ModifyTopic

最后更新时间：2026-01-13 21:52:01

ModifyTopic

最后更新时间： 2026-01-13 21:52:01

1. API Description

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

Modify topic attributes.

A maximum of 20 requests can be initiated per second for this API.

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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: ModifyTopic.
Version	Yes	String	Common Params. The value used for this API: 2023-03-08.
Region	Yes	String	Common Params. For more information, please see the list of regions supported by the product.
InstanceId	Yes	String	TDMQ RocketMQ instance ID. It can be obtained from the API DescribeFusionInstanceList or the console.
Topic	Yes	String	Topic name. It can be obtained from TopicItem returned by the API DescribeTopicList or from the console.
QueueNum	No	Integer	Number of queues. Value range: 3 to 16.
Remark	No	String	Remarks. Up to 128 characters are allowed.
MsgTTL	No	Integer	Message retention period (unit: hour).

3. Output Parameters

Parameter Name	Type	Description
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 Modify topic attributes.

Modify topic attributes.

Input Example

POST / HTTP/1.1
Host: trocket.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: ModifyTopic
<Common request parameters>

{
    "InstanceId": "rmq-72mo3a9o",
    "Topic": "test_topic",
    "QueueNum": 6
}

Output Example

{
    "Error": null,
    "RequestId": null,
    "Response": {
        "RequestId": "945afc69-1c24-4891-a2ce-c5fa6032ba75"
    }
}

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

Tencent Cloud CLI 3.0

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
FailedOperation	Operation failed.

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