Last updated: 2021-08-27 17:05:12

1. API Description

Domain name for API request:

This API is used to create a CKafka topic.

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:

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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 parameter. The value used for this API: CreateTopic.
Version Yes String Common parameter. The value used for this API: 2019-08-19.
Region Yes String Common parameter. For more information, please see the list of regions supported by the product.
InstanceId Yes String Instance ID
TopicName Yes String Topic name string of up to 64 characters, which must begin with a letter and can contain letters, digits, and dashes (-)
PartitionNum Yes Integer Number of partitions, which should be greater than 0
ReplicaNum Yes Integer Number of replicas, which cannot be higher than the number of brokers. Maximum value: 3
EnableWhiteList No Integer IP allowlist switch. 1: enabled, 0: disabled. Default value: 0
IpWhiteList.N No Array of String IP allowlist list for quota limit, which is required if enableWhileList is 1
CleanUpPolicy No String Log cleanup policy, which is delete by default. delete: logs will be deleted by save time; compact: logs will be compressed by key; compact, delete: logs will be compressed by key and deleted by save time.
Note No String Topic remarks string of up to 64 characters, which must begin with a letter and can contain letters, digits, and dashes (-)
MinInsyncReplicas No Integer Default value: 1
UncleanLeaderElectionEnable No Integer Whether to allow an unsynced replica to be elected as leader. false: no, true: yes. Default value: false
RetentionMs No Integer Message retention period in ms, which is optional. The current minimum value is 60,000 ms
SegmentMs No Integer Segment rolling duration in ms. The current minimum value is 3,600,000 ms

3. Output Parameters

Parameter Name Type Description
Result CreateTopicResp Returned creation result
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
&<Common request parameters>

Output Example

  "Response": {
    "Result": {
      "TopicId": "topic-k766ruye"
    "RequestId": "1305a410-b030-476d-acdf-eba0dfd5323b"

5. Developer Resources


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.InstanceNotExist The instance does not exist.
InvalidParameterValue.RepetitionValue The parameter already exists.
InvalidParameterValue.SubnetIdInvalid Invalid subnet ID.
InvalidParameterValue.SubnetNotBelongToZone The subnet is not in the zone.
InvalidParameterValue.VpcIdInvalid Invalid VPC ID.
InvalidParameterValue.WrongAction The value of the Action parameter is incorrect.
InvalidParameterValue.ZoneNotSupport The zone is not supported.
ResourceUnavailable The resource is unavailable.
UnauthorizedOperation Unauthorized operation.
UnsupportedOperation.BatchDelInstanceLimit The batch instance deletion limit is reached.
UnsupportedOperation.OssReject Oss rejected the operation.