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2024Communication Technology Startup6 months

WhatsApp Automation Platform

A SaaS platform for businesses to automate customer communication across WhatsApp, SMS, and email. Includes an AI-powered chatbot, broadcast messaging, contact segmentation, and campaign analytics.

The Problem

The client needed a scalable platform to automate WhatsApp communication for B2C businesses — enabling broadcast campaigns, AI-driven responses to common queries, and a unified inbox for human handoff.

Our Solution

Built a multi-tenant SaaS platform integrating the WhatsApp Business API via SendBird, with an AI chatbot layer using OpenAI for intent detection and automated responses. Includes a full campaign management dashboard, contact tagging, and delivery analytics.

Results

  • Platform handles thousands of messages per day in production
  • AI chatbot resolves 60%+ of inbound queries without human intervention
  • Multi-tenant architecture supports multiple business accounts
  • Campaign analytics with delivery, open, and response rate tracking

Tech Stack

React
Next.js
Node.js
SendBird
MongoDB
OpenAI API
AWS

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WhatsApp Automation Platform | HashBuilt