openapi: 3.1.0
info:
  title: Apigee API Hub Analytics Target Servers API
  description: API for cataloging, organizing, and governing APIs across an organization. Enables API discovery, metadata management, dependency mapping, deployment tracking, and AI-powered specification boost.
  version: 1.0.0
  contact:
    name: Google Cloud Apigee
    url: https://cloud.google.com/apigee/docs/apihub/what-is-api-hub
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  termsOfService: https://cloud.google.com/terms
servers:
- url: https://apihub.googleapis.com/v1
  description: Apigee API Hub Production Server
security:
- oauth2: []
tags:
- name: Target Servers
  description: Configure backend target server endpoints
paths:
  /organizations/{organizationId}/environments/{environmentId}/targetservers:
    get:
      operationId: listTargetServers
      summary: Apigee List Target Servers
      description: Lists all target servers in the specified environment of an organization. Target servers define backend service endpoints.
      tags:
      - Target Servers
      parameters:
      - $ref: '#/components/parameters/organizationId'
      - $ref: '#/components/parameters/environmentId'
      responses:
        '200':
          description: Successful response with list of target servers
          content:
            application/json:
              schema:
                type: array
                items:
                  type: string
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
    post:
      operationId: createTargetServer
      summary: Apigee Create a Target Server
      description: Creates a target server in the specified environment. Target servers decouple TargetEndpoint configurations from concrete backend URLs.
      tags:
      - Target Servers
      parameters:
      - $ref: '#/components/parameters/organizationId'
      - $ref: '#/components/parameters/environmentId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TargetServer'
      responses:
        '200':
          description: Successful response with the created target server
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TargetServer'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
  /organizations/{organizationId}/environments/{environmentId}/targetservers/{targetServerId}:
    get:
      operationId: getTargetServer
      summary: Apigee Get a Target Server
      description: Gets the configuration of a target server in the specified environment.
      tags:
      - Target Servers
      parameters:
      - $ref: '#/components/parameters/organizationId'
      - $ref: '#/components/parameters/environmentId'
      - $ref: '#/components/parameters/targetServerId'
      responses:
        '200':
          description: Successful response with target server details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TargetServer'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
    put:
      operationId: updateTargetServer
      summary: Apigee Update a Target Server
      description: Updates an existing target server in the specified environment. The full target server object must be included in the request body.
      tags:
      - Target Servers
      parameters:
      - $ref: '#/components/parameters/organizationId'
      - $ref: '#/components/parameters/environmentId'
      - $ref: '#/components/parameters/targetServerId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TargetServer'
      responses:
        '200':
          description: Successful response with updated target server
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TargetServer'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deleteTargetServer
      summary: Apigee Delete a Target Server
      description: Deletes a target server from an environment.
      tags:
      - Target Servers
      parameters:
      - $ref: '#/components/parameters/organizationId'
      - $ref: '#/components/parameters/environmentId'
      - $ref: '#/components/parameters/targetServerId'
      responses:
        '200':
          description: Successful response confirming deletion
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TargetServer'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  parameters:
    organizationId:
      name: organizationId
      in: path
      description: Name of the Apigee organization.
      required: true
      schema:
        type: string
    environmentId:
      name: environmentId
      in: path
      description: Name of the environment.
      required: true
      schema:
        type: string
    targetServerId:
      name: targetServerId
      in: path
      description: Name of the target server.
      required: true
      schema:
        type: string
  schemas:
    Error:
      type: object
      description: Error response from the Apigee API.
      properties:
        error:
          type: object
          properties:
            code:
              type: integer
              format: int32
              description: HTTP error code.
            message:
              type: string
              description: Error message.
            status:
              type: string
              description: Error status string.
    TargetServer:
      type: object
      description: Configuration for a backend target server.
      properties:
        name:
          type: string
          description: Required. Name of the target server.
        host:
          type: string
          description: Required. Hostname or IP address of the backend service.
        port:
          type: integer
          format: int32
          description: Required. Port number of the backend service.
        isEnabled:
          type: boolean
          description: Whether the target server is enabled.
        protocol:
          type: string
          description: Protocol used to communicate with the target.
          enum:
          - HTTP
          - HTTP2
          - GRPC_TARGET
          - GRPC
          - EXTERNAL_CALLOUT
        sSLInfo:
          $ref: '#/components/schemas/TlsInfo'
        description:
          type: string
          description: Optional description of the target server.
      required:
      - name
      - host
      - port
    TlsInfo:
      type: object
      description: TLS configuration for a target server.
      properties:
        enabled:
          type: boolean
          description: Whether TLS is enabled.
        clientAuthEnabled:
          type: boolean
          description: Whether client authentication is required.
        keyStore:
          type: string
          description: Name of the keystore.
        keyAlias:
          type: string
          description: Name of the key alias.
        trustStore:
          type: string
          description: Name of the truststore.
        protocols:
          type: array
          description: Supported TLS protocols.
          items:
            type: string
        ciphers:
          type: array
          description: Supported cipher suites.
          items:
            type: string
        commonName:
          type: object
          description: Common name configuration.
          properties:
            value:
              type: string
            wildcardMatch:
              type: boolean
  responses:
    Unauthorized:
      description: Unauthorized. Authentication credentials are missing or invalid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Bad request. The request body or parameters are invalid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: Not found. The specified resource does not exist.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Forbidden:
      description: Forbidden. The caller does not have permission to perform this operation.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    oauth2:
      type: oauth2
      description: Google OAuth 2.0 authentication
      flows:
        authorizationCode:
          authorizationUrl: https://accounts.google.com/o/oauth2/auth
          tokenUrl: https://oauth2.googleapis.com/token
          scopes:
            https://www.googleapis.com/auth/cloud-platform: Full access to Google Cloud Platform resources
externalDocs:
  description: Apigee API Hub API Reference Documentation
  url: https://cloud.google.com/apigee/docs/reference/apis/apihub/rest