Updated on 2026-05-30 GMT+08:00

Resetting an Account Password (a V3 API)

Function

This API is used to reset the password of an account.

Constraints

None

API Calling

For details, see Calling APIs.

Authorization Information

Each account has permissions to call all APIs, but IAM users must have the required permissions specifically assigned.

  • If you are using identity policy-based authorization, the following identity policy-based permissions are required.

    Action

    Access Level

    Resource Type (*: required)

    Condition Key

    Alias

    Dependencies

    ddm:instance:updateUser

    Write

    instance *

    • g:EnterpriseProjectId

    • g:ResourceTag/<tag-key>

    ddm:user:modify

    -

URI

POST /v3/{project_id}/instances/{instance_id}/users/{username}/password

Table 1 URI parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

Project ID of a tenant in a region

To obtain this value, see Obtaining a Project ID.

Constraints

N/A

Range

The value can contain 32 characters. Only letters and digits are supported.

Default Value

N/A

instance_id

Yes

String

Definition

Instance ID, which uniquely identifies an instance

Constraints

N/A

Range

The value contains 36 characters with a suffix of in09. Only letters and digits are allowed.

Default Value

N/A

username

Yes

String

Definition

Name of the account whose password needs to be reset

Constraints

N/A

Range

N/A

Default Value

N/A

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Definition

User token.

Constraints

N/A

Range

N/A

Default Value

N/A

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

password

Yes

String

Definition

Instance account password

Constraints

  • The password can include 8 to 32 characters.

  • The password must contain at least three types of lowercase letters, uppercase letters, digits, swung dashes (~), and exclamation marks (!). @ # / %^ * - _ + ?

  • The password cannot be a weak password. It cannot be overly simple and easily guessed.

  • The password cannot be the same as username or username in reverse order.

Range

N/A

Default Value

N/A

Example Request

Resetting the password of an account

POST https://{endpoint}/v3/619d3e78f61b4be68bc5aa0b59edcf7b/instances/61a4ea66210545909d74a05c27a7179ein09/users/testuser/password

{
  "password" : "xxxxxx"
}

Response Parameters

  • Normal response

    None

Example Response

  • Normal response example
{ }

Status Code

Error Codes

For details, see Error Codes.