By default, when a user visits a short link that doesn’t exist on Dub, they will see a placeholder “Link Not Found” page:Documentation Index
Fetch the complete documentation index at: https://dub-partner-network.mintlify.app/llms.txt
Use this file to discover all available pages before exploring further.

- Go to your workspace Domains settings tab.
- Click on the
⋮button next to the domain you want to set a custom not found URL for. - Select Edit Domain to edit the domain settings.
- Toggle the Not Found URL section to enable it, and enter the custom URL to redirect users to when a short link under your domain is not found.
- Click on the Save changes button to save the changes.
