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OpenAPI Specification

openapi: 3.2.0
info:
  title: SAML 2.0 SSO HTTP Bindings Metadata SLO API
  description: OpenAPI specification for SAML 2.0 Single Sign-On HTTP bindings as defined in the OASIS SAML 2.0 Bindings specification (saml-bindings-2.0-os). Covers the HTTP Redirect Binding and HTTP POST Binding used for AuthnRequest and Response message exchange between Service Providers and Identity Providers.
  version: 1.0.0
  contact:
    name: Kin Lane
    email: info@apievangelist.com
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: https://idp.example.com
  description: SAML 2.0 Identity Provider
- url: https://sp.example.com
  description: SAML 2.0 Service Provider
tags:
- name: SLO
  description: SAML 2.0 Single Logout operations.
paths:
  /saml/slo/redirect:
    get:
      operationId: sloRedirectBinding
      summary: SLO HTTP Redirect Binding
      description: Initiates or processes a SAML 2.0 Single Logout request or response using the HTTP Redirect Binding. Terminates sessions at the Identity Provider and participating Service Providers.
      tags:
      - SLO
      parameters:
      - name: SAMLRequest
        in: query
        required: false
        description: The deflated, base64-encoded LogoutRequest message. Either SAMLRequest or SAMLResponse MUST be present.
        schema:
          type: string
      - name: SAMLResponse
        in: query
        required: false
        description: The deflated, base64-encoded LogoutResponse message. Either SAMLRequest or SAMLResponse MUST be present.
        schema:
          type: string
      - name: RelayState
        in: query
        required: false
        description: Opaque state information maintained between request and response.
        schema:
          type: string
          maxLength: 80
      - name: SigAlg
        in: query
        required: false
        description: URI identifying the signature algorithm.
        schema:
          type: string
          format: uri
      - name: Signature
        in: query
        required: false
        description: Base64-encoded signature over the query string parameters.
        schema:
          type: string
      responses:
        '302':
          description: Redirect to next participant in the logout chain.
          headers:
            Location:
              description: URI of the next logout endpoint or final destination.
              schema:
                type: string
                format: uri
        '400':
          description: Invalid logout request.