Build an AI agent that replies to WhatsApp messages
Workflow Description
Automation that receives WhatsApp messages and sends intelligent responses using OpenAI, maintaining conversation context and enabling document search capabilities through vector storage.
How it works
- 1.Receive message from WhatsApp and forward to AI agent
- 2.Process text with OpenAI while preserving previous conversation context
- 3.Search vector database for relevant information
- 4.Generate intelligent response and send via WhatsApp
Use cases
- Automated customer service answering frequent inquiries
- Smart assistant reviewing documents and answering questions based on content
- 24/7 technical support bot available anytime
Requirements
- WhatsApp Business account with API enabled
- OpenAI API key
- Documents to load for search capability (optional)
Service Value
Ideal as a smart automation service combining integrations and AI to produce ready-to-use results.
Apps Used
Details
How to Use
- 1.Click "Download Template"
- 2.Open your n8n dashboard
- 3.Go to Workflows > Import from File
- 4.Select downloaded file and configure credentials
Nodes Used (28)
WhatsApp Trigger
Whats App Trigger
OpenAI Chat Model
OpenAI
Window Buffer Memory
Memory Buffer Window
Vector Store Tool
Tool Vector Store
Embeddings OpenAI
OpenAI
OpenAI Chat Model1
OpenAI
When clicking ‘Test workflow’
Manual Trigger
Embeddings OpenAI1
OpenAI
Default Data Loader
Document Default Data Loader
Recursive Character Text Splitter
Text Splitter Recursive Character Text Splitter
Extract from File
Extract From File
get Product Brochure
HTTP Request
Reply To User
Whats App
Reply To User1
Whats App
Product Catalogue
Vector Store In Memory
Sticky Note
Sticky Note
Sticky Note1
Sticky Note
Create Product Catalogue
Vector Store In Memory
Sticky Note2
Sticky Note
Sticky Note3
Sticky Note
Sticky Note4
Sticky Note
Sticky Note5
Sticky Note
Sticky Note6
Sticky Note
Sticky Note7
Sticky Note
Handle Message Types
Switch
Sticky Note8
Sticky Note
Sticky Note9
Sticky Note
AI Sales Agent
Agent