app.yourcompany.com) instead of the default *.nativelyai.app subdomain. For teams building custom AI business software, a branded domain signals that you own the software — not just rent space on a vendor subdomain.
Custom domains are available on Builder plans and above. Free plans use the default platform subdomain only.
Platform subdomain
Every project gets a default platform subdomain when created:Connect a custom domain
1
Publish your app
Your app must be published before connecting a custom domain. See Publish your app.
2
Open domain settings
In your project, go to Settings → Domains.
3
Enter your hostname
Type the domain you want to connect — either a subdomain (
app.example.com) or an apex domain (example.com).4
Configure DNS
Builder shows the DNS records you need to add at your domain registrar. The records differ depending on whether you’re connecting a subdomain or apex domain:
5
Wait for verification
After adding DNS records, Builder verifies ownership and provisions an SSL certificate. Status updates appear in the domains panel — no page refresh needed.
Domain limits
- Up to 5 custom domains per environment (production, staging, dev) per project
- Only one primary domain per environment at a time
- Domains are scoped per environment — production and staging can have different domains
Domain status
Your domain moves through these states:Disconnect a domain
To remove a custom domain:- Open Settings → Domains
- Select the domain
- Click Disconnect
*.nativelyai.app URL.
Next steps
Publish your app
Make sure your app is published before connecting a domain.
Plans & credits
Check custom domain limits for your plan.

