Back to Building your first WhatsApp chatbot

Set Up: Building your first WhatsApp chatbot

This workflow builds a WhatsApp chatbot backed by an AI agent that can intelligently answer customer questions about products. It processes product catalog documents, stores them in a vector database for quick retrieval, and responds to WhatsApp messages using contextual product information.

What This Automation Does

Import and process product catalog

Retrieves product brochure data via HTTP request and extracts text contents for processing.

Build vector store knowledge base

Uploads processed text content to in-memory vector store to create searchable product catalog database.

Capture WhatsApp messages

Uses WhatsApp trigger to receive customer messages and filters out non-text message types.

Process messages with AI agent

Sends customer messages to AI agent which queries the product catalog using vector store tools.

Send intelligent responses

Returns AI-generated responses with relevant product information back to customers via WhatsApp.

Prerequisites

WhatsApp Business Account with API access
OpenAI API key for language model
Product catalog or brochure data source
Webhook URL for WhatsApp integration

Services Used

Whats App TriggerOpenAIWhatsApp Business

Services with alternatives — you can swap them in the next step.

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