AI & Voice Agents with n8n: Learn, Build & Automate Projects | Udemy

Learn how to build and deploy AI agents for real-world business applications through hands-on projects. This course takes you from AI agent fundamentals to advanced automation workflows, giving you the skills to design, automate, and deploy intelligent systems.

You’ll start by exploring what AI agents are, their real-world and e-commerce use cases, and how they differ from traditional automation. From there, you’ll gain practical experience with n8n no-code automation, setting up workflows on AWS, and integrating popular tools like Retell AI, Twilio, and Nano Banana.

Introduction

• Overview of the AI Agent
• What is an AI Agent
• Real-World AI Agent Examples
• AI Agent Use Cases
• E-commerce Use Cases of AI Agents
• Key Features of AI Agents

Automation Vs AI Agent

• What is Automation
• Automation vs. AI Agents
• Top Platforms for Building Smart AI Agents

Getting Started with n8n

• Introduction to n8n
• Why Use n8n?
• Different Installation Methods for n8n

Install n8n on AWS (Self-Hosted, Free Edition)

• Launch Ubuntu EC2 for n8n
• Installing Docker on Ubuntu
• Create a Docker Compose and .env File
• Installing n8n Using Docker Compose
• Access n8n via Web URL
• Activate n8n License
• Overview of the n8n Dashboard

Project 1: AI Agent with Memory and Tools

• Introduction to the First n8n AI Agent Project
• Building an AI Model with Groq LLM
• APIs in AI Agent Project
• Enhancing AI Agent with Memory Buffer
• Integrating SerpAPI with AI Agent for Live Data
• Executing AI Agent to Get Live Info
• Accessing AI Agent via URL

n8n Installation with HTTPS on Your Domain – Step-by-Step

• Quick Walkthrough of the Steps
• Launching an Ubuntu EC2 Instance
• Installing n8n Using Docker
• Accessing n8n Server via HTTP Only
• Registering a Domain for n8n
• Point Domain to Server via A Record
• Set Up Nginx Reverse Proxy for n8n
• Nginx Configuration for n8n
• Configure SSL to Secure n8n with HTTPS

Project 2: Automating Form Submissions to Google Sheet and Gmail

• Getting Started with the n8n AI Agent Project
• Create a Node in n8n Form to Define Details
• Attach Google Sheet Node and Connect via OAuth
• Google Access Issues and Fixes
• Enable APIs: Google Sheets, Gmail, etc.
• Run n8n and Verify Google Sheet Updates
• Attach Gmail Node for Email Notifications
• Run n8n Workflow and Verify

Project 3: Weather Report Automation (Trigger → HTTP Request → Code →  Gmail)

• Overview of the Project with Live Demo
• Add HTTP Request Node with Trigger
• Configure HTTP Request Parameters
• Attach Code Node to Extract Data
• Attach Gmail Node to Send Weather Updates

Project 4: AI Voice Agent for Appointment Reminders

• Live Project Demo
• Key Steps to Implement Voice AI Agent
• Set Up Appointment in Google Calendar
• Connect Google Calendar Node to Trigger
• Google Access Issues and Fixes
• Add Code Node to Process Calendar Event Data
• Custom JavaScript: Extract Key Details

Retell AI: Create Your Voice AI Agent

• Retell AI Voice Overview
• Creating Voice AI Agent
• Call Functions in AI Agent
• Acquire a Phone Number

Twilio: Buy a Number for Voice AI Agent

• Overview: Purchasing a Number and SIP Trunking
• Buy a Number
• Elastic SIP Trunking – 1
• Elastic SIP Trunking – 2
• Connect Number to AI Agent via SIP Trunk

Project 4: AI Voice Agent for Appointment Reminders – HTTP Request Node

• Overview of Next HTTP Request Node
• Configure Authorization in HTTP Request
• Configure Send Body in HTTP Request
• Troubleshooting Voice AI Agent & Fixes
• Run Workflow: Voice AI Agent Call
• AI Agent: Knowledge Base
• Voice AI Agent: Ask Knowledge Base Queries

Project 5: AI Fashion Image Generator with Nano Banana + n8n workflow

• Nano Banana Project: Workflow Overview
• Trigger: Form Submission
• Upload an image via an HTTP request
• Define HTTP request parameters
• Image Analysis using the OpenAI Node
• Generate API credentials in your OpenAI account
• Set the parameters for the Analyze Image node
• AI Agent: Chat Model + Think Tool
• Configure a prompt in the AI Agent
• Integrate Chat Model + Think Tool in AI Agent
• Queue Image using HTTP Request (Nano Banana API)
• Create an API key on Falai
• Run the workflow and verify image on Falai
• Fetch Image (HTTP Request)
• Insert Wait Node
• If Node: Check if image is ready or processing
• Get Image via HTTP Request
• Send Image via Gmail Node
• Configure Gmail Node parameters

Final check: validate images, nodes, and results

• Final Workflow Execution – 1
• Final Workflow Execution – 2
• Last Lecture