Use Custom URL not working for public app

I'm having trouble using a custom URL from my domain ( in my app. The "Use Custom URL" option is not clickable after I published my app as a public app.

I have already configured and validated my DNS, and I'm using the Retool Business plan that I received from the Retool startup program.

I'm not sure what else I need to do to make it work. Am I missing something?

hey @lrolim

if you duplicate the app, do you see Custom URL show up in Page Settings?

because when trying to replicate this I came across the exact same behavior -- disabled Custom URL and no options in page settings. When I looked for the app in the homepage, it wasn't there! and when I duplicated it, it showed up... very strange. maybe a bug, unless I am missing something too.

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Thank you! It works now.

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