WhatsApp Marketing Dashboard with Dynamic Broadcasts from Google Sheets to Meta Templates

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This workflow provides a complete backend solution for building your own WhatsApp marketing dashboard. It enables you to send dynamic, personalized, and rich-media broadcast messages to an entire contact list stored in Google Sheets. The system is built on three core functions: automatically syncing your approved Meta templates, providing an API endpoint for your front-end to fetch those templates, and a powerful broadcast engine that merges your contact data with the selected template for mass