DescribeRegions - Server Load Balancer - Alibaba Cloud Documentation Center

Queries regions that support Network Load Balancer (NLB) instances.

Debugging

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Debug

Authorization information

There is currently no authorization information disclosed in the API.

Request parameters

Parameter	Type	Required	Description	Example

Parameter	Type	Required	Description	Example
ServiceCode	string	No	The service code. Set the value to nlb.	nlb
AcceptLanguage	string	No	The supported natural language. Valid values: zh-CN: Chinese en-US (default): English ja: Japanese	en-US
ClientToken	string	No	The client token used to ensure the idempotence of the request. You can use the client to generate this value. Ensure that the value is unique among all requests. Only ASCII characters are allowed. Note If you do not specify this parameter, the value of RequestId is used.** RequestId** of each request is different.	123e4567-e89b-12d3-a456-426655440000

Response parameters

Parameter	Type	Description	Example

Parameter	Type	Description	Example
	object	RpcResponse
RequestId	string	The ID of the request.	CEF72CEB-54B6-4AE8-B225-F876FF7BA984
Regions	array<object>	A list of regions.
Region	object	The list of regions.
LocalName	string	The name of the region.	us-east-1
RegionEndpoint	string	The endpoint of the region service.	nlb.cn-hangzhou.aliyuncs.com
RegionId	string	The ID of the region.	cn-hangzhou

Examples

Sample success responses

JSONformat

            
            
          
{
  "RequestId": "CEF72CEB-54B6-4AE8-B225-F876FF7BA984",
  "Regions": [
    {
      "LocalName": "us-east-1",
      "RegionEndpoint": "nlb.cn-hangzhou.aliyuncs.com",
      "RegionId": "cn-hangzhou"
    }
  ]
}

Error codes

HTTP status code	Error code	Error message

HTTP status code	Error code	Error message
400	SystemBusy	System is busy, please try again later.
400	IllegalParam	The param of %s is illegal.

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation

Change time	Summary of changes	Operation
2024-01-22	The Error code has changed	View Change Details
2023-09-26	The Error code has changed	View Change Details