WhatService is an appointment-management SaaS with a 24/7 AI agent that responds on WhatsApp, Instagram, Facebook, Gmail and the business website.
The agent chats, schedules, confirms and reschedules appointments without human intervention, reducing no-shows by up to 80% through automated reminders.
Includes a smart calendar with drag-and-drop, monthly and weekly views, color-coded professionals, automatic conflict detection, multi-staff availability, a public booking site per business, and analytics on occupancy, no-shows and revenue.
Tech stack
Angular 20NestJS 11MongoDBTailwind CSSNx MonorepoShipSaaSKitWhatsApp Business APIMeta Graph APIGmail APIOpenAI / Claude APIPaddle