Help Center/ IAM Identity Center/ API Reference/ API/ Instance Management/ Selecting a Region for Enabling a Service Instance
Updated on 2025-11-27 GMT+08:00
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Selecting a Region for Enabling a Service Instance

Function

This API is used to select a region where an IAM Identity Center service instance is to be enabled. It can be called only from the organization's management account.

URI

POST /v1/register-regions

Request Parameters

Table 1 Parameters in the request header

Parameter

Mandatory

Type

Description

X-Security-Token

No

String

Security token (session token) of your temporary security credentials. If a temporary security credential is used, this header is required.
Table 2 Parameters in the request body

Parameter

Mandatory

Type

Description

region_id

Yes

String

Region ID.

Response Parameters

Status code: 200

Successful

Status code: 400

Table 3 Parameters in the response body

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

request_id

String

Unique ID of a request.

Status code: 403

Table 4 Parameters in the response body

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

request_id

String

Unique ID of a request.

encoded_authorization_message

String

Encrypted error message.

Status code: 409

Table 5 Parameters in the response body

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

request_id

String

Unique ID of a request.

Example Request

Selecting a region where an IAM Identity Center service instance is to be enabled

POST https://{hostname}/v1/regions/register

{
  "region_id" : "cn-north-4"
}

Example Response

None

Status Codes

Status Code

Description

200

Successful.

400

Bad request.

403

Forbidden.

409

Conflict.

Error Codes

For details, see Error Codes.

Parent topic: Instance Management