Login.gov Logout API

RP-initiated logout and session termination.

Documentation GitHub OpenAPI

Operations 2

GET /openid_connect/logout RP-Initiated Logout #

POST /api/saml/logout2026 SAML Single Logout (HTTP-POST) #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Login Gov Logout API
  version: 2026-01
  contact:
    name: Login.gov Partner Support
    url: https://developers.login.gov
    email: partners@login.gov
  license:
    name: Public Domain (U.S. Government Work)
    url: https://www.usa.gov/government-works
  description: 'Operations tagged Logout across 2 of this provider''s published API definitions: login-gov-oidc-openapi.yml, login-gov-saml-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://idp.int.identitysandbox.gov
  description: Sandbox (integration) environment
- url: https://secure.login.gov
  description: Production environment
tags:
- name: Logout
  description: RP-initiated logout and session termination.
paths:
  /openid_connect/logout:
    get:
      tags:
      - Logout
      summary: RP-Initiated Logout
      operationId: logout
      description: 'Ends the user''s Login.gov session. After confirmation the browser is redirected to the

        pre-registered `post_logout_redirect_uri` with the original `state` value.'
      parameters:
      - name: client_id
        in: query
        required: true
        description: Registered relying party identifier.
        schema:
          type: string
      - name: post_logout_redirect_uri
        in: query
        required: true
        description: Pre-registered post-logout redirect URI.
        schema:
          type: string
          format: uri
      - name: state
        in: query
        required: false
        description: Opaque value (minimum 22 characters) echoed back to `post_logout_redirect_uri`.
        schema:
          type: string
          minLength: 22
      responses:
        '302':
          description: Redirect back to `post_logout_redirect_uri` after the user confirms logout.
    servers:
    - url: https://idp.int.identitysandbox.gov
      description: Sandbox (integration) environment
    - url: https://secure.login.gov
      description: Production environment
  /api/saml/logout2026:
    post:
      tags:
      - Logout
      summary: SAML Single Logout (HTTP-POST)
      operationId: samlSlo
      description: Accepts a signed `LogoutRequest` from the SP and terminates the user's Login.gov session.
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - SAMLRequest
              properties:
                SAMLRequest:
                  type: string
                  description: Base64-encoded SAML LogoutRequest.
                RelayState:
                  type: string
      responses:
        '200':
          description: LogoutResponse posted back to the SP's SLO endpoint.
    servers:
    - url: https://idp.int.identitysandbox.gov
      description: Sandbox (integration) environment
    - url: https://secure.login.gov
      description: Production environment
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: opaque
x-refined-from:
- login-gov-oidc-openapi.yml
- login-gov-saml-openapi.yml

Login.gov Logout API

Operations 2

Documentation

Specifications

Schemas & Data

Other Resources