Curated

(5/5)

Building Your First WhatsApp Chatbot

1. Download Product Brochure PDF [Read more about the HTTP Request Tool](https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-base.httprequest) Import your marketing PDF document to build your vector store. This will be used as the knowledgebase by the Sales AI Agent. For this demonstration, we'll use the HTTP request node to import the YAMAHA POWERED LOUDSPEAKERS 2024 brochure ([Source](https://usa.yamaha.com/files/download/brochure/1/1474881/Yamaha-Powered-Loudspeakers-brochure-2024-e

Integrations Used (10)

Documentdefaultdataloader

Textsplitterrecursivecharactertextsplitter

HTTP Request

Vectorstoreinmemory

Agent

Workflow Structure (18 nodes)

100%

Manual Trigger

When clicking ‘Test workflow’

Http Request

get Product Brochure

Extract From File

Extract from File

Langchain.vector Store In Memory

Create Product Catalogue

Whats App Trigger

WhatsApp Trigger

Switch

Handle Message Types

Langchain.lm Chat Open Ai

OpenAI Chat Model

Langchain.agent

AI Sales Agent

Langchain.memory Buffer Window

Window Buffer Memory

Langchain.tool Vector Store

Vector Store Tool

Whats App

Reply To User

Langchain.embeddings Open Ai

Embeddings OpenAI1

Langchain.document Default Data Loader

Default Data Loader

Langchain.text Splitter Recursive Character Text Splitter

Recursive Character Text Splitter

Whats App

Reply To User1

Langchain.embeddings Open Ai

Embeddings OpenAI

Langchain.vector Store In Memory

Product Catalogue

Langchain.lm Chat Open Ai

OpenAI Chat Model1

Node Types:

trigger

default

logic

http

Requires credentials

Prerequisites

Required Credentials (3)

OpenAI

Used by: OpenAI Chat Model, Embeddings OpenAI +2 more

Docs

Whats App

Used by: Reply To User, Reply To User1

Docs

Whats App Trigger

Used by: WhatsApp Trigger

Docs

Multiple services required

This workflow needs 3 different credentials. Make sure you have accounts for all services before importing.

Complexity

Advanced

Expert level. Custom code, complex logic, many integrations.

Setup time: ~50 min

Score: 65/100

Conditional Logic

5 Integrations

When to Use This Workflow

Streamline Team Communication

Automatically route notifications and updates to the right channels and people.

Reduce information overload while keeping everyone informed.

Real-time Response

React instantly when events happen - new orders, form submissions, or API calls.

Zero delay between trigger and action for time-sensitive workflows.

Error Reduction

Eliminate human error from routine processes with consistent automation.

Improve accuracy and reliability across your workflows.

workflow.json

{
  "meta": {
    "instanceId": "408f9fb9940c3cb18ffdef0e0150fe342d6e655c3a9fac21f0f644e8bedabcd9"
  },
  "nodes": [
    {
      "id": "77ee6494-4898-47dc-81d9-35daf6f0beea",
      "name": "WhatsApp Trigger",
      "type": "n8n-nodes-base.whatsAppTrigger",
      "position": [
        1360,
        -280
      ],
      "webhookId": "aaa71f03-f7af-4d18-8d9a-0afb86f1b554",
      "parameters": {
        "updates": [
          "messages"
        ]
      },
      "credentials": {
...