tencent cloud



Last updated: 2022-08-26 10:50:36

1. API Description

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

This API is used to query the information of instance launch template versions.

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: DescribeLaunchTemplateVersions.
Version Yes String Common Params. The value used for this API: 2017-03-12.
Region Yes String Common Params. For more information, please see the list of regions supported by the product.
LaunchTemplateId Yes String The launch template ID
LaunchTemplateVersions.N No Array of Integer List of instance launch templates.
MinVersion No Integer The minimum version number specified, which defaults to 0.
MaxVersion No Integer The maximum version number specified, which defaults to 30.
Offset No Integer The offset. Default value: 0. For more information on Offset, see the relevant sections in API Introduction.
Limit No Integer The number of returned results. Default value: 20. Maximum value: 100. For more information on Limit, see the relevant sections in API Introduction.
DefaultVersion No Boolean Specify whether to query the default version. This parameter and LaunchTemplateVersions cannot be specified at the same time.

3. Output Parameters

Parameter Name Type Description
TotalCount Integer Total number of instance launch templates.
LaunchTemplateVersionSet Array of LaunchTemplateVersionInfo Set of instance launch template versions.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Querying instance launch template versions

Input Example

GET https://cvm.tencentcloudapi.com/?Action=DescribeLaunchTemplateVersions
&<Common request parameters>

Output Example

    "Response": {
        "TotalCount": 1,
        "LaunchTemplateVersionSet": [
                "LaunchTemplateVersion": 1,
                "LaunchTemplateVersionData": {
                    "VirtualPrivateCloud": {
                        "SubnetId": "subnet-he88kvqu",
                        "AsVpcGateway": false,
                        "Ipv6AddressCount": 0,
                        "VpcId": "vpc-dcteo7jd"
                    "InstanceCount": 1,
                    "Placement": {
                        "ProjectId": 0,
                        "Zone": "ap-guangzhou-2"
                    "SystemDisk": {
                        "DiskSize": 50,
                        "DiskType": "CLOUD_PREMIUM"
                    "ImageId": "img-8toqc6s3",
                    "InstanceChargeType": "POSTPAID_BY_HOUR",
                    "EnhancedService": {
                        "SecurityService": {
                            "Enabled": true
                        "MonitorService": {
                            "Enabled": true
                    "SecurityGroupIds": [
                    "InternetAccessible": {
                        "PublicIpAssigned": true,
                        "InternetChargeType": "TRAFFIC_POSTPAID_BY_HOUR",
                        "InternetMaxBandwidthOut": 100
                    "InstanceName": "lt_test",
                    "InstanceType": "S1.SMALL2",
                    "DataDisks": [
                            "Encrypt": false,
                            "DeleteWithInstance": true,
                            "KmsKeyId": "",
                            "DiskSize": 50,
                            "DiskType": "CLOUD_PREMIUM"
                            "Encrypt": true,
                            "DeleteWithInstance": true,
                            "KmsKeyId": "",
                            "DiskSize": 60,
                            "DiskType": "CLOUD_PREMIUM"
                "CreationTime": "2020-12-17T01:54:31Z",
                "LaunchTemplateId": "lt-b8v1kcyq",
                "IsDefaultVersion": true,
                "LaunchTemplateVersionDescription": "",
                "CreatedBy": "251009920"
        "RequestId": "b2da6ace-add1-48dc-ae73-6fc1eed95f1d"

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
InternalError Internal error.
InternalServerError Internal error.
InvalidParameter A parameter error occurred.
InvalidParameterCombination The parameter combination is invalid.
InvalidParameterValue Incorrect parameter value.
InvalidParameterValue.LaunchTemplateIdMalformed Incorrect format of instance launch template ID.
InvalidParameterValue.LaunchTemplateIdNotExisted The instance launch template ID does not exist.
InvalidParameterValue.LaunchTemplateIdVerNotExisted The combination of the template and the version ID does not exist.
InvalidParameterValue.LaunchTemplateNotFound The instance launch template is not found.
InvalidParameterValue.LaunchTemplateVersion Invalid instance launch template version number.
InvalidParameterValue.LimitExceeded The number of parameter values exceeds the limit.
InvalidParameterValue.NotSupported Unsupported operation.
MissingParameter Missing parameter.
UnauthorizedOperation.MFAExpired Unauthorized operation. Make sure Multi-Factor Authentication (MFA) is valid.
UnauthorizedOperation.MFANotFound Unauthorized operation. Make sure Multi-Factor Authentication (MFA) exists.
UnknownParameter Unknown parameter error.
UnsupportedOperation Unsupported operation.
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