openapi: 3.1.0
info:
  title: Amazon Application Migration Service Applications Vcenter Clients API
  description: AWS Application Migration Service (MGN) is the primary migration service recommended for lift-and-shift migrations to AWS. It allows organizations to quickly realize the benefits of migrating applications to the cloud without changes and with minimal downtime.
  version: '2021-02-25'
  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
servers:
- url: https://mgn.us-east-1.amazonaws.com
  description: AWS Application Migration Service US East (N. Virginia)
- url: https://mgn.eu-west-1.amazonaws.com
  description: AWS Application Migration Service EU (Ireland)
security:
- awsAuth: []
tags:
- name: Vcenter Clients
  description: VMware vCenter client management
paths:
  /DescribeVcenterClients:
    get:
      operationId: describeVcenterClients
      summary: Amazon Application Migration Service Describe vCenter Clients
      description: Returns a list of all vCenter clients that were previously installed on an on-premises environment.
      tags:
      - Vcenter Clients
      x-microcks-operation:
        delay: 100
        dispatcher: FALLBACK
      parameters:
      - name: maxResults
        in: query
        description: Maximum number of results to return
        schema:
          type: integer
      - name: nextToken
        in: query
        description: Pagination token
        schema:
          type: string
      responses:
        '200':
          description: vCenter clients retrieved
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DescribeVcenterClientsResponse'
              examples:
                default:
                  x-microcks-default: true
                  value:
                    items:
                    - vcenterClientID: vcc-1234567890abcdef0
                      arn: arn:aws:mgn:us-east-1:123456789012:vcenter-client/vcc-1234567890abcdef0
                      hostname: vcenter.example.com
                      vcenterUUID: 12345678-1234-1234-1234-123456789012
                      lastSeenDatetime: '2026-04-19T00:00:00Z'
                    nextToken: ''
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    DescribeVcenterClientsResponse:
      type: object
      description: Response with list of vCenter clients
      properties:
        items:
          type: array
          description: List of vCenter clients
          items:
            $ref: '#/components/schemas/VcenterClient'
        nextToken:
          type: string
          description: Pagination token
          example: ''
    ErrorResponse:
      type: object
      description: Standard error response from the Application Migration Service API
      properties:
        message:
          type: string
          description: Error message
          example: An internal error occurred
        code:
          type: string
          description: Error code
          example: InternalServerException
    VcenterClient:
      type: object
      description: A VMware vCenter client registered with the Application Migration Service
      properties:
        vcenterClientID:
          type: string
          description: vCenter client ID
          example: vcc-1234567890abcdef0
        arn:
          type: string
          description: ARN of the vCenter client
          example: arn:aws:mgn:us-east-1:123456789012:vcenter-client/vcc-1234567890abcdef0
        hostname:
          type: string
          description: vCenter server hostname
          example: vcenter.example.com
        vcenterUUID:
          type: string
          description: vCenter UUID
          example: 12345678-1234-1234-1234-123456789012
        datacenterName:
          type: string
          description: Datacenter name
          example: My Datacenter
        lastSeenDatetime:
          type: string
          description: Date/time client was last seen
          example: '2026-04-19T00:00:00Z'
        sourceServerTags:
          type: object
          description: Tags applied to source servers discovered by this client
          additionalProperties:
            type: string
        tags:
          type: object
          description: Tags on the vCenter client
          additionalProperties:
            type: string
  securitySchemes:
    awsAuth:
      type: apiKey
      in: header
      name: Authorization
      description: AWS Signature Version 4 authentication