You can perform the following operations by calling the Elastic IP Address (EIP) API. The endpoint of the EIP API is vpc.aliyuncs.com. For more information, see the EIP documentation of Virtual Private Cloud (VPC).

API Description
AllocateEipAddress Applies for an EIP.
AllocateEipAddressPro Applies for a specified EIP.
AllocateEipSegmentAddress Applies for a group of continuous EIPs.
AssociateEipAddress Associates an EIP with a cloud service in the same region.
UnassociateEipAddress Disassociates an EIP from a cloud service.
DescribeEipAddresses Queries the EIPs that have been created in the specified region.
DescribeEipSegment Queries groups of continuous EIPs.
DescribeEipGatewayInfo Queries the gateway and subnet mask information about a specified EIP.
DescribeEipMonitorData Queries monitoring information about a specified EIP.
ModifyEipAddressAttribute Modifies the name, description, and maximum bandwidth of a specified EIP.
ReleaseEipAddress Releases a specified EIP.
ReleaseEipSegmentAddress Releases a group of continuous EIPs.
MoveResourceGroup Modifies the resource group to which a specified cloud resource belongs.