Cancels the application for an Express Connect circuit before the Express Connect circuit is enabled. After you cancel the application, the status of the Express Connect circuit changes to Canceled.


You can cancel only an Express Connect circuit that is in the Initial, Approved, Allocated, or Confirmed state.


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 CancelPhysicalConnection

The operation that you want to perform.

Set the value to CancelPhysicalConnection.

PhysicalConnectionId String Yes pc-119mfjzm7****

The ID of the Express Connect circuit.

RegionId String Yes cn-shanghai

The region ID of the Express Connect circuit.

You can call the DescribeRegions operation to query the most recent region list.

ClientToken String No 02fb3da4-130e-11e9-8e44-0016e04115b

The client token that is used to ensure the idempotence of the request.

You can use the client to generate the value, but you must make sure that it is unique among different requests. The token can contain only ASCII characters and cannot exceed 64 characters in length.

Response parameters

Parameter Type Example Description
RequestId String 4EC47282-1B74-4534-BD0E-403F3EE64CAF

The ID of the request.


Sample requests

&<Common request parameters>

Sample success responses

XML format


JSON format

    "RequestId": "4EC47282-1B74-4534-BD0E-403F3EE64CAF"

Error codes

HttpCode Error code Error message Description
404 InvalidPhysicalConnectionId.NotFound The PhysicalConnectionId provided does not exist in our records. The error message returned because the Express Connect circuit does not exist.
400 Forbidden.NotAllowedInState The request does not allow in this state. The error message returned because the operation cannot be performed when the Express Connect circuit in the current state .

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