\n|--------|--------------------------------------------------------------|\n| `name` | `string` The name of the operation resource to be cancelled. |\n\n### Request body\n\nThe request body must be empty.\n\n### Response body\n\nIf successful, the response body is an empty JSON object.\n\n### Authorization scopes\n\nRequires the following OAuth scope:\n\n- `https://www.googleapis.com/auth/cloud-platform`"]]
