openapi: 3.1.0
info:
  title: AWS Cloud Control Change Sets Stack Instances API
  description: AWS Cloud Control API provides a uniform set of five API operations to create, read, update, delete, and list (CRUDL) supported cloud resources. It offers a standardized way to manage AWS and third-party resource types available in the CloudFormation Registry, without needing to learn each individual service API. You specify the resource type and a JSON blob of desired state, and Cloud Control API handles the rest.
  version: '2021-09-30'
  contact:
    name: AWS Support
    url: https://aws.amazon.com/contact-us/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  x-logo:
    url: https://aws.amazon.com/cloudformation/logo.png
servers:
- url: https://cloudcontrolapi.{region}.amazonaws.com
  description: AWS Cloud Control API Regional Endpoint
  variables:
    region:
      default: us-east-1
      description: AWS region
      enum:
      - us-east-1
      - us-east-2
      - us-west-1
      - us-west-2
      - eu-west-1
      - eu-west-2
      - eu-central-1
      - ap-southeast-1
      - ap-southeast-2
      - ap-northeast-1
security:
- AWS_Signature_V4: []
tags:
- name: Stack Instances
  description: Operations for managing stack instances within a stack set.
paths:
  /?Action=CreateStackInstances:
    post:
      operationId: createStackInstances
      summary: Create Stack Instances in Accounts and Regions
      description: Creates stack instances for the specified accounts in the specified regions. A stack instance refers to a stack in a specific account and region.
      tags:
      - Stack Instances
      parameters:
      - $ref: '#/components/parameters/VersionParam'
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - StackSetName
              - Regions
              properties:
                StackSetName:
                  type: string
                Accounts:
                  type: array
                  items:
                    type: string
                Regions:
                  type: array
                  items:
                    type: string
                ParameterOverrides:
                  type: array
                  items:
                    $ref: '#/components/schemas/Parameter'
                OperationPreferences:
                  $ref: '#/components/schemas/StackSetOperationPreferences'
                OperationId:
                  type: string
                  maxLength: 128
                CallAs:
                  type: string
                  enum:
                  - SELF
                  - DELEGATED_ADMIN
            examples:
              CreatestackinstancesRequestExample:
                summary: Default createStackInstances request
                x-microcks-default: true
                value:
                  StackSetName: example_value
                  Accounts:
                  - example_value
                  Regions:
                  - example_value
                  ParameterOverrides:
                  - ParameterKey: example_value
                    ParameterValue: example_value
                    UsePreviousValue: true
                    ResolvedValue: example_value
                  OperationPreferences:
                    RegionConcurrencyType: SEQUENTIAL
                    RegionOrder:
                    - example_value
                    FailureToleranceCount: 10
                    FailureTolerancePercentage: 10
                    MaxConcurrentCount: 10
                    MaxConcurrentPercentage: 10
                  OperationId: '500123'
                  CallAs: SELF
      responses:
        '200':
          description: Stack instances creation initiated.
          content:
            application/xml:
              schema:
                type: object
                properties:
                  CreateStackInstancesResult:
                    type: object
                    properties:
                      OperationId:
                        type: string
              examples:
                Createstackinstances200Example:
                  summary: Default createStackInstances 200 response
                  x-microcks-default: true
                  value:
                    CreateStackInstancesResult:
                      OperationId: '500123'
        '400':
          $ref: '#/components/responses/ValidationError'
        '404':
          $ref: '#/components/responses/NotFoundError'
        '500':
          $ref: '#/components/responses/InternalError'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /?Action=DescribeStackInstance:
    post:
      operationId: describeStackInstance
      summary: Describe a Stack Instance
      description: Returns the stack instance associated with the specified stack set, account, and region.
      tags:
      - Stack Instances
      parameters:
      - $ref: '#/components/parameters/VersionParam'
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - StackSetName
              - StackInstanceAccount
              - StackInstanceRegion
              properties:
                StackSetName:
                  type: string
                StackInstanceAccount:
                  type: string
                StackInstanceRegion:
                  type: string
                CallAs:
                  type: string
                  enum:
                  - SELF
                  - DELEGATED_ADMIN
            examples:
              DescribestackinstanceRequestExample:
                summary: Default describeStackInstance request
                x-microcks-default: true
                value:
                  StackSetName: example_value
                  StackInstanceAccount: example_value
                  StackInstanceRegion: example_value
                  CallAs: SELF
      responses:
        '200':
          description: Stack instance details returned.
