You can call this operation to query information about a stack policy.

In this example, the stack policy of a stack whose ID is 4a6c9851-3b0f-4f5f-b4ca-a14bf691**** is queried. The stack is deployed in the China (Hangzhou) region.


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 GetStackPolicy

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

RegionId String Yes cn-hangzhou

The region ID of the stack. You can call the DescribeRegions operation to query the most recent region list.

StackId String Yes 4a6c9851-3b0f-4f5f-b4ca-a14bf691****

The ID of the stack.

For more information about common parameters, see Common parameters.

Response parameters

Parameter Type Example Description
StackPolicyBody Map {"Statement": [{"Action": "Update:*", "Effect": "Allow","Principal": "*","Resource": "*"}]}

The structure that contains the stack policy body. The stack policy body must be 1 to 16,384 bytes in length.

RequestId String B288A0BE-D927-4888-B0F7-B35EF84B6E6F

The ID of the request.


Sample requests

&<Common request parameters>

Sample success responses

XML format


JSON format

  "StackPolicyBody": {
    "Statement": [
        "Action": "Update:*",
        "Effect": "Allow",
        "Principal": "*",
        "Resource": "*"
        "Action": "Update:*",
        "Effect": "Deny",
        "Principal": "*",
        "Resource": "LogicalResourceId/WebServer"
  "RequestId": "B288A0BE-D927-4888-B0F7-B35EF84B6E6F"

Error codes

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

Error code

Error message

HTTP status code



The Stack ({name}) could not be found.


The error message returned because the specified stack does not exist. name indicates the name or ID of the stack.