openapi: 3.2.0
info:
  description: 'Version and Patch API is used to provide the Cisco ISE version on which the Cisco ISE cluster is running, and a comma-separated list of the patches that are installed. The highest numbered patch is the patch that the cluster in running on.

    '
  version: 1.0.0
  title: Version and Patch Versionandpatch API
  x-provenance:
    method: harvested
    authored_by: Cisco
    harvested_by: API Evangelist
    harvested_on: '2026-08-19'
    first_party: true
    provider_published: true
    source_host: pubhub.devnetcloud.com
    note: 103 ISE API descriptions (1,490 operations; 32 OpenAPI 3.0.x + 71 Swagger 2.0) enumerated from Cisco's own DevNet project manifest and fetched anonymously. Byte-identity reconfirmed 2026-08-19 by SHA-256 against the live source.
  x-evidence:
  - type: source
    url: https://pubhub.devnetcloud.com/media/identity-services-engine-api-v1/docs/
  - type: source
    url: https://developer.cisco.com/docs/identity-services-engine/
tags:
- name: versionandpatch
paths:
  /ers/config/op/systemconfig/iseversion:
    get:
      tags:
      - versionandpatch
      summary: Get Cisco ISE version and patch information
      description: <p>This API allows the client to get Cisco ISE version and patch information.</p>
      parameters:
      - in: header
        name: Username Header
        description: <username>:<password>
        schema:
          type: string
      responses:
        200:
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/version'
            application/xml:
              schema:
                $ref: '#/components/schemas/version'
components:
  schemas:
    version:
      type: object
      properties:
        OperationResult:
          type: object
          properties:
            resultValue:
              type: array
              example:
              - value: 3.1.0.335
                name: version
              - value: '0'
                name: patch information
              items:
                properties:
                  name:
                    type: string