Curated

(5/5)

Business WhatsApp AI RAG Chatbot

STEP 4 RAG System Respond webhook receives various POST Requests from Meta regarding WhatsApp messages (user messages + status notifications) Check if the incoming JSON contains user message Echo back the text message to the user. This is a custom message, not a WhatsApp Business template message

Integrations Used (11)

Documentdefaultdataloader

Textsplittertokensplitter

Webhook

Memorybufferwindow

Workflow Structure (18 nodes)

100%

Manual Trigger

When clicking ‘Test workflow’

Http Request

Create collection

Http Request

Refresh collection

Google Drive

Get folder

Google Drive

Download Files

Langchain.embeddings Open Ai

Embeddings OpenAI

Langchain.vector Store Qdrant

Qdrant Vector Store

Langchain.text Splitter Token Splitter

Token Splitter

Langchain.document Default Data Loader

Default Data Loader

Webhook

Respond

Webhook

Verify

is Message?

Respond To Webhook

Respond to Webhook

Whats App

Only message

Langchain.agent

AI Agent

Langchain.lm Chat Open Ai

OpenAI Chat Model

Langchain.memory Buffer Window

Window Buffer Memory

Whats App

Send

Node Types:

trigger

default

http

action

logic

Requires credentials

Prerequisites

Required Credentials (5)

Google Drive

Used by: Get folder, Download Files

Docs

HTTP Header Auth

Used by: Create collection, Refresh collection

Docs

OpenAI

Used by: OpenAI Chat Model, Embeddings OpenAI

Docs

Qdrant

Used by: Qdrant Vector Store

Docs

Whats App

Used by: Only message, Send

Docs

Multiple services required

This workflow needs 5 different credentials. Make sure you have accounts for all services before importing.

Complexity

Advanced

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

Setup time: ~1 hour

Score: 75/100

Conditional Logic

6 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

{
  "id": "APCp9GPNjUSFPSfJ",
  "meta": {
    "instanceId": "a4bfc93e975ca233ac45ed7c9227d84cf5a2329310525917adaf3312e10d5462",
    "templateCredsSetupCompleted": true
  },
  "name": "Business WhatsApp AI RAG Chatbot",
  "tags": [],
  "nodes": [
    {
      "id": "2c5b2dd1-c63f-4bc9-909e-5f4b2a385d01",
      "name": "Respond to Webhook",
      "type": "n8n-nodes-base.respondToWebhook",
      "position": [
        1020,
        1040
      ],
      "parameters": {
        "options": {},
        "respondWith": "text",
...