Add a ClientManually add clients during checkout, in the Client Area, or in the Admin Area. Each customer must have a client account in WHMCS.
Add and Associate UsersAdd users manually, associate them with existing clients, and change the client account owner. Users own and manage client accounts.
Match User and Client DetailsMake sure the details for a user and an associated client match by updating them manually. These details do not automatically sync.
Reset a User PasswordInitiate a password reset for a user who has lost their Client Area password. Users can also initiate password resets on the login form.
Activate an AffiliateAfter you enable and configure the Affiliate system, you can convert existing clients into affiliates in the Client Area or Admin Area.
Customize Affiliate LinksCustomize the redirect location for your affiliates' links by updating your WHMCS system's domain or by editing the aff.php file.
Delete Inactive ClientsConfigure WHMCS to automatically delete data for inactive clients after they have terminated all services and a period of time has lapsed.
Export Client DataExport an individual client's data as a downloadable JSON file. You can use this to fulfill clients' requests for their own data.
Require Opting-In to EmailsOffer clients the choice to opt in or out of your marketing email list during checkout or in their account details in the Client Area.
Require Terms and ConditionsRequire all new customers to read and agree to your Terms of Service before they can place an order for your products or services.
Resend a Welcome EmailEasily resend a copy of the welcome email that the system sent when that client bought a specific product, addon, or domain.