WhatsApp Project Update App

I need a small application that lets me push short project-status messages to three specific business owners on WhatsApp without any fuss. The core idea is speed and reliability: write the update once, hit send, and know it reached the right people... (Budget: ₹12500 - ₹37500 INR, Jobs: API Integration, Backend Development, Database Management, Frontend Development, JavaScript, Mobile App Development, Software Testing, Web Development)