Help Center/ Organizations/ API Reference/ APIs/ Managing OUs/ Listing the Roots of an Organization
Updated on 2026-07-29 GMT+08:00

Listing the Roots of an Organization

Function

This API is used to list the roots of an organization. It can be called only from the organization's management account or from a member account that is a delegated administrator for a cloud service.

Debugging

You can debug this API through automatic authentication in API Explorer or use the SDK sample code generated by API Explorer.

Authorization Information

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

  • If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
  • 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

    organizations:roots:list

    List

    -

    -

    -

    -

URI

GET /v1/organizations/roots

Table 1 Query Parameters

Parameter

Mandatory

Type

Description

limit

No

Integer

Maximum number of results on the page. If the limit is not specified, the default value is 1,000.

marker

No

String

Definition

Pagination marker.

Constraints

N/A

Range

The value must comply with the regular expression ^[A-Za-z0-9+/=-_.]+$.

The value contains 4 to 400 characters.

Default Value

No default value

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Security-Token

No

String

Definition

Security token (session token) of your temporary security credentials. If a temporary security credential is used, this header is required.

Constraints

N/A

Range

The value contains 0 to 32,768 characters.

Default Value

No default value

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

roots

Array of RootDto objects

Definition

List of roots defined in an organization.

Constraints

Mandatory

Range

N/A

Default Value

No default value

page_info

PageInfoDto object

Definition

Pagination information.

Constraints

N/A

Range

N/A

Default Value

No default value

Table 4 RootDto

Parameter

Type

Description

id

String

Definition

Unique ID of a root.

Constraints

Mandatory

Range

The value must comply with the regular expression ^r-[0-9a-z]{4,32}$.

The value contains 1 to 34 characters.

Default Value

No default value

urn

String

Definition

Uniform resource name of the root

Constraints

Mandatory

Range

The value contains 1 to 1,500 characters.

Default Value

No default value

name

String

Definition

Name of the root.

Constraints

Mandatory

Range

The value must comply with the regular expression ^[a-zA-Z][0-9a-zA-Z_-]+$.

The value contains 1 to 64 characters.

Default Value

No default value

policy_types

Array of PolicyTypeSummaryDto objects

Definition

Policy types that are currently enabled for the root. The policies of these types can be attached to the root or to its OUs or accounts.

Constraints

Mandatory

Range

None

Default Value

No default value

created_at

String

Definition

Time when a root was created.

Constraints

Mandatory

Range

The value must be in ISO 8601 format.

Default Value

No default value

Table 5 PolicyTypeSummaryDto

Parameter

Type

Description

status

String

Definition

Status of the policy type associated with a root. To attach a policy of a specified type to a root or an OU or account in the root, the policy must be available in the organization and enabled for the root. It can be enabled, pending_enable, disabled, or pending_disable.

Constraints

Mandatory

Range

The value contains 1 to 64 characters.

Default Value

No default value

type

String

Definition

Name of a policy type. The value can be service_control_policy or tag_policy.

Constraints

Mandatory

Range

The value contains 1 to 64 characters.

Default Value

No default value

Table 6 PageInfoDto

Parameter

Type

Description

next_marker

String

Definition

Marker for the next set of results. If present, more output is available than is included in the current response. Use this value in the marker request parameter in a subsequent call to the operation to get the next part of the output. You should repeat this until the next_marker response element comes back as null.

Constraints

Mandatory

Range

The value must comply with the regular expression ^[A-Za-z0-9+/=-_]+$.

Default Value

No default value

current_count

Integer

Definition

Number of records returned on this page.

Constraints

N/A

Range

The value ranges from 1 to 2000.

Default Value

No default value

Example Requests

Listing the roots of an organization

GET https://{endpoint}/v1/organizations/roots

Example Responses

Status code: 200

Successful.

{
  "roots" : [ {
    "id" : "r-rpjghpbmumu2hffplsj5edt1z3vybb94",
    "urn" : "organizations::0a6d25d23900d45c0faac010e0fb4de0:root:o-fhkmi6mek7wlqdp6nideqhb47qwtjdsv/r-rpjghpbmumu2hffplsj5edt1z3vybb94",
    "name" : "root",
    "policy_types" : [ {
      "status" : "enabled",
      "type" : "service_control_policy"
    } ],
    "created_at" : "2022-08-24T06:31:46Z"
  } ],
  "page_info" : {
    "next_marker" : "ou-taowxgy4xbme6m4x3c2iijbxw7yj8fcw",
    "current_count" : 100
  }
}

Status Codes

Status Code

Description

200

Successful.

Error Codes

See Error Codes.