Building Your First Whats App Chatbot
Integrate WhatsApp and OpenAI and LangChain and Manual Trigger and Extract From File and Http Request and Sticky Note and Switch automatically using n8n.
Importing this blueprint? Follow the n8n guide — credentials, test runs, and common pitfalls.
Open import docs →Download Integration Assets
Import this community-sourced blueprint into your n8n dashboard. Review nodes and credentials before going live.
Connected Apps
Interactive Workflow Canvas
Drag nodes vertically to re-order execution sequence. Edit or add steps to customize your blueprint.
Execution Steps
-
WhatsApp Trigger
Processes and automates operations via the WhatsApp integration.
WhatsApp -
OpenAI Chat Model
Processes and automates operations via the OpenAI integration.
OpenAI -
Window Buffer Memory
Processes and automates operations via the LangChain integration.
LangChain -
Vector Store Tool
Processes and automates operations via the LangChain integration.
LangChain -
Embeddings OpenAI
Processes and automates operations via the OpenAI integration.
OpenAI -
OpenAI Chat Model1
Processes and automates operations via the OpenAI integration.
OpenAI -
When clicking ‘Test workflow’
Processes and automates operations via the Manual Trigger integration.
Manual Trigger -
Finalize Pipeline Processing
Runs the remaining 21 actions to complete the workflow.
n8n
Optimize your tech stack and automate workflows between WhatsApp, OpenAI, LangChain, Manual Trigger, Extract From File, Http Request, Sticky Note, Switch natively.
This verified AI automation workflow blueprint runs on n8n and enables real-time data syncs, content generation, or notifications without writing complex code.
Prerequisites
- An n8n account (self-hosted or Cloud)
- API access keys and credentials for: WhatsApp, OpenAI, LangChain, Manual Trigger, Extract From File, Http Request, Sticky Note, Switch
Setup Guide
- Download Blueprint: Click the download button above to get the raw JSON file.
- Import to n8n: Open your n8n canvas, click settings in the top-right, and choose Import from File. Upload the JSON file.
- Configure Node Credentials: Double-click each node representing WhatsApp, OpenAI, LangChain, Manual Trigger, Extract From File, Http Request, Sticky Note, Switch and authenticate with your account credentials.
- Activate Scenario: Test the flow manually by clicking Test step on the trigger, verify the output, then toggle the workflow to Active to start running.
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