The following table lists the API operations available for use in Dedicated Host.

Operation Description
AllocateDedicatedHosts Creates one or more pay-as-you-go or subscription dedicated hosts.
DescribeDedicatedHostTypes Queries the detailed information of supported dedicated host types or Elastic Compute Service (ECS) instance type families supported by the dedicated hosts in a region.
DescribeDedicatedHosts Queries the detailed information of one or more dedicated hosts, including the physical performance metrics, virtual machine code, usage status, and list of ECS instances that have been created.
DescribeDedicatedHostAutoRenew Queries the auto-renewal status of one or more subscription dedicated hosts.
ModifyDedicatedHostAttribute Modifies the information of a dedicated host, including the name, description, and instance migration policy that is applied when the dedicated host fails.
ModifyDedicatedHostAutoRenewAttribute Enables or disables automatic renewal for one or more subscription dedicated hosts.
ModifyDedicatedHostAutoReleaseTime Sets the automatic release time for a pay-as-you-go dedicated host or cancels the automatic release of a pay-as-you-go dedicated host.
ModifyInstanceDeployment Modifies the host of an ECS instance. The ECS instance and the target dedicated host must be in the same region.
RenewDedicatedHosts Renews one or more subscription dedicated hosts.
ReleaseDedicatedHost Releases a pay-as-you-go dedicated host. Make sure that no ECS instance exists on the dedicated host that is to be released.