Last updated: 2019-09-09 12:20:58

1. API Description

API domain name:

This API modifies instance parameters.

Default API request rate limit: 20 requests/sec.

Note: This API supports financial availability zones. Because financial availability zones and non-financial availability zones are isolated, if the common parameter Region specifies a financial availability zone (e.g., ap-shanghai-fsi), you need to specify a domain name with the financial availability zone as well, which preferably in the same region as the specified Region, for example:

2. Input Parameters

The following parameters are required for requesting this API, including action-specific parameters and common parameters. For more information about common parameters for all requests, see Common Request Parameters.

Parameter name Required Type Description
Action Yes String Common parameter; the name of this API: ModifyInstanceParams
Version Yes String Common parameter; the version of this API: 2018-04-12
Region Yes String Common parameters; for details, see the List of Regions supported by the product.
InstanceId Yes String Instance ID
InstanceParams.N Yes Array of InstanceParam List of instance parameters modified

3. Output Parameters

Parameter name Type Description
Changed Boolean Whether the modification is successfully made.
RequestId String The ID of the request. Each request returns a unique ID. The RequestId is required to troubleshoot issues.

4. Sample

Sample 1. Modifying Instance Parameters

Input Sample Code
&<Common request parameter>

Output Sample Code

  "Response": {
    "Changed": true,
    "RequestId": "e546784b-709c-401d-aba6-73037eb4e522"

5. Developer Resources

API Explorer

API Explorer is a tool that provides ease of use in requesting APIs, authenticating identities, generating SDK and exploring APIs in Tencent Cloud environment.


TencentCloud API 3.0 integrates software development toolkits (SDKs) that support various programming languages to make it easier for you to call the APIs.


6. Error Codes

The following error codes are API business logic-related. For other error codes, see Common Error Codes.

Error Code Description
FailedOperation.UnSupportError The instance does not support this API.
InternalError.DbOperationFailed Internal database operation (e.g., update, insert, or select) errors.
InternalError.InternalError Internal error.
InvalidParameter Parameter error
InvalidParameter.PermissionDenied The API has no CAM permissions.
ResourceUnavailable.CallOssError Failed to call the backend API.
ResourceUnavailable.InstanceConfError Error with the instance configuration.
UnauthorizedOperation Unauthorized operation.
UnauthorizedOperation.NoCAMAuthed The operation performed is not authorized by CAM.
UnauthorizedOperation.UserNotInWhiteList The user is not on the whitelist.