Cisco Expressway Upgrade API

openapi: 3.1.0
info:
  title: Cisco Expressway Configuration Admin Account Upgrade API
  description: RESTful API for configuring and managing Cisco Expressway systems including zones, search rules, transforms,
    DNS servers, NTP servers, SFTP configuration, system upgrades, and admin account management. The API uses JSON Schema
    version 4 for request and response schemas and is self-documented via RAML definitions available at /api/raml on the Expressway
    system. All endpoints require HTTPS and HTTP Basic Authentication using Expressway administrator credentials.
  version: 14.2.0
  contact:
    name: Cisco TAC
    email: tac@cisco.com
    url: https://www.cisco.com/c/en/us/support/unified-communications/expressway-series/tsd-products-support-series-home.html
  license:
    name: Cisco EULA
    url: https://www.cisco.com/c/en/us/about/legal/cloud-and-software/end_user_license_agreement.html
  x-logo:
    url: https://www.cisco.com/c/dam/en/us/products/collateral/unified-communications/expressway-series/datasheet-c78-733751.jpg
  x-provenance:
    method: derived
    authored_by: API Evangelist
    derived_on: '2026-08-19'
    first_party: false
    provider_published: false
    source: Modelled from the provider's public HTML documentation.
    note: 'Not published by the provider. Probed 2026-08-19: no anonymously fetchable first-party contract. Served by each
      customer''s own Expressway appliance; no central spec.'
servers:
- url: https://{host}/api
  description: Cisco Expressway server
  variables:
    host:
      default: expressway.example.com
      description: The FQDN or IP address of the Cisco Expressway node. The API is only accessible via HTTPS.
security:
- basicAuth: []
tags:
- name: Upgrade
  description: System upgrade operations
paths:
  /v1/provisioning/common/upgrade:
    post:
      operationId: triggerUpgrade
      summary: Cisco Expressway Trigger a system upgrade
      description: Initiates a system software upgrade on the Expressway. The SFTP configuration must be set before triggering
        the upgrade. The upgrade process downloads the image via SFTP and optionally reboots the system automatically.
      tags:
      - Upgrade
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpgradeRequest'
      responses:
        '200':
          description: Upgrade initiated successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UpgradeResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
  /v1/status/common/upgradestatus:
    get:
      operationId: getUpgradeStatus
      summary: Cisco Expressway Retrieve upgrade progress status
      description: Returns the current status of any in-progress or recent system upgrade on the Expressway, including the
        download progress percentage, upgrade phase, and any error messages. This endpoint is documented in the Cisco Expressway
        REST API Summary Guide as a primary status retrieval endpoint.
      tags:
      - Upgrade
      responses:
        '200':
          description: Upgrade status retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UpgradeStatus'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
components:
  responses:
    Unauthorized:
      description: Authentication credentials are missing or invalid. The API requires HTTP Basic Authentication with administrator
        credentials over HTTPS.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: The request body contains invalid data or missing required fields.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Forbidden:
      description: The authenticated user does not have sufficient permissions for this operation.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    UpgradeStatus:
      type: object
      description: Status of an in-progress or recent system upgrade operation
      properties:
        Status:
          type: string
          description: Current phase of the upgrade
          enum:
          - Idle
          - Downloading
          - Downloaded
          - Upgrading
          - Complete
          - Failed
        ProgressPercentage:
          type: integer
          description: Download or upgrade progress as a percentage (0-100)
          minimum: 0
          maximum: 100
        CurrentVersion:
          type: string
          description: Currently installed software version
          examples:
          - X14.0
        TargetVersion:
          type: string
          description: Target software version for the upgrade
          examples:
          - X14.2
        Message:
          type: string
          description: Human-readable status or error message
        LastUpgradeTime:
          type: string
          format: date-time
          description: Timestamp of the last completed upgrade
    Error:
      type: object
      description: Standard error response from the Expressway API
      properties:
        error:
          type: string
          description: Error code or type
        message:
          type: string
          description: Human-readable error description
    UpgradeRequest:
      type: object
      description: Request body for triggering a system upgrade
      properties:
        ImageDownloadMode:
          type: string
          description: Method for downloading the upgrade image
          enum:
          - SFTP
        UpgradeFileName:
          type: string
          description: Filename of the upgrade image
          examples:
          - s42701x14_2_0.tar.gz
        AutoReboot:
          type: boolean
          description: Whether to automatically reboot after upgrade download completes
          default: false
      required:
      - UpgradeFileName
    UpgradeResponse:
      type: object
      description: Response from a system upgrade request
      properties:
        Status:
          type: string
          description: Current status of the upgrade operation
          enum:
          - Downloading
          - Downloaded
          - Upgrading
          - Complete
          - Failed
        Message:
          type: string
          description: Human-readable status message
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: HTTP Basic Authentication using Expressway administrator credentials. The API is only accessible via HTTPS.
externalDocs:
  description: Cisco Expressway REST API Summary Guide (X14.2)
  url: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/admin_guide/X14-2/rest-api/exwy_b_cisco-expressway-rest-api-summary-guide--x142/exwy_m_using-the-expressway-rest-api.html