Syncing WHMCS and INinbox is currently on our roadmap
WHMCS is the leading web hosting management and billing software that automates all aspects of your business from billing, provisioning, domain reselling, support, and more. WHMCS easily integrates with all the leading control panels, payment processors, domain registrars and cloud service providers.
INinbox is an email marketing service provider that enables businesses around the globe to easily create, send & track emails. At the same time it automates time consuming tasks via 200+ connections with other well known business applications.
PieSync is easy to use and helps you build your business by increasing productivity. Our two-way contact integration will decrease data errors and ensure that you and your team will have access to the most up to date customer information.