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Key Management Service
DocumentationKey Management ServiceAPI documentationKey APIsDescribeKey
DescribeKey
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Last updated: 2025-04-23 14:29:49
DescribeKey
Last updated: 2025-04-23 14:29:49
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1. API Description

Domain name for API request: kms.intl.tencentcloudapi.com.

This API is used to get the attribute details of the CMK with a specified KeyId.

A maximum of 100 requests can be initiated per second for this API.

We recommend you to use API Explorer
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API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.

2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common Params. The value used for this API: DescribeKey.
Version Yes String Common Params. The value used for this API: 2019-01-18.
Region Yes String Common Params. For more information, please see the list of regions supported by the product.
KeyId Yes String Globally unique CMK ID

3. Output Parameters

Parameter Name Type Description
KeyMetadata KeyMetadata Key attribute information
Note: this field may return null, indicating that no valid values can be obtained.
RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

4. Example

Example1 Getting CMK attributes

Get the attribute details of the specified CMK.

Input Example

https://kms.intl.tencentcloudapi.com/?Action=DescribeKey
&KeyId=23e80852-1e38-11e9-b129-5cb9019b4b01
&<Common request parameters>

Output Example

{
    "Response": {
        "KeyMetadata": {
            "KeyId": "23e80852-1e38-11e9-b129-5cb9019b4b01",
            "Alias": "myalias",
            "CreateTime": 1548210729,
            "Description": "test cmk",
            "KeyState": "Enabled",
            "KeyUsage": "ENCRYPT_DECRYPT",
            "Type": 1,
            "CreatorUin": 1001,
            "KeyRotationEnabled": true,
            "Owner": "user",
            "NextRotateTime": 1553151489,
            "DeletionDate": 0,
            "Origin": "TENCENT_KMS",
            "ValidTo": 0
        },
        "RequestId": "1b580852-1e38-11e9-b129-5cb9019b4b00"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
InternalError Internal error.
InvalidParameter Invalid parameter.
InvalidParameterValue.InvalidKeyId Invalid KeyId.
ResourceUnavailable.CmkNotFound The CMK does not exist.
UnauthorizedOperation Unauthorized operation.
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