# Cancel a Scheduled Upgrade ### `DELETE /campaigns/{accountName}/{campaignId}` Allows a software upgrade to be cancelled. A software upgrade can be canceled before the start date. Once the campaign has started, it cannot be canceled. The campaign will continue through the scheduled end date. ## HTTP Request [DELETE https://thingspace.verizon.com/api/fota/v3/campaigns/{accountName}/{campaignId}](/docs/premium-apis/software-management/software-management-v2/api-endpoints/campaigns-v2/cancelcampaign) ## Header Parameters The request header must contain a current ThingSpace authorization token, set the content to "JSON" and a current VZ-M2M-session token. |Parameter Name|Data Type|Description| |-----|-----|-----| | **Authorization** *(required)* | string | HTTP Authorization request header containing a valid Bearer token: `Authorization: Bearer {token}` | | **VZ-M2M-Token** *(required)* | string | A valid session token returned by a Connectivity Management `POST /session/login` request. | | **Content-Type** *(required)* | string | Must be `application/json`. | ## Request Parameters |Parameter Name|Data Type|Description| |-----|-----|-----| | **accountName** *(required)* | string | Account identifier. This is numeric and in the format of **0000123456-00001**. Leading zeros must be included. | | **campaignId** *(required)* | string | Software upgrade identifier, returned in the "id" value of the POST /{campaigns}/{accountName} response when the upgrade was scheduled. | ## Request Body None ## Success Responses **Status 200** Example Success Response ```json { "success": true } ``` ## Success Parameters |Parameter Name|Data Type|Description| |-----|-----|-----| | **success** | boolean | **true** (succeeded) or **false** (failed). ## Failure Responses All error messages are returned in this format: ```json { "errorCode": "error code string", "errorMessage": "error message string" } ``` Error codes and messages are listed on the [Error Messages page](https://thingspace.verizon.com/documentation/api-documentation.html#/http/software-management/guides/error-messages), along with explanations and suggestions for corrective actions.