This API enables you to change the rotation interval for a CMK.

**Table 1** URI parameter
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token. It can be obtained by calling an IAM API. The value of X-Subject-Token in the response header is the user token.
Content-Type	Yes	String	application/json

**Table 3** Request parameters
Parameter	Mandatory	Type	Description
key_id	Yes	String	36-byte key ID that matches the regular expression ^[0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12}$. For example, 0d0466b0-e727-4d9c-b35d-f84bb474a37f
rotation_interval	Yes	Integer	Rotation interval. The value is an integer ranging from 30 to 365. Set the interval based on how often a CMK is used. If it is frequently used, set a short interval; otherwise, set a long one.
sequence	No	String	A 36-byte serial number of a request message. For example, 919c82d4-8046-4722-9094-35c3c6524cff

None

The following example describes how to change the rotation interval to 30 for a CMK (ID: 0d0466b0-e727-4d9c-b35d-f84bb474a37f).

Example request

{
    "key_id": "0d0466b0-e727-4d9c-b35d-f84bb474a37f",
    "rotation_interval":30
}

Example response

{
}

{
    "error": {
        "error_code": "KMS.XXXX",
        "error_msg": "XXX"
    }
}

Table 4 lists the normal status code returned by the response.

**Table 4** Status codes
Status Code	Status	Description
200	OK	Request processed successfully.

Exception status code. For details, see Status Codes.

Changing the Rotation Interval for a CMK