          content:
            application/xml:
              schema:
                type: object
                properties:
                  DescribeStackInstanceResult:
                    type: object
                    properties:
                      StackInstance:
                        $ref: '#/components/schemas/StackInstance'
              examples:
                Describestackinstance200Example:
                  summary: Default describeStackInstance 200 response
                  x-microcks-default: true
                  value:
                    DescribeStackInstanceResult:
                      StackInstance:
                        StackSetId: '500123'
                        Region: example_value
                        Account: example_value
                        StackId: '500123'
                        ParameterOverrides:
                        - {}
                        Status: CURRENT
                        StackInstanceStatus:
                          DetailedStatus: PENDING
                        StatusReason: example_value
                        DriftStatus: DRIFTED
                        LastDriftCheckTimestamp: '2026-01-15T10:30:00Z'
        '404':
          $ref: '#/components/responses/NotFoundError'
        '500':
          $ref: '#/components/responses/InternalError'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /?Action=ListStackInstances:
    post:
      operationId: listStackInstances
      summary: List Stack Instances in a Stack Set
      description: Returns summary information about stack instances associated with the specified stack set.
      tags:
      - Stack Instances
      parameters:
      - $ref: '#/components/parameters/VersionParam'
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - StackSetName
              properties:
                StackSetName:
                  type: string
                NextToken:
                  type: string
                  maxLength: 1024
                MaxResults:
                  type: integer
                  minimum: 1
                  maximum: 100
                StackInstanceAccount:
                  type: string
                StackInstanceRegion:
                  type: string
                CallAs:
                  type: string
                  enum:
                  - SELF
                  - DELEGATED_ADMIN
            examples:
              ListstackinstancesRequestExample:
                summary: Default listStackInstances request
                x-microcks-default: true
                value:
                  StackSetName: example_value
                  NextToken: example_value
                  MaxResults: 10
                  StackInstanceAccount: example_value
                  StackInstanceRegion: example_value
                  CallAs: SELF
      responses:
        '200':
          description: Stack instance summaries returned.
          content:
            application/xml:
              schema:
                type: object
                properties:
                  ListStackInstancesResult:
                    type: object
                    properties:
                      Summaries:
                        type: array
                        items:
                          $ref: '#/components/schemas/StackInstanceSummary'
                      NextToken:
                        type: string
              examples:
                Liststackinstances200Example:
                  summary: Default listStackInstances 200 response
                  x-microcks-default: true
                  value:
                    ListStackInstancesResult:
                      Summaries:
                      - StackSetId: '500123'
                        Region: example_value
                        Account: example_value
                        StackId: '500123'
                        Status: CURRENT
                        StatusReason: example_value
                        DriftStatus: DRIFTED
                        LastDriftCheckTimestamp: '2026-01-15T10:30:00Z'
                      NextToken: example_value
        '400':
          $ref: '#/components/responses/ValidationError'
        '500':
          $ref: '#/components/responses/InternalError'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /?Action=DeleteStackInstances:
    post:
      operationId: deleteStackInstances
      summary: Delete Stack Instances From a Stack Set
      description: Deletes stack instances for the specified accounts in the specified regions.
      tags:
      - Stack Instances
      parameters:
      - $ref: '#/components/parameters/VersionParam'
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - StackSetName
              - Regions
              - RetainStacks
              properties:
                StackSetName:
                  type: string
                Accounts:
                  type: array
                  items:
                    type: string
                Regions:
                  type: array
                  items:
                    type: string
                RetainStacks:
                  type: boolean
                  description: Whether to remove the stack instances from the stack set but not delete the stacks.
                OperationPreferences:
                  $ref: '#/components/schemas/StackSetOperationPreferences'
                OperationId:
                  type: string
                  maxLength: 128
                CallAs:
                  type: string
                  enum:
                  - SELF
                  - DELEGATED_ADMIN
            examples:
              DeletestackinstancesRequestExample:
                summary: Default deleteStackInstances request
                x-microcks-default: true
                value:
                  StackSetName: example_value
                  Accounts:
                  - example_value
                  Regions:
                  - example_value
                  RetainStacks: true
                  OperationPreferences:
                    RegionConcurrencyType: SEQUENTIAL
                    RegionOrder:
                    - example_value
                    FailureToleranceCount: 10
                    FailureTolerancePercentage: 10
                    MaxConcurrentCount: 10
                    MaxConcurrentPercentage: 10
                  OperationId: '500123'
                  CallAs: SELF
      responses:
        '200':
          description: Stack instance deletion initiated.
