Cancels the pending device update tasks of a firmware component.


  • This operation can cancel only the pending update tasks.
  • Each Alibaba Cloud account can run a maximum of 10 queries per second (QPS).
    Note RAM users of an Alibaba Cloud account share the quota of the account.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes CancelOTATaskByDevice

The operation that you want to perform. Set the value to CancelOTATaskByDevice.

DeviceName.N RepeatList Yes device1

The list of device names that you want to query.

Device names must be unique.

The list can contain up to 200 device names.

FirmwareId String Yes T0F5b5tpFnHQrgfk****030100

The ID of the firmware.

A firmware ID is returned when you call the CreateOTAFirmware operation to create the firmware.

You can call the ListOTAFirmware operation and view the firmware ID in the response.

ProductKey String Yes a1V4kde****

The ProductKey of the product to which the device belongs.

IotInstanceId String No iot_instc_pu****_c*-v64********

The ID of the instance. This parameter is not required for public instances. However, the parameter is required for the instances that you have purchased.

JobId String No wahVIzGkCMuAUE2gDERM02****

The ID of the update batch. If you specify this parameter, only the device update tasks in the specified batch are deleted.

After you call the CreateOTAVerifyJob, CreateOTAStaticUpgradeJob, or CreateOTADynamicUpgradeJob operation to create an update task, you can obtain the JobId parameter. You can also view the batch ID on the Firmware Details page of the IoT Platform console.

In addition to the preceding operation-specific request parameters, you must specify common request parameters when you call this API operation. For more information about common request parameters, see Common request parameters.

Response parameters

Parameter Type Example Description
Code String iot.system.SystemException

The error code returned if the call fails. For more information, see Error codes.

ErrorMessage String A system exception occurred.

The error message returned if the call fails.

RequestId String A01829CE-75A1-4920-B775-921146A1AB79

The globally unique identifier that Alibaba Cloud generated for the request.

Success Boolean true

Indicates whether the call was successful.

  • true: The call was successful.
  • false: The call failed.


Sample requests
&<Common request parameters>

Sample success responses

XML format


JSON format

  "RequestId": "A01829CE-75A1-4920-B775-921146A1AB79",
  "Success": true

Error codes

For a list of error codes, visit the API Error Center.