AI Sales Chatbot for WhatsApp with OpenAI

n8n · complex · 28 nodes

Building Your First WhatsApp Chatbot is an n8n automation template that deploys an OpenAI-powered AI chatbot inside WhatsApp, receiving incoming messages and responding through a dedicated AI Sales Agent node. Trigger: new WhatsApp message. The 28-node workflow includes Window Buffer Memory for conversation context, an OpenAI embeddings-based vector store for product catalogue lookups, document ingestion via Default Data Loader, Recursive Character Text Splitter, and Extract from File, plus Handle Message Types and Reply To User nodes for structured response handling. Integrations: HTTP Request, OpenAI, WhatsApp. Ideal for developers and businesses looking to launch a knowledge-base-driven sales bot in one of the world's most widely used messaging apps.