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Custom Domains

Note: Custom domains are currently in development and not yet available in the private beta. This documentation is provided for reference and will be activated when the feature launches.

You will be able to use your own branded custom domains instead of the default FastAPI Cloud subdomains. Stay tuned for updates!

We’re working on custom domain support that will allow you to:

  • Brand your application: Use api.yourcompany.com instead of your-app-123.fastapicloud.dev
  • Simple setup: Just point your DNS to FastAPI Cloud
  • Automatic verification: We’ll verify domain ownership

When custom domains become available, the setup process will be:

In the FastAPI Cloud dashboard:

  1. Navigate to your app
  2. Go to SettingsDomains
  3. Click Add Custom Domain
  4. Enter your domain (e.g., api.example.com)

Update your DNS records:

Type: CNAME
Name: api (or your subdomain)
Value: your-app-123.customdomain.fastapicloud.com
TTL: 300 (or automatic)

We’ll verify you own the domain by checking:

  • DNS records are correctly configured
  • Domain points to your app
  • No conflicts with other accounts

Once verified:

  • TLS/SSL certificate is automatically issued
  • Certificate is installed and activated
  • HTTPS is enabled for your domain
  • HTTP traffic is redirected to HTTPS

While we build custom domain support, you can use:

Your app is accessible at an automatic FastAPI Cloud URL like:

https://your-app-123.fastapicloud.dev

These URLs:

  • Have SSL/TLS enabled by default
  • Are globally accessible
  • Work immediately after successful deployment