Cisco Secure Client Authentication API

The Authentication API from Cisco Secure Client — 2 operation(s) for authentication.

Documentation GitHub OpenAPI

Specifications

https://raw.githubusercontent.com/api-evangelist/cisco-secure-client/refs/heads/main/openapi/cisco-secure-client-authentication-api-openapi.yml

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OpenAPI Specification

openapi: 3.1.0
info:
  title: Cisco Secure Firewall Management Center API (Secure Client management plane) AccessPolicies Authentication API
  description: 'The Cisco Secure Firewall Management Center (FMC) REST API configures

    remote-access VPN gateways, group policies, devices, and Secure Client

    profiles distributed to endpoints. Authentication uses a token generated

    via the generatetoken endpoint and passed as the X-auth-access-token

    header on subsequent calls; the response also returns an

    X-auth-refresh-token used to refresh.

    '
  version: 1.0.0
  contact:
    name: Cisco DevNet
    url: https://developer.cisco.com/docs/secure-firewall-management-center-api/
  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. No fetchable contract
      found on Cisco''s developer properties.'
servers:
- url: https://{fmcHost}
  variables:
    fmcHost:
      default: fmc.example.com
      description: Hostname of the Secure Firewall Management Center
security:
- tokenAuth: []
tags:
- name: Authentication
paths:
  /api/fmc_platform/v1/auth/generatetoken:
    post:
      tags:
      - Authentication
      summary: Generate an access token
      operationId: generateToken
      security:
      - basicAuth: []
      responses:
        '204':
          description: Token returned in X-auth-access-token / X-auth-refresh-token headers
          headers:
            X-auth-access-token:
              schema:
                type: string
            X-auth-refresh-token:
              schema:
                type: string
            DOMAIN_UUID:
              schema:
                type: string
        '401':
          description: Authentication failed
  /api/fmc_platform/v1/auth/refreshtoken:
    post:
      tags:
      - Authentication
      summary: Refresh an access token
      operationId: refreshToken
      parameters:
      - in: header
        name: X-auth-access-token
        required: true
        schema:
          type: string
      - in: header
        name: X-auth-refresh-token
        required: true
        schema:
          type: string
      responses:
        '204':
          description: New token in response headers
components:
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
    tokenAuth:
      type: apiKey
      in: header
      name: X-auth-access-token