Description We are an India-based B2B company providing EOT Crane services & spares. We need a freelancer to set up Meta WhatsApp Cloud API (official) for outgoing broadcast messaging, button-based auto replies, and automatic data capture into Google Sheets. The solution must be open-source, scalable, and future-ready. We already own a GoDaddy domain but do not have hosting — hosting & deployment must be included. Key Requirements WhatsApp Cloud API integration (Meta official) Broadcast messages using approved templates Button-based chatbot (rule-based, no AI now) Chatbot should ask questions and store answers in Google Sheets Scheduled / milestone-based messages (AMC, service due, reminders) Initial contacts: 5,000, scalable to 25,000 Basic inbox to view replies (full CRM not required now) 1 month handholding & support Tech Stack (OPEN SOURCE ONLY) Backend: Node.js / Python / PHP Frameworks: Express / FastAPI / Laravel (community) Database (if required): MySQL / PostgreSQL Scheduling: Cron / open-source tools Hosting: Linux-based (Ubuntu preferred) ❌ No proprietary CRM or WhatsApp bulk tools ✔ Only Meta WhatsApp Cloud API Payment Milestones (Fixed) 20% – Major development completed 70% – Fully tested & live 10% – After 1-month handholding