Integration of WhatsApp Business API, Messenger, and SMS with 3CX Chat via Twilio --- Project Overview: We want to integrate WhatsApp Business API, Facebook Messenger, and SMS into the 3CX chat system using Twilio as the primary communication bridge. The goal is to allow all messages (WhatsApp, Messenger, and SMS) to appear and be managed directly from the 3CX chat interface. The integration should be reliable, secure, and compliant with Meta and Twilio requirements. --- Objectives: Connect a verified WhatsApp Business number through Twilio’s API. Route incoming and outgoing WhatsApp, Messenger, and SMS messages into the 3CX chat system. Ensure messages sync correctly (two-way communication). Maintain message logs and delivery stability. --- Scope of Work: 1. WhatsApp Business API Setup Configure and connect a WhatsApp Business number via Twilio. Handle Meta Business verification and number approval. 2. Messenger Integration Link Facebook Messenger with the same Twilio setup or a compatible webhook. 3. 3CX Chat Integration Implement message routing so that WhatsApp, Messenger, and SMS conversations appear inside 3CX chat. Ensure messages sent from 3CX also deliver correctly to users. 4. Testing and Validation Test the setup end-to-end (WhatsApp, Messenger, SMS). Verify message flow and delivery reports. 5. Documentation & Support Provide documentation on configuration steps. Basic support after deployment to ensure everything runs smoothly. ..... Deliverables: Working integration of WhatsApp, Messenger, and SMS with 3CX chat. Verified and active WhatsApp Business number through Twilio. Full testing report showing successful message exchange across all platforms. Setup documentation. ..... Budget & Timeline: Delivery: 4 days Budget: $20 NZD