This topic describes the API operations that you can call in Dedicated Host (DDH).
| API | Overview |
|---|---|
| AllocateDedicatedHosts | Creates one or more subscription dedicated hosts. DDH provides dedicated physical resources for each tenant. You can create Elastic Compute Service (ECS) instances on a dedicated host and view the specifications of the physical server on which the dedicated host resides. |
| CreateDedicatedHostCluster | Creates a dedicated host cluster. |
| DescribeDedicatedHostClusters | Queries the details of one or more dedicated host clusters. |
| ModifyDedicatedHostClusterAttribute | Modifies some attributes of a dedicated host cluster, such as its name and description. |
| DeleteDedicatedHostCluster | Deletes a dedicated host cluster. |
| DescribeDedicatedHostTypes | Queries the details of dedicated host types supported in a region, or the ECS instance families supported by a specific dedicated host type. |
| DescribeDedicatedHosts | Queries the details of one or more dedicated hosts, including the physical performance metrics, virtual machine code, usage status, and ECS instance list. |
| 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 applied when the dedicated host fails. |
| ModifyDedicatedHostAutoRenewAttribute | Enables or disables auto-renewal for one or more subscription dedicated hosts. |
| ModifyDedicatedHostAutoReleaseTime | Sets or cancels the automatic release time for a pay-as-you-go dedicated host. |
| ModifyInstanceDeployment | Changes the deployment set of an ECS instance or migrates an ECS instance to a dedicated host. The ECS instance and the destination dedicated host must be in the same region. |
| ModifyDedicatedHostsChargeType | Changes the billing method of dedicated hosts. |
| ReleaseDedicatedHost | Releases a pay-as-you-go dedicated host. |
| RenewDedicatedHosts | Renews one or more subscription dedicated hosts. |
| RedeployDedicatedHost | Migrates ECS instances from a failed dedicated host. |