openapi: 3.2.0
info:
  version: '9.0'
  title: NGINX Plus REST HTTP Limit Conns API
  description: NGINX Plus REST API provides access to NGINX Plus status information, on-the-fly configuration of upstream servers and key-value pairs management for http and stream.
servers:
- url: /api/9
tags:
- name: HTTP Limit Conns
paths:
  /http/limit_conns/:
    get:
      tags:
      - HTTP Limit Conns
      summary: Return status of all HTTP limit_conn zones
      description: Returns status information for each HTTP limit_conn zone.
      operationId: getHttpLimitConnZones
      parameters:
      - in: query
        name: fields
        description: Limits which fields of limit_conn zones will be output. If the “<literal>fields</literal>” value is empty, then only zone names will be output.
        schema:
          type: string
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NginxHTTPLimitConnZonesMap'
        '404':
          description: Unknown version (*UnknownVersion*)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NginxError'
  /http/limit_conns/{httpLimitConnZoneName}:
    parameters:
    - name: httpLimitConnZoneName
      in: path
      description: The name of a [limit_conn zone](https://nginx.org/en/docs/http/ngx_http_limit_conn_module.html#limit_conn_zone).
      required: true
      schema:
        type: string
    get:
      tags:
      - HTTP Limit Conns
      summary: Return status of an HTTP limit_conn zone
      description: Returns status of a particular HTTP limit_conn zone.
      operationId: getHttpLimitConnZone
      parameters:
      - name: fields
        in: query
        description: Limits which fields of the [limit_conn zone](https://nginx.org/en/docs/http/ngx_http_limit_conn_module.html#limit_conn_zone) will be output.
        schema:
          type: string
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NginxHTTPLimitConnZone'
        '404':
          description: 'limit_conn not found (*LimitConnNotFound*),

            unknown version (*UnknownVersion*)

            '
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NginxError'
    delete:
      tags:
      - HTTP Limit Conns
      summary: Reset statistics for an HTTP limit_conn zone
      description: Resets the connection limiting statistics.
      operationId: deleteHttpLimitConnZoneStat
      responses:
        '204':
          description: Success
        '404':
          description: 'limit_conn not found (*LimitConnNotFound*),

            unknown version (*UnknownVersion*)

            '
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NginxError'
        '405':
          description: Method disabled (*MethodDisabled*)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NginxError'
components:
  schemas:
    NginxHTTPLimitConnZonesMap:
      title: HTTP limit_conns
      description: 'Status data for all HTTP

        <a href="https://nginx.org/en/docs/http/ngx_http_limit_conn_module.html#limit_conn_zone">limit_conn zones</a>.

        '
      type: object
      additionalProperties:
        $ref: '#/components/schemas/NginxHTTPLimitConnZone'
    NginxHTTPLimitConnZone:
      title: HTTP Connections Limiting
      type: object
      properties:
        passed:
          type: integer
          description: The total number of connections that were neither limited nor accounted as limited.
        rejected:
          type: integer
          description: The total number of connections that were rejected.
        rejected_dry_run:
          type: integer
          description: The total number of connections accounted as rejected in the <a href="https://nginx.org/en/docs/http/ngx_http_limit_conn_module.html#limit_conn_dry_run">dry run</a> mode.
      example:
        passed: 15
        rejected: 0
        rejected_dry_run: 2
    NginxError:
      title: Error
      description: 'nginx error object.

        '
      type: object
      properties:
        error:
          type: object
          properties:
            status:
              type: integer
              description: HTTP error code.
            text:
              type: string
              description: Error description.
            code:
              type: string
              description: Internal nginx error code.
        request_id:
          type: string
          description: The ID of the request, equals the value of the <a href="https://nginx.org/en/docs/http/ngx_http_core_module.html#var_request_id">$request_id</a> variable.
        href:
          type: string
          description: Link to reference documentation.