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    CreateCmqTopic

    Last updated: 2023-08-09 14:43:36
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    1. API Description

    Domain name for API request: tdmq.tencentcloudapi.com.

    This API is used to create a CMQ topic.

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

    We recommend you to use API Explorer
    Try it
    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: CreateCmqTopic.
    Version Yes String Common Params. The value used for this API: 2020-02-17.
    Region No String Common Params. This parameter is not required for this API.
    TopicName Yes String Topic name, which must be unique in the same topic under the same account in the same region. It can contain up to 64 letters, digits, and hyphens and must begin with a letter.
    MaxMsgSize No Integer Maximum message length. Value range: 1024–65536 bytes (i.e., 1–64 KB). Default value: 65536.
    FilterType No Integer Used to specify the message match policy for the topic. 1: tag match policy (default value); 2: routing match policy.
    MsgRetentionSeconds No Integer Message retention period. Value range: 60–86400 seconds (i.e., 1 minute–1 day). Default value: 86400.
    Trace No Boolean Whether to enable message trace. true: yes; false: no. If this field is left empty, the feature will not be enabled.
    Tags.N No Array of Tag Tag array.

    3. Output Parameters

    Parameter Name Type Description
    TopicId String Topic ID
    RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

    4. Example

    Example1 Creating a topic

    Input Example

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

{
    "TopicName": "ConnTopic"
}

    Output Example

    {
    "Response": {
        "TopicId": "topic-gzz05csc",
        "RequestId": "3e0dff9d-9ed5-47c3-beb2-a42c1d69e1cc"
    }
}

    Example2 Sample

    Input Example

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

{
    "TopicName": "testtopic"
}

    Output Example

    {
    "Response": {
        "RequestId": "ae412902-bb35-4237-955d-3e1f9901e0cc",
        "TopicId": "cmqt-7jwedr3jqb54"
    }
}

    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
    FailedOperation Operation failed.
    FailedOperation.CreateCluster Failed to create the cluster.
    FailedOperation.CreateTopic Failed to create the topic.
    FailedOperation.SetRetentionPolicy Failed to set the message retention policy.
    FailedOperation.SetTTL Failed to configure the message TTL.
    InternalError.BrokerService The broker service is exceptional.
    LimitExceeded.Topics The number of topics under the instance exceeds the limit.
    ResourceInUse The resource is in use.
    ResourceInUse.Topic A topic with the same name already exists.
    ResourceNotFound.Environment The environment does not exist.
    ResourceUnavailable The resource is unavailable.
    ResourceUnavailable.CreateFailed Assignment exception.
    ResourceUnavailable.FundRequired You must top up before proceeding.
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