SBI Card's WhatsApp campaign automation system orchestrates AI-driven personalized image generation, media upload, and bulk message delivery through a four-tier architecture. Data flows from employee CSV through custom processing, AI personalization, and media generation before reaching the Meta WhatsApp API for delivery at scale. This enterprise pattern demonstrates how to integrate LLM endpoints, image generation models, and safety guardrails into a CPaaS-driven campaign pipeline. Fork and customize this diagram on Diagrams.so to adapt the workflow for your own WhatsApp Business API integrations, modify personalization logic, or swap AI model endpoints. The architecture emphasizes security via encryption, identity controls, and WAF protection—critical for financial services messaging compliance.