# CloudFormation operations 25 of 53 listed operations are implemented. Back to [CloudFormation](/docs/services/cloudformation/index.md). ## Summary | Category | ✅ Supported | ❌ Unsupported | | --- | --- | --- | | Stacks | 7 | 5 | | Change sets | 5 | | | Resources and events | 3 | | | Templates | 3 | 1 | | Exports | 2 | | | Intrinsic functions | 2 | | | Dynamic references | 3 | 1 | | Resource types | | 1 | | StackSets | | 13 | | Type registry | | 7 | --- ## Endpoints ### Stacks | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `CreateStack` | ✅ Supported | Async provisioner; JSON templates; intrinsic functions | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_CreateStack.html) | | `UpdateStack` | ✅ Supported | Re-provisions with updated template | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_UpdateStack.html) | | `RollbackStack` | ✅ Supported | Rolls a CREATE_FAILED, UPDATE_FAILED, or UPDATE_ROLLBACK_FAILED stack back to a terminal rollback state | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_RollbackStack.html) | | `ContinueUpdateRollback` | ✅ Supported | Retries a failed update rollback from UPDATE_ROLLBACK_FAILED; ResourcesToSkip, including nested-stack paths | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ContinueUpdateRollback.html) | | `DeleteStack` | ✅ Supported | Async resource cleanup in reverse dependency order; DELETE_FAILED when a resource refuses deletion | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DeleteStack.html) | | `DescribeStacks` | ✅ Supported | Status, parameters, outputs, tags | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DescribeStacks.html) | | `ListStacks` | ✅ Supported | StackStatusFilter, validated against the full StackStatus enum; unfiltered lists include DELETE_COMPLETE; summaries carry StackStatusReason | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ListStacks.html) | | `CancelUpdateStack` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_CancelUpdateStack.html) | | `SignalResource` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_SignalResource.html) | | `GetStackPolicy` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_GetStackPolicy.html) | | `SetStackPolicy` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_SetStackPolicy.html) | | `DescribeAccountLimits` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DescribeAccountLimits.html) | ### Change sets | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `CreateChangeSet` | ✅ Supported | Creates a change set from a template | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_CreateChangeSet.html) | | `DescribeChangeSet` | ✅ Supported | Returns change set details and status; accepts ARN-only lookup | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DescribeChangeSet.html) | | `ExecuteChangeSet` | ✅ Supported | Provisions resources via async provisioner; accepts ARN-only lookup | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ExecuteChangeSet.html) | | `DeleteChangeSet` | ✅ Supported | | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DeleteChangeSet.html) | | `ListChangeSets` | ✅ Supported | Lists active change sets for a stack | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ListChangeSets.html) | ### Resources and events | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `DescribeStackResources` | ✅ Supported | Lists resources for a stack, with status and reason | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DescribeStackResources.html) | | `ListStackResources` | ✅ Supported | Lists resources with status | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ListStackResources.html) | | `DescribeStackEvents` | ✅ Supported | Returns stack provisioning events | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DescribeStackEvents.html) | ### Templates | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `GetTemplate` | ✅ Supported | Returns the stack's template body | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_GetTemplate.html) | | `GetTemplateSummary` | ✅ Supported | Returns parameters and resource types | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_GetTemplateSummary.html) | | `ValidateTemplate` | ✅ Supported | Validates template syntax | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ValidateTemplate.html) | | `EstimateTemplateCost` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_EstimateTemplateCost.html) | ### Exports | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `ListExports` | ✅ Supported | Returns exports from all active stacks in region | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ListExports.html) | | `ListImports` | ✅ Supported | Returns stacks that import a given export name | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ListImports.html) | ### Intrinsic functions | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `Fn::ImportValue` | ✅ Supported | Cross-stack reference resolution | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-importvalue.html) | | `Fn::GetStackOutput` | ✅ Supported | Weak cross-stack reference: any output of a stack in any region, no export needed; RoleArn accepted but not assumed | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/intrinsic-function-reference-getstackoutput.html) | ### Dynamic references | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `{{resolve:secretsmanager}}` | ✅ Supported | Secret by name or ARN; JSON key, version stage and version ID selectors | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/dynamic-references.html#dynamic-references-secretsmanager) | | `{{resolve:ssm}}` | ✅ Supported | Plaintext parameter; an explicit version resolves to the current value | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/dynamic-references.html#dynamic-references-ssm) | | `{{resolve:ssm-secure}}` | ✅ Supported | Read with decryption, in the properties AWS enumerates only; an explicit version resolves to the current value | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/dynamic-references.html#dynamic-references-ssm-secure) | | `{{resolve:s3}}` | ❌ Unsupported | Not resolved; fails the resource that uses it | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/dynamic-references.html) | ### Resource types | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `AWS::CloudFormation::WaitConditionHandle` | ❌ Unsupported | Stub | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-cloudformation-waitconditionhandle.html) | ### StackSets | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `CreateStackSet` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_CreateStackSet.html) | | `CreateStackInstances` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_CreateStackInstances.html) | | `DeleteStackSet` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DeleteStackSet.html) | | `DeleteStackInstances` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DeleteStackInstances.html) | | `DescribeStackSet` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DescribeStackSet.html) | | `DescribeStackInstance` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DescribeStackInstance.html) | | `DescribeStackSetOperation` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DescribeStackSetOperation.html) | | `ListStackSets` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ListStackSets.html) | | `ListStackInstances` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ListStackInstances.html) | | `ListStackSetOperations` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ListStackSetOperations.html) | | `ListStackSetOperationResults` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ListStackSetOperationResults.html) | | `UpdateStackSet` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_UpdateStackSet.html) | | `UpdateStackInstances` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_UpdateStackInstances.html) | ### Type registry | Operation | Status | Notes | AWS Docs | | --- | --- | --- | --- | | `RegisterType` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_RegisterType.html) | | `DeregisterType` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DeregisterType.html) | | `DescribeType` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DescribeType.html) | | `DescribeTypeRegistration` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DescribeTypeRegistration.html) | | `ListTypes` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ListTypes.html) | | `ListTypeRegistrations` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_ListTypeRegistrations.html) | | `SetTypeDefaultVersion` | ❌ Unsupported | stub; returns 501 | [docs](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_SetTypeDefaultVersion.html) | ## Related - [CloudFormation](/docs/services/cloudformation/index.md) — quick start, what works, and the differences from AWS - [All service pages](/docs/services/index.md)