Elastic Compute Service
Elastic Compute Service
Elastic Compute Service
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- Documentation
Elastic Compute ServiceElastic Compute ServiceAPI ReferenceInstancesDescribeInstanceTypeFamilies - Queries instance type families
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Download PDFInstances
DescribeInstanceTypeFamilies - Queries instance type families
Copy pageDownload PDFDescribeInstanceTypeFamilies - Queries instance type families
Call the DescribeInstanceTypeFamilies operation to query information about instance type families provided by ECS.
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
The table below lists only the request parameters specific to this operation and some common parameters. For more information, refer to Common parameters.
Action string required Sample value: DescribeInstanceTypeFamilies
The operation that you want to perform. Valid value: DescribeInstanceTypeFamilies.
Version string required Sample value: 2020-04-01
The version of the API. Valid value: 2020-04-01.
Generation string Optional Sample value: ecs-1
The generation of instance type families. Valid values:
- ecs-1: The 1st-generation instance type.
- ecs-2: The 2nd-generation instance type.
- ecs-3: The 3rd-generation instance type.
ZoneId string Optional Sample value: cn-beijing-a
The ID of the availability zone where the instance is located.
Response parameters
Only the response parameters specific to this operation are listed below. For more information, refer to the response structure.
InstanceTypeFamilies object[] Sample value: --
The information about instance type families.
Generation string Sample value: ecs-2
The generation of instance type families.
InstanceTypeFamily string Sample value: ecs.g2i
The instance type family.
ZoneIds string[] Sample value: cn-beijing-a
The availability zone ID where the instance type families are located.
Sample request
GET /?Action=DescribeInstanceTypeFamilies&Version=2020-04-01&ZoneId=cn-beijing-a HTTP/1.1
Host: ecs.cn-beijing.volcengineapi.com
Region: cn-beijing
Service: ecs
Sample response
{
"ResponseMetadata": {
"RequestId": "202106111445100102252431000052****",
"Action": "DescribeInstanceTypeFamilies",
"Version": "2020-04-01",
"Service": "ecs",
"Region": "cn-beijing"
},
"Result": {
"InstanceTypeFamilies": [
{
"InstanceTypeFamily": "ecs.c1ie",
"ZoneIds": [
"cn-beijing-a"
],
"Generation": "ecs-1"
},
{
"InstanceTypeFamily": "ecs.g2i",
"ZoneIds": [
"cn-beijing-a"
],
"Generation": "ecs-2"
}
]
}
}
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 codes | Error message | Description |
404 | InvalidZone.NotFound | The specified zone does not exist. | The specified availability zone does not exist. |
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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