Custom Domain setup not working for auth0/auth0-spa-js

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I’m trying to implement custom domains with auth0/auth0-spa-js.
I’ve followed all the instructions from the documentation provided.


  1. Using universal login with no custom login page
  2. Setting domain on the front end to the my approved custom domain
  3. Setting backend jwt issuer to (with the slash at the end)

I don’t know what else I am missing. My custom domain is managed by cloudflare and I set the CNAME ‘login’ to the correct address provided by auth0. What could I be missing?


We are running into this exact same issue, and Auth0 support hasn’t identified the cause. This is causing real issues for us because without using a custom domain silent authorization is failing on a number of browsers. Could someone from the Auth0 team provide guidance?

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It’s the only reason I upgraded from my legacy plan! Any help would be appreciated!

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Any help here, anyone? @studsterkel