Last updated: 2020-05-09 10:25:43

1. API Description

Domain name for API request:

This API is used to query topic details.

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

Note: This API supports Finance regions. If the common parameter Region is a Finance region, a domain name with the Finance region needs to be specified, for example:

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 parameter. The value used for this API: DescribeTopicDetail.
Version Yes String Common parameter. The value used for this API: 2019-03-04.
Region Yes String Common parameter. For more information, please see the list of regions supported by the product.
Offset No Integer Starting position of queue list to be returned on the current page in case of paginated return. If a value is entered, limit is required. If this parameter is left empty, 0 will be used by default.
Limit No Integer Number of queues to be returned per page in case of paginated return. If this parameter is not passed in, 20 will be used by default. Maximum value: 50.
Filters.N No Array of Filter Currently, only filtering by TopicName is supported, and only one filter value can be entered
TagKey No String Tag match
TopicName No String Exact match by TopicName

3. Output Parameters

Parameter Name Type Description
TotalCount Integer TotalCount
TopicSet Array of TopicSet TopicSet
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Querying topic details

Input Example
&<Common request parameters>

Output Example

  "Response": {
    "TotalCount": 2,
    "TopicSet": [
        "Tags": [],
        "TopicId": "topic-rga4l1o4",
        "TopicName": "ConnTopic",
        "CreateUin": 20548499,
        "MsgRetentionSeconds": 10000,
        "MaxMsgSize": 20000,
        "Qps": 10000,
        "FilterType": 1,
        "CreateTime": 1581516588,
        "LastModifyTime": 1581563581,
        "MsgCount": 0
        "Tags": [],
        "TopicId": "topic-388k6x98",
        "TopicName": "test123",
        "CreateUin": 20548499,
        "MsgRetentionSeconds": 86400,
        "MaxMsgSize": 65536,
        "Qps": 5000,
        "FilterType": 1,
        "CreateTime": 1581493669,
        "LastModifyTime": 1581495310,
        "MsgCount": 0
    "RequestId": "68ebb46b-5eac-467a-9942-1a5da83a65ca"

5. Developer Resources

API Explorer

This tool allows online call, signature authentication, SDK code generation and quick search of APIs to greatly improve the efficiency of using TencentCloud APIs.


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.TryLater The operation is in progress. Please try again later.
InvalidParameter Invalid parameter.
InvalidParameterValue.NoTaskId The task ID does not exist.
LimitExceeded The quota limit is exceeded.
ResourceInUse The resource is in use.
ResourceNotFound The resource does not exist.
ResourceUnavailable The resource is unavailable.
ResourcesSoldOut The resources have been sold out.
UnauthorizedOperation Unauthorized operation.