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Elastic Compute ServiceElastic Compute ServiceAPI ReferenceRegions and availability zonesDescribeZones - Queries availability zones
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Download PDFRegions and availability zones
DescribeZones - Queries availability zones
Copy pageDownload PDFDescribeZones - Queries availability zones
Call the DescribeZones operation to query the availability zones in a region.
Debugging
API Explorer
You can initiate calls online through API Explorer without paying attention to the signature generation process and quickly obtain the call results.
Request parameters
Only the request parameters specific to this operation and some common parameters are listed below. For more information, refer to Common parameters.
Action string required Sample value: DescribeZones
The operation that you want to perform. Value: DescribeZones.
Version string required Sample value: 2020-04-01
The version of the API. Valid value: 2020-04-01.
ZoneIds.N string[] Optional Sample value: ZoneIds.1=cn-beijing-a
The availability zone ID. Up to 20 availability zone IDs are supported.
- Argument - N: specifies the serial number of the availability zone ID.
- Separate multiple availability zone IDs with &.
Response parameters
Only the response parameters specific to this operation are listed below. For more information, refer to the response structure.
Zones object[] Sample value: --
The availability zone information.
ZoneId string Sample value: cn-beijing-a
The availability zone ID.
Sample request
GET /?Action=DescribeZones&Version=2020-04-01 HTTP/1.1
Host: ecs.cn-beijing.volcengineapi.com
Region: cn-beijing
Service: ecs
Sample response
{
"ResponseMetadata": {
"RequestId": "202106111445100102252431000052****",
"Action": "DescribeZones",
"Version": "2020-04-01",
"Service": "ecs",
"Region": "cn-beijing"
},
"Result": {
"Zones": [
{
"ZoneId": "cn-beijing-a"
},
{
"ZoneId": "cn-beijing-b"
}
]
}
}
Error codes
The table below lists the business-related error codes of the operation. For more information, refer to Common error codes.
Status code | Error code | Error message | Description |
Status code | Error code | Error message | Description |
400 | InvalidArgument | The specified argument is invalid. | The specified parameter is invalid. |
400 | LimitExceeded.MaximumZoneIds | You've reached the limit on the number of ZoneIds that you can set. | The number of specified zone IDs exceeds the upper limit. |
404 | InvalidZone.NotFound | The specified zone does not exist. | The specified availability zone does not exist. |
429 | FlowLimitExceeded | You've reached the limit on request rate of resources. | Resource request rate exceeds the limit. |
500 | InternalError | An internal error has occurred. | An internal error occurred. Try again. If multiple attempts fail, submit a ticket. |
Last updated: 2026.06.18 17:48:24
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