# Actions
<a name="API_Operations"></a>

The following actions are supported:
+  [CountClosedWorkflowExecutions](API_CountClosedWorkflowExecutions.md) 
+  [CountOpenWorkflowExecutions](API_CountOpenWorkflowExecutions.md) 
+  [CountPendingActivityTasks](API_CountPendingActivityTasks.md) 
+  [CountPendingDecisionTasks](API_CountPendingDecisionTasks.md) 
+  [DeleteActivityType](API_DeleteActivityType.md) 
+  [DeleteWorkflowType](API_DeleteWorkflowType.md) 
+  [DeprecateActivityType](API_DeprecateActivityType.md) 
+  [DeprecateDomain](API_DeprecateDomain.md) 
+  [DeprecateWorkflowType](API_DeprecateWorkflowType.md) 
+  [DescribeActivityType](API_DescribeActivityType.md) 
+  [DescribeDomain](API_DescribeDomain.md) 
+  [DescribeWorkflowExecution](API_DescribeWorkflowExecution.md) 
+  [DescribeWorkflowType](API_DescribeWorkflowType.md) 
+  [GetWorkflowExecutionHistory](API_GetWorkflowExecutionHistory.md) 
+  [ListActivityTypes](API_ListActivityTypes.md) 
+  [ListClosedWorkflowExecutions](API_ListClosedWorkflowExecutions.md) 
+  [ListDomains](API_ListDomains.md) 
+  [ListOpenWorkflowExecutions](API_ListOpenWorkflowExecutions.md) 
+  [ListTagsForResource](API_ListTagsForResource.md) 
+  [ListWorkflowTypes](API_ListWorkflowTypes.md) 
+  [PollForActivityTask](API_PollForActivityTask.md) 
+  [PollForDecisionTask](API_PollForDecisionTask.md) 
+  [RecordActivityTaskHeartbeat](API_RecordActivityTaskHeartbeat.md) 
+  [RegisterActivityType](API_RegisterActivityType.md) 
+  [RegisterDomain](API_RegisterDomain.md) 
+  [RegisterWorkflowType](API_RegisterWorkflowType.md) 
+  [RequestCancelWorkflowExecution](API_RequestCancelWorkflowExecution.md) 
+  [RespondActivityTaskCanceled](API_RespondActivityTaskCanceled.md) 
+  [RespondActivityTaskCompleted](API_RespondActivityTaskCompleted.md) 
+  [RespondActivityTaskFailed](API_RespondActivityTaskFailed.md) 
+  [RespondDecisionTaskCompleted](API_RespondDecisionTaskCompleted.md) 
+  [SignalWorkflowExecution](API_SignalWorkflowExecution.md) 
+  [StartWorkflowExecution](API_StartWorkflowExecution.md) 
+  [TagResource](API_TagResource.md) 
+  [TerminateWorkflowExecution](API_TerminateWorkflowExecution.md) 
+  [UndeprecateActivityType](API_UndeprecateActivityType.md) 
+  [UndeprecateDomain](API_UndeprecateDomain.md) 
+  [UndeprecateWorkflowType](API_UndeprecateWorkflowType.md) 
+  [UntagResource](API_UntagResource.md)