Use DescribeReservedInstancesOfferings to get a list of Reserved Instance offerings that match your specifications. After you've purchased a Reserved Instance, you can check for your new Reserved Instance with DescribeReservedInstances.
Version: (assembly version)
public virtual PurchaseReservedInstancesOfferingResponse PurchaseReservedInstancesOffering( PurchaseReservedInstancesOfferingRequest request )
Container for the necessary parameters to execute the PurchaseReservedInstancesOffering service method.
Supported in: 4.5, 4.0, 3.5