tencent cloud



Last updated: 2023-08-18 14:28:18

1. API Description

Domain name for API request: ecm.tencentcloudapi.com.

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

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: DescribeLoadBalancers.
Version Yes String Common Params. The value used for this API: 2019-07-19.
Region No String Common Params. This parameter is not required for this API.
EcmRegion No String Region. If this parameter is not specified, the information of all regions will be queried by default.
LoadBalancerIds.N No Array of String CLB instance ID.
LoadBalancerName No String CLB instance name.
LoadBalancerVips.N No Array of String VIP address of the CLB instance. There can be multiple addresses.
BackendPrivateIps.N No Array of String Private IP of the real server bound to the CLB.
Offset No Integer Data offset. Default value: 0.
Limit No Integer Number of returned CLB instances. Default value: 20. Maximum value: 100.
WithBackend No Integer Whether the CLB instance is bound to a real server. 0: no; 1: yes; -1: query all.
If this parameter is not specified, all will be queried by default.
VpcId No String Unique VPC ID of the CLB instance, such as vpc-bhqkbhdx.
Filters.N No Array of Filter Each request can contain up to 10 Filters and 100 Filter.Values. The detailed filters are as follows:
tag-key - String - Required: no - (Filter) Filter by tag key.
SecurityGroup No String Security group.

3. Output Parameters

Parameter Name Type Description
TotalCount Integer Total number of eligible CLB instances. This value is independent of the Limit in the input parameter.
Note: this field may return null, indicating that no valid values can be obtained.
LoadBalancerSet Array of LoadBalancer Array of returned CLB instances.
Note: this field may return null, indicating that no valid values can be obtained.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Querying CLB instance list

Input Example

&<Common request parameters>

Output Example

    "Response": {
        "RequestId": "8d42288f-3fad-473a-93e6-cab5b219af8e",
        "LoadBalancerSet": [
                "Status": 1,
                "StatusTime": "2020-07-28 10:58:08",
                "VpcId": "vpc-pugaiwf9",
                "LoadBalancerVips": [
                "VipIsp": "CUCC",
                "CreateTime": "2020-07-28 10:58:06",
                "LoadBalancerId": "lb-a8q643wj",
                "LoadBalancerName": "test",
                "LoadBalancerType": "OPEN",
                "Region": "xx",
                "Position": {
                    "Province": {
                        "ProvinceId": "xx",
                        "ProvinceName": "xx"
                    "City": {
                        "CityId": "xx",
                        "CityName": "xx"
                    "Area": {
                        "AreaId": "xx",
                        "AreaName": "xx"
                    "Country": {
                        "CountryName": "xx",
                        "CountryId": "xx"
                    "ZoneInfo": {
                        "ZoneName": "xx",
                        "Zone": "xx",
                        "ZoneId": 0
                    "RegionInfo": {
                        "Region": "xx",
                        "RegionId": 0,
                        "RegionName": "xx"
                "Tags": [
                        "TagValue": "test",
                        "TagKey": "test"
                "NetworkAttributes": {
                    "InternetMaxBandwidthOut": 100
        "TotalCount": 1

5. Developer Resources


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
AuthFailure.UnauthorizedOperation Authentication failed.
FailedOperation.InternalOperationFailure Internal error.
InvalidParameter.FormatError The parameter format is incorrect.
InvalidParameter.InvalidDataFormat The data format is incorrect.
InvalidParameter.RegionNotFound The region is invalid.
InvalidParameterValue.InvalidFilter The filter is invalid.
InvalidParameterValue.InvalidPublicParam The common parameter is invalid.
InvalidParameterValue.Length The parameter length is incorrect.
InvalidParameterValue.Range The parameter value is not in the specified range.
UnauthorizedOperation.ForbiddenOperation You don't have the permission to perform this operation.
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