openapi: 3.1.0
info:
  title: Citrix NetScaler NITRO REST Authentication Statistics API
  description: The NITRO (NetScaler Interface Through RESTful Operations) API provides programmatic access to configure, monitor, and manage Citrix NetScaler (ADC) appliances. Built on REST architecture using HTTP/HTTPS, the API supports comprehensive management of application delivery controller features including load balancing virtual servers, content switching virtual servers, system configuration, and appliance-level settings. All NITRO operations are logged to /var/nitro.log on the appliance.
  version: '14.1'
  contact:
    name: NetScaler Support
    url: https://support.citrix.com/
  license:
    name: Proprietary
    url: https://www.cloud.com/legal
  termsOfService: https://www.cloud.com/legal
servers:
- url: https://{nsip}/nitro/v1
  description: NetScaler NITRO API endpoint
  variables:
    nsip:
      default: netscaler.example.com
      description: The IP address or hostname of the NetScaler appliance (NSIP).
security:
- nitroAuthToken: []
- nitroBasicAuth: []
tags:
- name: Statistics
  description: Real-time performance and health statistics for configured resources including virtual servers, services, and system metrics.
paths:
  /stat/lbvserver:
    get:
      operationId: listLbVserverStats
      summary: Citrix Netscaler Get Statistics for All Load Balancing Virtual Servers
      description: Retrieves performance statistics for all load balancing virtual servers including connection counts, traffic metrics, health status, and error rates.
      tags:
      - Statistics
      parameters:
      - name: sortby
        in: query
        description: Sort statistics by a specific metric.
        schema:
          type: string
          enum:
          - Hits
          - CPU-PM
        example: Hits
      - name: sortorder
        in: query
        description: Sort order for the statistics results.
        schema:
          type: string
          enum:
          - ascending
          - descending
          default: descending
        example: ascending
      - name: clearstats
        in: query
        description: Clear statistics after retrieval. Use basic for counters or full for all stats.
        schema:
          type: string
          enum:
          - basic
          - full
        example: basic
      responses:
        '200':
          description: Successful retrieval of LB virtual server statistics.
          content:
            application/json:
              schema:
                type: object
                properties:
                  lbvserver:
                    type: array
                    items:
                      $ref: '#/components/schemas/LbVserverStats'
              examples:
                Listlbvserverstats200Example:
                  summary: Default listLbVserverStats 200 response
                  x-microcks-default: true
                  value:
                    lbvserver:
                    - name: Example Title
                      primaryipaddress: example_value
                      primaryport: 10
                      type: example_value
                      state: UP
                      curclntconnections: 42.5
                      cursrvrconnections: 42.5
                      establishedconn: 42.5
                      curpersistencesessions: 42.5
                      vslbhealth: 42.5
                      actsvcs: 42.5
                      inactsvcs: 42.5
                      tothits: 42.5
                      hitsrate: 42.5
                      totalrequests: 42.5
                      requestsrate: 42.5
                      totalresponses: 42.5
                      responsesrate: 42.5
                      totalrequestbytes: 42.5
                      requestbytesrate: 42.5
                      totalresponsebytes: 42.5
                      responsebytesrate: 42.5
                      totalpktsrecvd: 42.5
                      pktsrecvdrate: 42.5
                      totalpktssent: 42.5
                      pktssentrate: 42.5
                      totalsvrbusyerr: 42.5
                      svrbusyerrrate: 42.5
                      surgecount: 42.5
                      totspillovers: 42.5
                      totvserverdownbackuphits: 42.5
                      avgcltttlb: 42.5
                      cltresponsetimeapdex: 42.5
                      cpuusagepm: 42.5
                      totalh2requests: 42.5
                      h2requestsrate: 42.5
                      totalh2responses: 42.5
                      h2responsesrate: 42.5
                      invalidrequestresponse: 42.5
                      invalidrequestresponsedropped: 42.5
                      sothreshold: 42.5
                      reqretrycount: 42.5
                      reqretrycountexceeded: 42.5
                      deferredreq: 42.5
                      deferredreqrate: 42.5
        '401':
          $ref: '#/components/responses/Unauthorized'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /stat/lbvserver/{name}:
    get:
      operationId: getLbVserverStats
      summary: Citrix Netscaler Get Statistics for a Specific Load Balancing Virtual Server
      description: Retrieves detailed performance statistics for a specific load balancing virtual server including connections, throughput, health, and APDEX scores.
