AI-Powered WhatsApp Chatbot with Google Docs Knowledge Base
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Automate your customer support on WhatsApp with this AI-powered chatbot. It processes incoming messages, leverages a Google Docs knowledge base for instant answers, and sends intelligent responses directly back to your users, enhancing customer experience and operational efficiency.
About This Workflow
Revolutionize your WhatsApp customer interactions using this sophisticated n8n workflow. It intelligently captures incoming messages, validates their content, and dynamically fetches relevant information from a Google Docs knowledge base. The workflow then feeds this combined data to an AI (like Gemini, as hinted in the code) to generate precise and helpful responses. Finally, it delivers these AI-powered answers back to the user via WhatsApp, ensuring quick, accurate, and consistent support around the clock. This automation reduces manual effort, improves response times, and scales your customer service capabilities effortlessly.
Key Features
- Intelligent WhatsApp Message Processing: Automatically receives, extracts, and validates incoming WhatsApp messages, including sender, content, and timestamp.
- Dynamic Knowledge Base Integration: Seamlessly pulls critical business information from a specified Google Docs document to serve as the chatbot's knowledge source.
- AI-Powered Response Generation: Integrates with an AI model (e.g., Gemini) to craft intelligent, context-aware answers based on the user's query and the comprehensive knowledge base.
- Robust Message Validation: Filters out empty or excessively long messages (over 1000 characters), providing appropriate feedback or preventing unnecessary processing.
- Automated WhatsApp Replies: Sends instant, formatted responses directly back to the user via a configured WhatsApp API, enhancing user experience and responsiveness.
- Basic Error Handling: Includes a mechanism to detect and handle errors in message processing, allowing for fallback actions like sending dedicated error notifications.
How To Use
- Configure WhatsApp Webhook: Set up your WhatsApp API (e.g., Venom, or official Meta API) to send incoming messages to an n8n webhook, which will trigger this workflow.
- Update Google Docs URL: In the "Get Knowledge Base" node, replace the
documentURLparameter with the public URL or ID of your Google Docs document containing your knowledge base. Ensure the document is shareable. - Integrate AI Model: (Implicit) Connect an AI node (e.g., OpenAI, Gemini, Hugging Face) between "Extract Knowledge" and "Format Response." Configure it to take the user's
messageand theknowledgeBaseas input to generate aresponseText. - Customize WhatsApp API Endpoints: In "Send to WhatsApp" and "Send Error Response" nodes, update the
urlparameters to point to your specific WhatsApp API's send message endpoint, along with relevantAuthorizationheaders. - Set Credentials: Ensure your Google Docs (for knowledge base) and HTTP Bearer/Header (for WhatsApp API) credentials are correctly configured within n8n.
- Activate Workflow: Once all configurations are complete and tested, activate the workflow to start processing WhatsApp messages and responding automatically.
Apps Used
Workflow JSON
{
"id": "27c508f1-f8b0-4a41-9315-3c74d8ccd5c8",
"name": "AI-Powered WhatsApp Chatbot with Google Docs Knowledge Base",
"nodes": 5,
"category": "Operations",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
Get This Workflow
ID: 27c508f1-f8b0...
About the Author
SaaS_Connector
Integration Guru
Connecting CRM, Notion, and Slack to automate your life.
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