Everyone demos a WhatsApp chatbot. Few run one in production with real customers sending real messages 24/7. After 18 months of running SARA — an open-source WhatsApp AI agent serving businesses across 20 industries — here's what we learned about architecture that survives contact with reality.
Source: [Dev.to](https://dev.to/alessandrobinda114/building-a-production-whatsapp-ai-agent-architecture-that-actually-works-2gfd)