A booking flow that closes the loop through WhatsApp.

Built Diez de Diez as a mobile-first scheduling product for service businesses that need a simple online booking page and fewer manual follow-ups. Customers book from a fast web page, receive an instant WhatsApp confirmation, and get automatic appointment reminders with actions to confirm or request a new time. The product includes business onboarding, service and schedule management, public booking pages, WhatsApp-style customer messaging, reminders, confirmation flows, pricing surfaces, and a Next.js and Convex foundation for authenticated business workflows.