Grants the permission of a network instance to a CEN instance.


Before you can attach a network instance under an account to a CEN instance under another account, you must use this API to authorize the CEN instance from the account where the network instance is located.

Note When you call this API, you must use as the domain name. The API version is the one released on April 28, 2016.


Use OpenAPI Explorer to perform debug operations and generate SDK code examples.

Request parameters

Parameter Type Required? Example value Description
Action String Yes GrantInstanceToCen

The name of this action. Value: GrantInstanceToCen.

CenId String Yes cen-7qthudw0ll6jmc****

The ID of the CEN instance to be authorized.

CenOwnerId Long Yes 123456789

The UID of the account to which the CEN instance belongs.

InstanceId String Yes vpc-uf6o8d1dj8sjwxi6o****

The ID of the network instance.

InstanceType String Yes VPC

The type of the network instance. Valid values:

  • VPC: VPC
  • VBR: VBR
  • CCN: CCN
RegionId String Yes cn-hangzhou

The ID of the region to which the network instance belongs.

ClientToken String No 0c593ea1-3bea-11e9-b96b-88e9fe637760

The client token that guarantees the idempotence of the request. The value of this parameter is generated by the client. The value must be unique among different requests and must be 1 to 64 ASCII characters in length.

Response parameters

Parameter Type Example value Description
RequestId String 473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E

The ID of the request.


Request example

http(s)://[Endpoint]/? Action=GrantInstanceToCen

Response example

XML format


JSON format



For a list of error codes, visit the API Error Center.