This article explains how to enable the Open ID Connect (OIDC) logout URL to be available in the OIDC discovery endpoint.
 

curl -X GET https://acme.eu.auth0.com/.well-known/openid-configuration
{
  "issuer": "https://acme.eu.auth0.com/",
  "authorization_endpoint": "https://acme.eu.auth0.com/authorize",
  ...
  "end_session_endpoint": "https://acme.eu.auth0.com/oidc/logout"
}

• Open ID Connect (OIDC)
• Logout URL

The Relying Party (RP)-initiated logout endpoint, also known as the OIDC Endpoint logout endpoint, is currently available for all Auth0 tenants. For Auth0 tenants created on or after 14 November 2023, RP-Initiated Logout End Session Endpoint Discovery is enabled by default.

Follow the video or steps below.

The OIDC Logout URL can be enabled in two ways:

• Auth0 Dashboard
• Management API

Auth0 Dashboard

1. Open the Auth0 Dashboard.
2. Navigate to Settings > Advanced. 
3. Enable the toggle for RP-Initiated Logout End Session Endpoint Discovery.
4. Click Save.
   
   

Management API

1. By using the Update tenant settings Management API:
2. Set `rp_logout_end_session_endpoint_discovery` to true, E.g,

{
  "oidc_logout": {
    "rp_logout_end_session_endpoint_discovery": true
  }
}

Related References

• Log Users Out of Auth0 with OIDC Endpoint