openapi: 3.1.0
info:
  title: AWS Fault Injection Simulator Actions API
  description: AWS Fault Injection Simulator (FIS) is a fully managed service for running fault injection experiments on AWS. This API enables creating experiment templates, starting and stopping experiments, managing safety levers, and configuring multi-account targets for chaos engineering.
  version: '2020-12-01'
  contact:
    name: Amazon Web Services
    url: https://aws.amazon.com/contact-us/
  termsOfService: https://aws.amazon.com/service-terms/
  x-generated-from: documentation
  x-last-validated: '2026-04-19'
servers:
- url: https://fis.{region}.amazonaws.com
  description: AWS FIS Regional Endpoint
  variables:
    region:
      default: us-east-1
      description: AWS Region
security:
- aws_signature_v4: []
tags:
- name: Actions
  description: Discover available FIS fault injection actions
paths:
  /actions:
    get:
      operationId: listActions
      summary: AWS Fault Injection Simulator List Actions
      description: Lists the available FIS actions.
      tags:
      - Actions
      parameters:
      - name: maxResults
        in: query
        description: Maximum results
        schema:
          type: integer
      - name: nextToken
        in: query
        description: Pagination token
        schema:
          type: string
      responses:
        '200':
          description: List of actions
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListActionsResponse'
              examples:
                ListActions200Example:
                  summary: Default response
                  x-microcks-default: true
                  value:
                    actions:
                    - id: aws:ec2:stop-instances
                      description: Stop EC2 instances
                    - id: aws:rds:failover-db-cluster
                      description: Failover RDS cluster
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /actions/{id}:
    get:
      operationId: getAction
      summary: AWS Fault Injection Simulator Get Action
      description: Gets information about the specified FIS action.
      tags:
      - Actions
      parameters:
      - name: id
        in: path
        required: true
        description: Action ID
        schema:
          type: string
        example: aws:ec2:stop-instances
      responses:
        '200':
          description: Action details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ActionResponse'
              examples:
                GetAction200Example:
                  summary: Default response
                  x-microcks-default: true
                  value:
                    action:
                      id: aws:ec2:stop-instances
                      description: Stop EC2 instances
                      targets:
                        Instances:
                          resourceType: aws:ec2:instance
                          selectionMode: ALL
        '404':
          description: Not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    ErrorResponse:
      type: object
      description: Error response from the FIS API
      properties:
        message:
          type: string
          description: Error message
          example: The specified resource does not exist.
    Action:
      type: object
      description: An available FIS fault injection action
      properties:
        id:
          type: string
          description: Action ID
          example: aws:ec2:stop-instances
        arn:
          type: string
          description: Action ARN
        description:
          type: string
          description: Action description
          example: Stop EC2 instances
        parameters:
          type: object
          description: Action parameters
          additionalProperties:
            type: object
        targets:
          type: object
          description: Target definitions
          additionalProperties:
            type: object
        tags:
          type: object
          description: Resource tags
          additionalProperties:
            type: string
    ActionResponse:
      type: object
      description: Response containing action details
      properties:
        action:
          $ref: '#/components/schemas/Action'
    ListActionsResponse:
      type: object
      description: List of actions
      properties:
        actions:
          type: array
          items:
            $ref: '#/components/schemas/Action'
        nextToken:
          type: string
          description: Pagination token
  securitySchemes:
    aws_signature_v4:
      type: apiKey
      in: header
      name: Authorization
      description: AWS Signature Version 4 authentication
externalDocs:
  description: AWS FIS API Reference
  url: https://docs.aws.amazon.com/fis/latest/APIReference/Welcome.html