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Add a custom domain on development

Development environments use the assigned Scalekit URL. Custom domains require Production and Customization Pro.

A Development environment cannot use a branded custom domain. Configure Custom Domain stays disabled, with the hint: custom domains are available on Production after you upgrade to the Customization Pro add-on.

Use the assigned Development environment URL for local work. When you need auth.yourapp.com, switch to Production and follow Branded custom domains.

  • You can open the environment (Development or Production) from the header switcher
  • For a branded hostname, you can edit DNS for a domain you own
  • Customization Pro is billed at $99/month and includes custom domains, watermark removal, custom email provider, and custom email templates
  1. In the header, click the environment name (right of the workspace name).

    Choose the Development environment you use for local work.

  2. In the left nav, under Customize, click Custom Domain.

    The page shows Custom Domain Add-on, the Environment URL, and a Live badge.

  3. Copy the Environment URL (for example scalekit-xxxxx-dev.scalekit.cloud).

    Use that host in Development redirect URLs, SDK environmentUrl, and local tests. See Manage environments.

    Configure Custom Domain is disabled on Development. Hover it to read the Production + Customization Pro requirement.

  4. Switch the header to a Production environment.

    Open Customize > Custom Domain and click Configure Custom Domain.

    If Customization Pro is not on this environment, Scalekit opens the Customization Pro Add-on $99/month dialog. Click Upgrade, then continue with the CNAME steps in Branded custom domains.

Development

  1. Open the Environment URL in a browser
  2. Confirm the hosted login or admin page loads over HTTPS
  3. Confirm Development redirect URLs use that host, not a production hostname

Production (after upgrade)

  1. Configure Custom Domain is enabled
  2. DNS verifies and the branded host serves HTTPS
  3. Production redirect URLs use the branded host
Can I attach auth.dev.yourapp.com to Development?

Not through Custom Domain. That page only enables CNAME on Production with Customization Pro. Keep Development on the assigned *-dev.scalekit.cloud URL.

Can I reuse the production hostname in Development?

No. Use the Development environment URL so cookies and redirect URLs never collide with Production.