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Cloud Load Balancer

CreateTargetGroup

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最終更新日: 2026-06-17 17:26:29

1. API Description

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

This API is used to create a target group. This feature is in beta test, if you want to try it out, please submit a ticket.

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: CreateTargetGroup.
Version Yes String Common Params. The value used for this API: 2018-03-17.
Region Yes String Common Params. For more information, please see the list of regions supported by the product.
TargetGroupName No String

Target group name. Naming rule: 1-80 English letters, Chinese characters and other internationally compatible language characters, digits, connecting line "-", underscore "_" and other common characters (Unicode supplementary characters such as emoji and rare Chinese characters are forbidden).

VpcId No String

The vpcId attribute of the target group. Leave it blank to use the default VPC.

Port No Integer

Default port of target group. Default port can be used when servers are added subsequently. Full listen target group does not support this parameter. For non-full listen target group, either Port or port in TargetGroupInstances.N is required.

TargetGroupInstances.N No Array of TargetGroupInstance

The target group supports up to 50 real servers bound to it.

Type No String

Target Group Type, currently supported v1 (legacy version target group), v2 (new version target group), defaults to v1 (legacy version target group).

Protocol No String

Backend forwarding protocol of the target group. This field is required for the new version target group v2. Currently supports TCP, UDP, HTTP, HTTPS, GRPC.

HealthCheck No TargetGroupHealthCheck

Health check.

ScheduleAlgorithm No String

Scheduling algorithm. This parameter is valid only for new version V2 target groups with backend forwarding protocol (HTTP

Tags.N No Array of TagInfo

Tag.

Weight No Integer

Default weight of the backend service, where:

  • Value ranges from 0 to 100.
  • After setting this value, when adding a backend service to the target group, if the backend service does not set the weight separately, use the default weight here.
  • Weight parameter settings not supported for v1 target group type.
FullListenSwitch No Boolean

Full listen target group flag. true: yes, false: no. Only target groups of the new version V2 support this parameter.

KeepaliveEnable No Boolean

Whether to enable long connections. This parameter is applicable only to HTTP/HTTPS target groups. 0: off; 1: on. Off by default.

SessionExpireTime No Integer

Session persistence time, unit: second. Available values: 30-3600, default 0, disabled. This parameter is supported only for target groups with HTTP/HTTPS/GRPC backend forwarding protocol in the new version V2.

IpVersion No String

IP version type.

SnatEnable No Boolean

Whether SNAT (source IP replacement) is enabled, True (enabled), False (disabled). Disabled by default. Note: When SnatEnable is enabled, the client source IP will be replaced. At this point, the Pass through client source IP option is disabled, and vice versa.

3. Output Parameters

Parameter Name Type Description
TargetGroupId String

Generated id after target group creation

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 Creating a Target Group

This example shows you how to create a target group.

Input Example

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

{
    "TargetGroupName": "targetgroup-****",
    "VpcId": "vpc-lkdo****"
}

Output Example

{
    "Response": {
        "RequestId": "f4ab1513-d0b8-4cf2-9836-a600a7f77d2f",
        "TargetGroupId": "lbtg-e2ft****"
    }
}

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.
InternalError Internal error.
InvalidParameter Parameter error.
InvalidParameter.FormatError Incorrect parameter format.
InvalidParameterValue Parameter value error.
LimitExceeded The quota limit is exceeded.
UnauthorizedOperation Unauthorized operation.

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