          content:
            application/xml:
              schema:
                type: object
                properties:
                  DeleteStackInstancesResult:
                    type: object
                    properties:
                      OperationId:
                        type: string
              examples:
                Deletestackinstances200Example:
                  summary: Default deleteStackInstances 200 response
                  x-microcks-default: true
                  value:
                    DeleteStackInstancesResult:
                      OperationId: '500123'
        '400':
          $ref: '#/components/responses/ValidationError'
        '404':
          $ref: '#/components/responses/NotFoundError'
        '500':
          $ref: '#/components/responses/InternalError'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  parameters:
    VersionParam:
      name: Version
      in: query
      required: true
      schema:
        type: string
        default: '2010-05-15'
      description: The API version. Fixed to 2010-05-15.
  schemas:
    Parameter:
      type: object
      properties:
        ParameterKey:
          type: string
          description: The key associated with the parameter.
          example: example_value
        ParameterValue:
          type: string
          description: The input value associated with the parameter.
          example: example_value
        UsePreviousValue:
          type: boolean
          description: Use the existing parameter value during stack updates.
          example: true
        ResolvedValue:
          type: string
          description: The value that resolves to for SSM parameter types.
          example: example_value
    StackInstance:
      type: object
      properties:
        StackSetId:
          type: string
          example: '500123'
        Region:
          type: string
          example: example_value
        Account:
          type: string
          example: example_value
        StackId:
          type: string
          example: '500123'
        ParameterOverrides:
          type: array
          items:
            $ref: '#/components/schemas/Parameter'
          example: []
        Status:
          type: string
          enum:
          - CURRENT
          - OUTDATED
          - INOPERABLE
          example: CURRENT
        StackInstanceStatus:
          type: object
          properties:
            DetailedStatus:
              type: string
              enum:
              - PENDING
              - RUNNING
              - SUCCEEDED
              - FAILED
              - CANCELLED
              - INOPERABLE
              - SKIPPED_SUSPENDED_ACCOUNT
          example: example_value
        StatusReason:
          type: string
          example: example_value
        DriftStatus:
          type: string
          enum:
          - DRIFTED
          - IN_SYNC
          - UNKNOWN
          - NOT_CHECKED
          example: DRIFTED
        LastDriftCheckTimestamp:
          type: string
          format: date-time
          example: '2026-01-15T10:30:00Z'
    StackInstanceSummary:
      type: object
      properties:
        StackSetId:
          type: string
          example: '500123'
        Region:
          type: string
          example: example_value
        Account:
          type: string
          example: example_value
        StackId:
          type: string
          example: '500123'
        Status:
          type: string
          enum:
          - CURRENT
          - OUTDATED
          - INOPERABLE
          example: CURRENT
        StatusReason:
          type: string
          example: example_value
        DriftStatus:
          type: string
          enum:
          - DRIFTED
          - IN_SYNC
          - UNKNOWN
          - NOT_CHECKED
          example: DRIFTED
        LastDriftCheckTimestamp:
          type: string
          format: date-time
          example: '2026-01-15T10:30:00Z'
    ErrorResponse:
      type: object
      properties:
        Error:
          type: object
          properties:
            Type:
              type: string
            Code:
              type: string
            Message:
              type: string
          example: example_value
        RequestId:
          type: string
          example: '500123'
    StackSetOperationPreferences:
      type: object
      properties:
        RegionConcurrencyType:
          type: string
          enum:
          - SEQUENTIAL
          - PARALLEL
          example: SEQUENTIAL
        RegionOrder:
          type: array
          items:
            type: string
          example: []
        FailureToleranceCount:
          type: integer
          minimum: 0
          example: 10
        FailureTolerancePercentage:
          type: integer
          minimum: 0
          maximum: 100
          example: 10
        MaxConcurrentCount:
          type: integer
          minimum: 1
          example: 10
        MaxConcurrentPercentage:
          type: integer
          minimum: 1
          maximum: 100
          example: 10
  responses:
    ValidationError:
      description: The input fails to satisfy the constraints specified by the service.
      content:
        application/xml:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    InternalError:
      description: An internal service error occurred.
      content:
        application/xml:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    NotFoundError:
      description: The specified resource was not found.
      content:
        application/xml:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    AWS_Signature_V4:
      type: apiKey
      name: Authorization
      in: header
      description: AWS Signature Version 4 authentication.