      tags:
      - Statistics
      parameters:
      - name: name
        in: path
        required: true
        description: Name of the load balancing virtual server.
        schema:
          type: string
          minLength: 1
        example: Example Title
      - name: statbindings
        in: query
        description: Include statistics for bound services when set to yes.
        schema:
          type: string
          enum:
          - 'yes'
          - 'no'
        example: 'yes'
      responses:
        '200':
          description: Successful retrieval of virtual server statistics.
          content:
            application/json:
              schema:
                type: object
                properties:
                  lbvserver:
                    type: array
                    items:
                      $ref: '#/components/schemas/LbVserverStats'
                    minItems: 1
                    maxItems: 1
              examples:
                Getlbvserverstats200Example:
                  summary: Default getLbVserverStats 200 response
                  x-microcks-default: true
                  value:
                    lbvserver:
                    - name: Example Title
                      primaryipaddress: example_value
                      primaryport: 10
                      type: example_value
                      state: UP
                      curclntconnections: 42.5
                      cursrvrconnections: 42.5
                      establishedconn: 42.5
                      curpersistencesessions: 42.5
                      vslbhealth: 42.5
                      actsvcs: 42.5
                      inactsvcs: 42.5
                      tothits: 42.5
                      hitsrate: 42.5
                      totalrequests: 42.5
                      requestsrate: 42.5
                      totalresponses: 42.5
                      responsesrate: 42.5
                      totalrequestbytes: 42.5
                      requestbytesrate: 42.5
                      totalresponsebytes: 42.5
                      responsebytesrate: 42.5
                      totalpktsrecvd: 42.5
                      pktsrecvdrate: 42.5
                      totalpktssent: 42.5
                      pktssentrate: 42.5
                      totalsvrbusyerr: 42.5
                      svrbusyerrrate: 42.5
                      surgecount: 42.5
                      totspillovers: 42.5
                      totvserverdownbackuphits: 42.5
                      avgcltttlb: 42.5
                      cltresponsetimeapdex: 42.5
                      cpuusagepm: 42.5
                      totalh2requests: 42.5
                      h2requestsrate: 42.5
                      totalh2responses: 42.5
                      h2responsesrate: 42.5
                      invalidrequestresponse: 42.5
                      invalidrequestresponsedropped: 42.5
                      sothreshold: 42.5
                      reqretrycount: 42.5
                      reqretrycountexceeded: 42.5
                      deferredreq: 42.5
                      deferredreqrate: 42.5
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          description: Virtual server not found.
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /stat/csvserver:
    get:
      operationId: listCsVserverStats
      summary: Citrix Netscaler Get Statistics for All Content Switching Virtual Servers
      description: Retrieves performance statistics for all content switching virtual servers.
      tags:
      - Statistics
      responses:
        '200':
          description: Successful retrieval of content switching virtual server statistics.
          content:
            application/json:
              schema:
                type: object
                properties:
                  csvserver:
                    type: array
                    items:
                      $ref: '#/components/schemas/CsVserverStats'
              examples:
                Listcsvserverstats200Example:
                  summary: Default listCsVserverStats 200 response
                  x-microcks-default: true
                  value:
                    csvserver:
                    - name: Example Title
                      primaryipaddress: example_value
                      primaryport: 10
                      state: UP
                      curclntconnections: 42.5
                      cursrvrconnections: 42.5
                      establishedconn: 42.5
                      tothits: 42.5
                      hitsrate: 42.5
                      totalrequests: 42.5
                      requestsrate: 42.5
                      totalresponses: 42.5
                      responsesrate: 42.5
                      totalrequestbytes: 42.5
                      totalresponsebytes: 42.5
                      totalpktsrecvd: 42.5
                      totalpktssent: 42.5
                      totspillovers: 42.5
                      labelledconn: 42.5
        '401':
          $ref: '#/components/responses/Unauthorized'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /stat/csvserver/{name}:
    get:
      operationId: getCsVserverStats
      summary: Citrix Netscaler Get Statistics for a Specific Content Switching Virtual Server
      description: Retrieves detailed performance statistics for a specific content switching virtual server.
      tags:
      - Statistics
      parameters:
      - name: name
        in: path
        required: true
        description: Name of the content switching virtual server.
        schema:
          type: string
          minLength: 1
        example: Example Title
      responses:
        '200':
          description: Successful retrieval of virtual server statistics.
