DescribeLoadBalancers

1. API Description

This API (DescribeLoadBalancers) is used to query the list of load balancer instances.

2. Input Parameters

The following request parameter list only provides API request parameters.

Parameter Name	Required	Type	Description
regionId	No	String	Region ID.
vpcId	No	String	Filter by the VPC ID to which the load balance backend server belongs.
loadBalancerIds	No	Array of String	ID list of the load balance instance. The maximum number of instance IDs is 100.
loadBalancerName	No	String	Load balance instance name. Add * at the end to support fuzzy matching.
pageSize	No	Integer	Number of items in the current page result. Default value: 20; Maximum value: 1000.
pageNum	No	Integer	Page number of the current page result. Default value: 1
resourceGroupId	No	String	Resource Group ID.
tagKeys	No	Array of String	Query using tag keys. A maximum of 20 tag keys can be used.
tags	No	Array of Tag	Query using tags. A maximum of 20 tags can be used.
securityGroupId	No	String	Security group ID. You can call DescribeSecurityGroups to obtain details.

3. Output Parameters

Parameter Name	Type	Description
requestId	String	The unique request ID, which is returned for each request. RequestId is required for locating a problem.
totalCount	Integer	The total number of load balance instances that meet the filtering conditions.
dataSet	Array of LoadBalancer	The returned list of load balance instances.

4. Code Example

Example

Query the list of load balancer instances.

POST /api/v2/zlb HTTP/1.1
Host: console.zenlayer.com
Content-Type: application/json
X-ZC-Action: DescribeLoadBalancers
<Common Request Params>

Request：
{
}

Response：
{
    "requestId": "TC073A2C6-3923-48AD-960F-446CBF303A2A",
    "response": {
        "requestId": "TC073A2C6-3923-48AD-960F-446CBF303A2A",
        "totalCount": 6,
        "dataSet": [
            {
                "loadBalancerId": "<loadBalancerId>",
                "listenerCount": 0,
                "regionId": "asia-east-1",
                "publicIpAddress": [
                    "128.xx.xx.1"
                ],
                 "privateIpAddress": [
                    "10.xx.xx.1"
                ],
                "securityGroupId":"<your sec id>",
                "healthCheckPrivateIps": [
                    "128.xx.xx.100",
                    "128.xx.xx.101",
                ],
                "resourceGroup": {
                  "resourceGroupName": "Default Resource Group",
                  "resourceGroupId": "<resourceGroupId>"
                },
                "createTime": "2025-04-01T01:01:01Z",
                "loadBalancerName": "sample-load-balancer",
                "vpcId": "<vpcId>",
                "status": "RUNNING",
                "tags":null
              }
        ]
    }
}

5. Developer Resources

Zenlayer Cloud API 2.0 integrates SDKs，to make it easier for you to call APIs. More programming languages will be supported.

6. Error Codes

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

HTTP Status Code	Error Code	Description