In WHMCS, you can configure your domain registration and pricing settings and choose a registrar to customize how you sell domains.
The configuration.php file contains many of the most important and sensitive configuration details for your WHMCS installation.
Troubleshoot and resolve issues with domain renewal invoices that the system has set to Cancelled.
Configure your domain grace and redemption fees to charge customers for renewing expired domains during the grace and redemption periods.
Your Domain Pricing configuration sets the prices for domain registrations and how to handle namespinning, premium domains, and more.
Customize your own gace period lengths for domain names if you don't want to use the default for the domain extension (TLD).
The Registrar TLD Sync feature imports domain extension (TLD) information and pricing from domain registrars that support syncing.