DomainRegister provides a Registrar Module for HostBill, that allows you to register and manage your domains using your own HostBill install 

To use it:

• Ask for activation of DomainRegister Third Generation API
  
  
• From your client area, download the  install file
   
• Upload and extract the module into the main HostBill directory.
  
  
• Go to Settings → Modules → Domain Modules and activate module.
  
  
• Set credentials for the API connection.

NOTE: the module is provided for free and "as is", without any warranty or condition of any kind.
PHP source code is provided, and you're responsible for testing and using it, or customizing it as required.
No direct support is provided from us: for any issue, please refer to HostBill documentation and support.