WhatsApp AI Agent with Smart Escalation, RAG Knowledge Retrieval

Built an end-to-end WhatsApp AI assistant that handles inbound customer conversations, retrieves accurate answers from a vector knowledge base, and escalates to human agents when required. The system combines n8n orchestration, WATI WhatsApp API, OpenAI models, RAG logic, and smart escalation rules to deliver fast, reliable, and brand-safe support at scale.