ModifyLoadBalancerSla

Last updated: 2025-11-25 10:11:09

ModifyLoadBalancerSla

Last updated: 2025-11-25 10:11:09

1. API Description

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

This API is used to adjust the performance capacity specification of usage-based billing mode instances, for example upgrading from shared type to performance capacity type or modifying the specification of LCU-supported instances.
This API is used to set use limits.
-This API only supports adjustments for pay-as-you-go CLB instances. For CLB instance upgrades with annual/monthly subscription, make adjustments through the console.
-After upgrading from a shared instance to a performance and capacity instance, reverting to a shared instance is not supported.
-A classic CLB instance does not support upgrading to a performance and capacity instance.

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: ModifyLoadBalancerSla.
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.
LoadBalancerSla.N	Yes	Array of SlaUpdateParam	CLB instance information.
Force	No	Boolean	Whether to force upgrade. The default is no.

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 Instance Specification Adjustment

This example shows you how to upgrade a pay-as-you-go shared instance to a performance and capacity instance, or adjust the specification of an LCU-supported instance, with the SlaType customized as needed to determine the final instance specification.

Input Example

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

{
    "LoadBalancerSla": [
        {
            "SlaType": "clb.c3.medium",
            "LoadBalancerId": "lb-db2n****"
        }
    ]
}

Output Example

{
    "Response": {
        "RequestId": "c1157c81-f3dc-4f2a-9346-76f161d548eb"
    }
}

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.
InternalError	Internal error.
InvalidParameter	Parameter error.
InvalidParameter.FormatError	Wrong parameter format.
InvalidParameter.LBIdNotFound	Wrong CLB instance ID.
InvalidParameter.ListenerIdNotFound	Wrong listener ID.
ResourceInsufficient	Insufficient resources.
UnauthorizedOperation	Unauthorized operation.

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