          content:
            application/json:
              schema:
                type: object
                properties:
                  csvserver:
                    type: array
                    items:
                      $ref: '#/components/schemas/CsVserverStats'
                    minItems: 1
                    maxItems: 1
              examples:
                Getcsvserverstats200Example:
                  summary: Default getCsVserverStats 200 response
                  x-microcks-default: true
                  value:
                    csvserver:
                    - name: Example Title
                      primaryipaddress: example_value
                      primaryport: 10
                      state: UP
                      curclntconnections: 42.5
                      cursrvrconnections: 42.5
                      establishedconn: 42.5
                      tothits: 42.5
                      hitsrate: 42.5
                      totalrequests: 42.5
                      requestsrate: 42.5
                      totalresponses: 42.5
                      responsesrate: 42.5
                      totalrequestbytes: 42.5
                      totalresponsebytes: 42.5
                      totalpktsrecvd: 42.5
                      totalpktssent: 42.5
                      totspillovers: 42.5
                      labelledconn: 42.5
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          description: Content switching virtual server not found.
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    LbVserverStats:
      type: object
      description: Performance and health statistics for a load balancing virtual server, including connection metrics, throughput, error rates, and APDEX scores.
      properties:
        name:
          type: string
          description: Name of the load balancing virtual server.
          example: Example Title
        primaryipaddress:
          type: string
          description: IP address of the virtual server.
          example: example_value
        primaryport:
          type: integer
          description: Port number of the virtual server.
          example: 10
        type:
          type: string
          description: Protocol type of the virtual server.
          example: example_value
        state:
          type: string
          description: Current operational state.
          enum:
          - UP
          - DOWN
          - UNKNOWN
          - BUSY
          - OUT OF SERVICE
          - GOING OUT OF SERVICE
          - DOWN WHEN GOING OUT OF SERVICE
          example: UP
        curclntconnections:
          type: number
          description: Number of current client connections.
          example: 42.5
        cursrvrconnections:
          type: number
          description: Number of current server connections.
          example: 42.5
        establishedconn:
          type: number
          description: Number of connections in ESTABLISHED state.
          example: 42.5
        curpersistencesessions:
          type: number
          description: Number of active persistence sessions.
          example: 42.5
        vslbhealth:
          type: number
          description: Percentage of UP services bound to this virtual server.
          example: 42.5
        actsvcs:
          type: number
          description: Number of active (UP) services.
          example: 42.5
        inactsvcs:
          type: number
          description: Number of inactive (DOWN) services.
          example: 42.5
        tothits:
          type: number
          description: Total number of virtual server hits since last restart.
          example: 42.5
        hitsrate:
          type: number
          description: Rate of hits per second.
          example: 42.5
        totalrequests:
          type: number
          description: Total number of requests received.
          example: 42.5
        requestsrate:
          type: number
          description: Rate of requests per second.
          example: 42.5
        totalresponses:
          type: number
          description: Total number of responses sent.
          example: 42.5
        responsesrate:
          type: number
          description: Rate of responses per second.
          example: 42.5
        totalrequestbytes:
          type: number
          description: Total number of request bytes received.
          example: 42.5
        requestbytesrate:
          type: number
          description: Rate of request bytes per second.
          example: 42.5
        totalresponsebytes:
          type: number
          description: Total number of response bytes sent.
          example: 42.5
        responsebytesrate:
          type: number
          description: Rate of response bytes per second.
          example: 42.5
        totalpktsrecvd:
          type: number
          description: Total packets received.
          example: 42.5
        pktsrecvdrate:
          type: number
          description: Rate of packets received per second.
          example: 42.5
        totalpktssent:
          type: number
          description: Total packets sent.
          example: 42.5
        pktssentrate:
          type: number
          description: Rate of packets sent per second.
          example: 42.5
        totalsvrbusyerr:
          type: number
          description: Total server busy errors.
          example: 42.5
        svrbusyerrrate:
          type: number
          description: Rate of server busy errors per second.
          example: 42.5
        surgecount:
          type: number
          description: Number of requests in the surge queue.
          example: 42.5
        totspillovers:
          type: number
          description: Total number of spillover events.
          example: 42.5
        totvserverdownbackuphits:
          type: number
          description: Total diversions to the backup virtual server.
          example: 42.5
        avgcltttlb:
          type: number
          description: Average client time-to-last-byte in microseconds.
