AI-Powered WhatsApp Chatbot 🤖📲 for Text, Voice, Images & PDFs with memory 🧠

n8n template #3586

Summary

This workflow is a highly advanced multimodal AI assistant designed to operate through WhatsApp. It can understand and respond to text, images, voice messages, and PDF documents by combining OpenAI models with smart logic to adapt to the content received. 🎯 Core Features 📥 1. Automatic Message Type Detection Using the Input type node, the bot detects whether the user has sent: Text Voice messages Images Files (PDF) Other unsupported content 💬 2. Smart Text Message Handling Text messages are processed by an OpenAI GPT-4o-mini agent with a customized system prompt. Replies are concise, accurate, and formatted for mobile readability. 🖼️ 3. Image Analysis & Description Images are downloaded,

How to set it up

Open template #3586 on n8n.io and click Use for free, or copy the template JSON and paste it onto an empty canvas in n8n.
Create 3 credentials under Credentials → Add credential: WhatsApp Business Cloud, OpenAI Chat Model, OpenAI. Then open each of those nodes and pick the credential.
Check the model in the AI Agent node. The template may point at a model your account can't use; swap it for one you have access to.
Click Execute workflow and step through each node's output to confirm the data looks right.
Toggle the workflow to Active so its trigger runs on its own.

Hand off to your agent

Prompt

Help me set up the n8n workflow "AI-Powered WhatsApp Chatbot 🤖📲 for Text, Voice, Images & PDFs with memory 🧠" (https://n8n.io/workflows/3586). It uses: HTTP Request, WhatsApp Business Cloud, Code, AI Agent, OpenAI Chat Model, Simple Memory, OpenAI. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.

Paste into Claude Code and it will do the rest.

Apps and nodes

HTTP Request WhatsApp Business Cloud Code AI Agent OpenAI Chat Model Simple Memory OpenAI

Questions

Yes. Davide Boizza published it free on n8n.io as a verified creator, and it has 71K views. It runs on n8n Cloud or a self-hosted n8n instance.

WhatsApp Business Cloud, OpenAI Chat Model, OpenAI. The other 4 nodes are built into n8n.

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