Client FAQ bot with RAG using Google Drive PDFs & Azure GPT-4o-mini

Description:

Build your own AI-powered Client FAQ system with Retrieval-Augmented Generation (RAG) — fully automated using n8n, Google Drive, and Azure OpenAI (GPT-4o-mini). This no-code automation enables your clients or team to ask questions through a webhook, and get precise answers sourced directly from a collection of PDF documents stored in Google Drive. Ideal for support teams, sales enablement, onboarding automation, and customer self-service — this RAG-powered bot ensures accurate, document-based answers with no hallucinations or AI guesses.

What This Template Does (Step-by-Step):

🌐 Webhook Trigger for Incoming Questions - Accepts POST requests with a client’s question - Triggers the entire FAQ automation on request

🗂️ Search Google Drive Folder for Source Documents - Connects to a specific Google Drive folder (e.g., “Case Studies”) - Fetches all PDFs to be used as the context source

📥 Downloads and Processes Each File - Downloads all matched files - Extracts clean text from each PDF file

🔄 Iterates Over Each File for Text Extraction - Loops through multiple files - Extracts relevant content from each file individually

🧠 Prepares Clean Context + Question for RAG - Combines the extracted PDF text into a single context block - Injects the user’s question into the RAG-ready prompt