CreateRule

最后更新时间：2025-11-25 10:11:24

CreateRule

最后更新时间： 2025-11-25 10:11:24

1. API Description

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

This API is used to create forwarding rules under an existing layer-7 CLB listener. In layer-7 CLB listeners, backend services must be bound to rules instead of the listener.
This is an asynchronous API. After it returns the result successfully, you can call the DescribeTaskStatus API with the returned RequestId as an input parameter to query whether the task is successful.

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: CreateRule.
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.
LoadBalancerId	Yes	String	ID of the cloud load balancer instance. you can call the DescribeLoadBalancers API to obtain the ID.
ListenerId	Yes	String	Specifies the listener ID, which can be obtained through the DescribeListeners api.
Rules.N	Yes	Array of RuleInput	Information of the new forwarding rule

3. Output Parameters

Parameter Name	Type	Description
LocationIds	Array of String	Array of unique IDs of created forwarding rules
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 forwarding rule

Input Example

https://clb.intl.tencentcloudapi.com/?Action=CreateRule
&LoadBalancerId=lb-cuxw2rm0
&ListenerId=lbl-4fbxq45k
&Rules.0.Domain=foo.net
&Rules.0.Url=/bar
&<Common request parameters>

Output Example

{
    "Response": {
        "LocationIds": [
            "loc-ho6lvh8m"
        ],
        "RequestId": "6c915c06-53e0-4717-9358-09b32cf47f08"
    }
}

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.
FailedOperation.ResourceInOperating	The specified resource is currently being operated. Please try again later.
InternalError	Internal error.
InvalidParameter	Parameter error.
InvalidParameter.FormatError	Wrong parameter format.
InvalidParameterValue	Incorrect parameter value.
InvalidParameterValue.Length	Wrong parameter length.
LimitExceeded	Quota exceeded.
MissingParameter	Missing parameter.
ResourceInsufficient	Insufficient resources.
UnauthorizedOperation	Unauthorized operation.

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