Last updated: 2020-03-16 17:04:14


1. API Description

Domain name for API request:

This API is used to query the list of CLB instances in a region.

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: DescribeLoadBalancers.
Version Yes String Common parameter. The value used for this API: 2018-03-17.
Region Yes String Common parameter. For more information, please see the list of regions supported by the product.
LoadBalancerIds.N No Array of String CLB instance ID.
LoadBalancerType No String CLB instance network type:
OPEN: public network; INTERNAL: private network.
Forward No Integer CLB instance type. 1: generic CLB instance; 0: classic CLB instance
LoadBalancerName No String CLB instance name.
Domain No String Domain name assigned to a CLB instance by Tencent Cloud. This parameter is meaningful only for the public network classic CLB.
LoadBalancerVips.N No Array of String VIP address of a CLB instance (there can be multiple addresses)
BackendPublicIps.N No Array of String Public IP of the real server bound to a CLB.
BackendPrivateIps.N No Array of String Private IP of the real server bound to a CLB.
Offset No Integer Data offset. Default value: 0.
Limit No Integer Number of returned CLB instances. Default value: 20. Maximum value: 100.
OrderBy No String Sort by parameter. Value range: LoadBalancerName, CreateTime, Domain, LoadBalancerType.
OrderType No Integer 1: reverse; 0: sequential. Default value: reverse by creation time |
SearchKey No String Search field which fuzzy matches name, domain name, or VIP.
ProjectId No Integer ID of the project to which a CLB instance belongs, which can be obtained through the DescribeProject API.
WithRs No Integer Whether a CLB instance is bound to a real server. 0: no; 1: yes; -1: query all.
VpcId No String VPC where a CLB instance resides, such as vpc-bhqkbhdx.
Basic network does not support queries by VpcId.
SecurityGroup No String Security group ID, such as sg-m1cc9123
MasterZone No String Master AZ, such as "100001" (Guangzhou Zone 1)

3. Output Parameters

Parameter Name Type Description
TotalCount Integer Total number of CLB instances that meet the filter criteria. This value is independent of the Limit in the input parameter.
LoadBalancerSet Array of LoadBalancer Array of returned CLB instances.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. 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

5. 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.
InvalidParameterValue Wrong parameter value.
InvalidParameterValue.InvalidFilter Incorrect Filter parameter.
InvalidParameterValue.Length Wrong parameter length.
UnauthorizedOperation Unauthorized operation.