openapi: 3.1.0
info:
  title: Citrix ADC (NetScaler) NITRO Access Policies Load Balancing API
  description: REST API for configuring and monitoring Citrix ADC (NetScaler) application delivery controllers, including load balancing virtual servers, services, service groups, SSL certificates, content switching, and system statistics.
  version: '14.1'
  contact:
    name: Citrix Support
    url: https://support.citrix.com/
  termsOfService: https://developer.cloud.com/citrix-developer-terms-of-use
servers:
- url: https://{netscaler-ip}/nitro/v1
  description: Citrix ADC NITRO API
  variables:
    netscaler-ip:
      default: 192.168.1.1
      description: NetScaler management IP address
security:
- nitroAuth: []
tags:
- name: Load Balancing
  description: Load balancing virtual servers and services
paths:
  /config/lbvserver:
    get:
      operationId: listLbVservers
      summary: Citrix List load balancing virtual servers
      description: Retrieve all load balancing virtual server configurations.
      tags:
      - Load Balancing
      responses:
        '200':
          description: List of load balancing virtual servers
          content:
            application/json:
              schema:
                type: object
                properties:
                  lbvserver:
                    type: array
                    items:
                      $ref: '#/components/schemas/LbVserver'
    post:
      operationId: createLbVserver
      summary: Citrix Create a load balancing virtual server
      description: Create a new load balancing virtual server configuration.
      tags:
      - Load Balancing
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                lbvserver:
                  $ref: '#/components/schemas/LbVserver'
      responses:
        '201':
          description: Virtual server created
        '400':
          description: Invalid configuration
  /config/lbvserver/{name}:
    get:
      operationId: getLbVserver
      summary: Citrix Get a load balancing virtual server
      description: Retrieve configuration of a specific load balancing virtual server.
      tags:
      - Load Balancing
      parameters:
      - name: name
        in: path
        required: true
        description: Virtual server name
        schema:
          type: string
      responses:
        '200':
          description: Virtual server details
          content:
            application/json:
              schema:
                type: object
                properties:
                  lbvserver:
                    type: array
                    items:
                      $ref: '#/components/schemas/LbVserver'
        '404':
          description: Virtual server not found
    put:
      operationId: updateLbVserver
      summary: Citrix Update a load balancing virtual server
      description: Update configuration of an existing load balancing virtual server.
      tags:
      - Load Balancing
      parameters:
      - name: name
        in: path
        required: true
        description: Virtual server name
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                lbvserver:
                  $ref: '#/components/schemas/LbVserver'
      responses:
        '200':
          description: Virtual server updated
        '400':
          description: Invalid configuration
    delete:
      operationId: deleteLbVserver
      summary: Citrix Delete a load balancing virtual server
      description: Delete a load balancing virtual server configuration.
      tags:
      - Load Balancing
      parameters:
      - name: name
        in: path
        required: true
        description: Virtual server name
        schema:
          type: string
      responses:
        '200':
          description: Virtual server deleted
        '404':
          description: Virtual server not found
  /config/service:
    get:
      operationId: listServices
      summary: Citrix List services
      description: Retrieve all service configurations bound to virtual servers.
      tags:
      - Load Balancing
      responses:
        '200':
          description: List of services
          content:
            application/json:
              schema:
                type: object
                properties:
                  service:
                    type: array
                    items:
                      $ref: '#/components/schemas/Service'
  /config/servicegroup:
    get:
      operationId: listServiceGroups
      summary: Citrix List service groups
      description: Retrieve all service group configurations.
      tags:
      - Load Balancing
      responses:
        '200':
          description: List of service groups
          content:
            application/json:
              schema:
                type: object
                properties:
                  servicegroup:
                    type: array
                    items:
                      $ref: '#/components/schemas/ServiceGroup'
  /stat/lbvserver:
    get:
      operationId: getLbVserverStats
      summary: Citrix Get load balancing statistics
      description: Retrieve statistics for all load balancing virtual servers.
      tags:
      - Load Balancing
      responses:
        '200':
          description: Load balancing statistics
          content:
            application/json:
              schema:
                type: object
                properties:
                  lbvserver:
                    type: array
                    items:
                      $ref: '#/components/schemas/LbVserverStats'
components:
  schemas:
    Service:
      type: object
      properties:
        name:
          type: string
          description: Service name
        ip:
          type: string
          description: IP address of the service
        port:
          type: integer
          description: Port number
        servicetype:
          type: string
          description: Protocol type
        svrstate:
          type: string
          description: Current state of the service
    ServiceGroup:
      type: object
      properties:
        servicegroupname:
          type: string
          description: Service group name
        servicetype:
          type: string
          description: Protocol type
        state:
          type: string
          description: Current state
    LbVserverStats:
      type: object
      properties:
        name:
          type: string
          description: Virtual server name
        requestsrate:
          type: number
          description: Requests per second
        responsesrate:
          type: number
          description: Responses per second
        totalrequests:
          type: integer
          description: Total requests received
        totalresponses:
          type: integer
          description: Total responses sent
        curclntconnections:
          type: integer
          description: Current client connections
        cursrvrconnections:
          type: integer
          description: Current server connections
        health:
          type: number
          description: Health percentage
    LbVserver:
      type: object
      properties:
        name:
          type: string
          description: Virtual server name
        ipv46:
          type: string
          description: IPv4 or IPv6 address
        port:
          type: integer
          description: Port number
        servicetype:
          type: string
          enum:
          - HTTP
          - HTTPS
          - TCP
          - UDP
          - SSL
          - SSL_TCP
          - ANY
          description: Protocol type
        lbmethod:
          type: string
          enum:
          - ROUNDROBIN
          - LEASTCONNECTION
          - LEASTRESPONSETIME
          - SOURCEIPHASH
          - URLHASH
          description: Load balancing method
        curstate:
          type: string
          description: Current state of the virtual server
        effectivestate:
          type: string
          description: Effective state considering bound services
  securitySchemes:
    nitroAuth:
      type: apiKey
      in: cookie
      name: NITRO_AUTH_TOKEN
      description: Session cookie from NITRO login
externalDocs:
  description: Citrix ADC NITRO API Reference
  url: https://developer-docs.netscaler.com/en-us/adc-nitro-api/current-release.html