Releases the specified Elastic IP address.
After releasing an Elastic IP address, it is released to the IP address
pool and might be unavailable to you. Be sure to update your DNS records and any
servers or devices that communicate with the address. If you attempt to release
an Elastic IP address that you already released, you'll get an
AuthFailure error if the address is already allocated to
another AWS account.
[EC2-Classic, default VPC] Releasing an Elastic IP address automatically disassociates it from any instance that it's associated with. To disassociate an Elastic IP address without releasing it, use DisassociateAddress.
[Nondefault VPC] You must use DisassociateAddress to disassociate the Elastic IP
address before you try to release it. Otherwise, Amazon EC2 returns an error
The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see Common Query Parameters.
[EC2-VPC] The allocation ID. Required for EC2-VPC.
Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is
DryRunOperation. Otherwise, it is
[EC2-Classic] The Elastic IP address. Required for EC2-Classic.
The following elements are returned by the service.
The ID of the request.
trueif the request succeeds, and an error otherwise.
For information about the errors that are common to all actions, see Common Errors.
Example for EC2-Classic
This example releases the specified Elastic IP address for EC2-Classic.
https://ec2.amazonaws.com/?Action=ReleaseAddress &PublicIp=192.0.2.1 &AUTHPARAMS
Example for EC2-VPC
This example releases the specified Elastic IP address for EC2-VPC.
https://ec2.amazonaws.com/?Action=ReleaseAddress &AllocationId=eipalloc-5723d13e &AUTHPARAMS
For more information about using this API in one of the language-specific AWS SDKs, see the following: