Update: Log out doesn’t work and automatically signs in user

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This is simply to add my experience to this thread which is now closed.

Log out doesn’t work and automatically sign in

Here is a quick checklist to ensure that your auth0 signout is working:

  1. Ensure that you have your domain url as an “allowed logout URL” in your auth0 application settings.
  2. Ensure that you format your logout request url like this:
    https://YOURTENANT.auth0.com/v2/logout?returnTo=YOURAUTHORIZEDLOGOUTURL&client_id=THECLIENTIDFORYOURAPPLICATION
  3. Finally the gotcha for me was: If you are using a custom domain for working with auth0.com, logout will not work using YOURTENANT.auth0.com. At least this was the fix for me that I couldn’t find anywhere else.

This means that if you are using mycooldomain.com as custom domain for auth0.com this will work:
https://mycooldomain.com/v2/logout?returnTo=YOURAUTHORIZEDLOGOUTURL&client_id=THECLIENTIDFORYOURAPPLICATION
but this will not:
https://YOURTENANT.auth0.com/v2/logout?returnTo=YOURAUTHORIZEDLOGOUTURL&client_id=THECLIENTIDFORYOURAPPLICATION

Took me a while (too long) to suss that one out.

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Thanks a lot @peterflat for sharing that knowledge with the rest of community!

Can’t mark first post as an answer so will paste it here. Here’s @peterflat knowledge which is a solution to this thread:

-------------------------> Solution <------------------------

This is simply to add my experience to this thread which is now closed.

Log out doesn’t work and automatically sign in

Here is a quick checklist to ensure that your auth0 signout is working:

  1. Ensure that you have your domain url as an “allowed logout URL” in your auth0 application settings.
  2. Ensure that you format your logout request url like this:
    https://YOURTENANT.auth0.com/v2/logout?returnTo=YOURAUTHORIZEDLOGOUTURL&client_id=THECLIENTIDFORYOURAPPLICATION
  3. Finally the gotcha for me was: If you are using a custom domain for working with auth0.com, logout will not work using YOURTENANT.auth0.com . At least this was the fix for me that I couldn’t find anywhere else.

This means that if you are using mycooldomain.com as custom domain for auth0.com this will work:
https://mycooldomain.com/v2/logout?returnTo=YOURAUTHORIZEDLOGOUTURL&client_id=THECLIENTIDFORYOURAPPLICATION
but this will not:
https://YOURTENANT.auth0.com/v2/logout?returnTo=YOURAUTHORIZEDLOGOUTURL&client_id=THECLIENTIDFORYOURAPPLICATION

Took me a while (too long) to suss that one out.