AI Agents

WhatsApp automation

28 nodes 206 122 Automatic trigger
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Workflow Description

An intelligent WhatsApp automation system powered by an AI agent leveraging OpenAI. It receives messages, processes them through a language model, retrieves information from a vector database, and sends smart, contextual responses directly to users via WhatsApp.

How it works

  1. 1.Receive incoming messages through WhatsApp trigger
  2. 2.Process and split text using Text Splitter component
  3. 3.Convert information into embeddings and store in Vector Store
  4. 4.Call OpenAI API to generate intelligent context-aware responses
  5. 5.Access memory buffer to track previous conversation history
  6. 6.Send generated responses directly via WhatsApp

Use cases

  • Automated customer support that responds to common inquiries instantly
  • Document analysis and Q&A based on uploaded knowledge bases

Requirements

  • Active WhatsApp Business account with API enabled
  • OpenAI API key with appropriate permissions
  • Source documents or data loaded into the Vector Store for context

Service Value

Ideal as a smart automation service combining integrations and AI to produce ready-to-use results.

Apps Used

WhatsApp OpenAI Memory Vector Store Document Default Data Loader Text Splitter AI Agent

Details

Trigger Automatic trigger
Nodes 28
Apps 7
Views 206
Downloads 122

How to Use

  1. 1.Click "Download Template"
  2. 2.Open your n8n dashboard
  3. 3.Go to Workflows > Import from File
  4. 4.Select downloaded file and configure credentials

Nodes Used (28)

/

WhatsApp Trigger

Whats App Trigger

#1

OpenAI Chat Model

OpenAI

#2

Window Buffer Memory

Memory Buffer Window

#3

Vector Store Tool

Tool Vector Store

#4

Embeddings OpenAI

OpenAI

#5

OpenAI Chat Model1

OpenAI

#6

When clicking ‘Test workflow’

Manual Trigger

#7

Embeddings OpenAI1

OpenAI

#8

Default Data Loader

Document Default Data Loader

#9

Recursive Character Text Splitter

Text Splitter Recursive Character Text Splitter

#10

Extract from File

Extract From File

#11

get Product Brochure

HTTP Request

#12

Reply To User

Whats App

#13

Reply To User1

Whats App

#14

Product Catalogue

Vector Store In Memory

#15

Sticky Note

Sticky Note

#16

Sticky Note1

Sticky Note

#17

Create Product Catalogue

Vector Store In Memory

#18

Sticky Note2

Sticky Note

#19

Sticky Note3

Sticky Note

#20

Sticky Note4

Sticky Note

#21

Sticky Note5

Sticky Note

#22

Sticky Note6

Sticky Note

#23

Sticky Note7

Sticky Note

#24

Handle Message Types

Switch

#25

Sticky Note8

Sticky Note

#26

Sticky Note9

Sticky Note

#27

AI Sales Agent

Agent

#28