Starts a data synchronization task.

  • Before you call this operation, make sure that you fully understand the billing methods and pricing of Data Transmission Service (DTS).
  • When you call this operation, the data synchronization task must be in the NotStarted, Failed, or Suspending state. If you call this operation to start a task that is in the NotStarted state, the task will be prechecked.


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 StartSynchronizationJob

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

SynchronizationJobId String Yes dtsf19100l2186****

The ID of the data synchronization instance. You can call the DescribeSynchronizationJobs operation to query the instance ID.

RegionId String No cn-hangzhou

The ID of the region where the data synchronization instance resides. For more information, see List of supported regions.

SynchronizationDirection String No Forward

The synchronization direction. Valid values:

  • Forward
  • Reverse
  • Default value: Forward.
  • You can set this parameter to Reverse to start the reverse synchronization task only when the topology is two-way synchronization.
AccountId String No 12323344****

The ID of the Alibaba Cloud account. You do not need to specify this parameter because this parameter will be removed in the future.

Response parameters

Parameter Type Example Description
ErrCode String InternalError

The error code returned if the call failed.

ErrMessage String The request processing has failed due to some unknown error.

The error message returned if the call failed.

RequestId String FDC111B1-ACBF-457D-9656-247FDEE9****

The ID of the request.

Success String true

Indicates whether the call was successful.


Sample requests

&<Common request parameters>

Sample success responses

XML format


JSON format

	"RequestId": "FDC111B1-ACBF-457D-9656-247FDEE9****",
	"Success": true

Error codes

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