          example: 42.5
        cltresponsetimeapdex:
          type: number
          description: APDEX score based on client response times (0.0-1.0).
          example: 42.5
        cpuusagepm:
          type: number
          description: CPU utilization in parts per million.
          example: 42.5
        totalh2requests:
          type: number
          description: Total HTTP/2 requests received.
          example: 42.5
        h2requestsrate:
          type: number
          description: Rate of HTTP/2 requests per second.
          example: 42.5
        totalh2responses:
          type: number
          description: Total HTTP/2 responses sent.
          example: 42.5
        h2responsesrate:
          type: number
          description: Rate of HTTP/2 responses per second.
          example: 42.5
        invalidrequestresponse:
          type: number
          description: Total invalid request/response count.
          example: 42.5
        invalidrequestresponsedropped:
          type: number
          description: Total dropped invalid request/response count.
          example: 42.5
        sothreshold:
          type: number
          description: Configured spillover threshold.
          example: 42.5
        reqretrycount:
          type: number
          description: Total request retry count.
          example: 42.5
        reqretrycountexceeded:
          type: number
          description: Times retry count was exceeded.
          example: 42.5
        deferredreq:
          type: number
          description: Number of deferred requests.
          example: 42.5
        deferredreqrate:
          type: number
          description: Rate of deferred requests per second.
          example: 42.5
    CsVserverStats:
      type: object
      description: Performance statistics for a content switching virtual server.
      properties:
        name:
          type: string
          description: Name of the content switching virtual server.
          example: Example Title
        primaryipaddress:
          type: string
          description: IP address of the virtual server.
          example: example_value
        primaryport:
          type: integer
          description: Port number of the virtual server.
          example: 10
        state:
          type: string
          description: Current operational state.
          enum:
          - UP
          - DOWN
          - UNKNOWN
          - BUSY
          - OUT OF SERVICE
          example: UP
        curclntconnections:
          type: number
          description: Number of current client connections.
          example: 42.5
        cursrvrconnections:
          type: number
          description: Number of current server connections.
          example: 42.5
        establishedconn:
          type: number
          description: Number of connections in ESTABLISHED state.
          example: 42.5
        tothits:
          type: number
          description: Total number of virtual server hits.
          example: 42.5
        hitsrate:
          type: number
          description: Rate of hits per second.
          example: 42.5
        totalrequests:
          type: number
          description: Total number of requests received.
          example: 42.5
        requestsrate:
          type: number
          description: Rate of requests per second.
          example: 42.5
        totalresponses:
          type: number
          description: Total number of responses sent.
          example: 42.5
        responsesrate:
          type: number
          description: Rate of responses per second.
          example: 42.5
        totalrequestbytes:
          type: number
          description: Total bytes of requests received.
          example: 42.5
        totalresponsebytes:
          type: number
          description: Total bytes of responses sent.
          example: 42.5
        totalpktsrecvd:
          type: number
          description: Total packets received.
          example: 42.5
        totalpktssent:
          type: number
          description: Total packets sent.
          example: 42.5
        totspillovers:
          type: number
          description: Total spillover events.
          example: 42.5
        labelledconn:
          type: number
          description: Total labeled connections.
          example: 42.5
    NitroErrorResponse:
      type: object
      description: NITRO API error response with details about the failure.
      properties:
        errorcode:
          type: integer
          description: Numeric error code identifying the specific error.
          example: 10
        message:
          type: string
          description: Human-readable error message.
          example: example_value
        severity:
          type: string
          description: Severity level of the error.
          enum:
          - ERROR
          - WARNING
          example: ERROR
  responses:
    Unauthorized:
      description: Authentication required. Provide a valid NITRO_AUTH_TOKEN cookie or X-NITRO-USER/X-NITRO-PASS headers.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/NitroErrorResponse'
  securitySchemes:
    nitroAuthToken:
      type: apiKey
      in: cookie
      name: NITRO_AUTH_TOKEN
      description: Session-based authentication token obtained via the /config/login endpoint. Provided as a cookie with each request.
    nitroBasicAuth:
      type: apiKey
      in: header
      name: X-NITRO-USER
      description: Per-request authentication using X-NITRO-USER and X-NITRO-PASS headers as an alternative to session-based tokens.
externalDocs:
  description: Citrix ADC NITRO API Reference Documentation
  url: https://developer-docs.netscaler.com/en-us/adc-nitro-api/current-release.html