What is n8n and How to Use It?
A Beginner's Guide

What Is n8n?

n8n (pronounced "nodemation") is an open-source, no-code workflow automation tool that lets you connect apps, APIs, and AI services together using a visual drag-and-drop interface — no programming experience required. It works by linking together individual building blocks called nodes, each representing an action or a service, so data flows automatically between your tools exactly the way you design it. Whether you want to auto-send Slack messages when a form is submitted, or have an AI summarise your emails every morning, what is n8n and how to use it is one of the most valuable things you can learn in 2026.

Why Beginners Should Start with n8n (vs Zapier/Make)

When most people start their automation journey, they reach for tools like Zapier or Make (formerly Integromat). Both are excellent, but they come with real limitations for anyone serious about learning automation. Zapier locks you into a task-based pricing model that quickly becomes expensive, while Make's visual interface can feel cluttered and hard to read for beginners. n8n sits in a different category entirely.

For learners, n8n is the clear winner for three reasons. First, it is completely free to self-host — you can run it on your own computer or a cheap server with no monthly fees and no task limits. Second, its canvas-based interface is clean and intuitive, so you can actually see the data flowing between nodes as you build. Third, n8n has native AI nodes built directly into the tool, meaning you can plug in OpenAI, Claude, or Gemini without needing a separate service. This is why we teach n8n as the foundation in our AI Automation courses at Codevantum.

Key Concepts: Nodes, Workflows, and Triggers

Before you build your first workflow, it helps to understand three core ideas. These concepts underpin everything in n8n and will become second nature within your first hour of use.

Nodes

A node is a single unit of work inside n8n. Each node represents one thing: connecting to an app, transforming data, making an API call, or running AI logic. n8n has over 400 built-in integrations — from Google Sheets and Gmail to Notion, Airtable, Stripe, and Slack. You place nodes on a canvas and draw connections between them to define the order in which they run.

Workflows

A workflow is the complete blueprint of your automation — the full set of nodes and the connections between them. Think of it as a flowchart that n8n executes automatically. You can have multiple workflows running simultaneously, each triggered independently. Workflows can be as simple as two nodes or as complex as a multi-branch AI decision tree.

Triggers

Every workflow starts with a trigger node. This is the event that kicks off your automation. Common triggers include: a new row added to a Google Sheet, a webhook receiving data from an external source, a scheduled time (e.g., every day at 9 AM), or a new email arriving in your inbox. The trigger node determines when your workflow runs; the rest of the nodes determine what happens next.

How to Set Up Your First n8n Workflow (Step by Step)

Getting started with n8n takes less than ten minutes. Here is the fastest path from zero to your first working automation:

1. Install n8n locally. Open your terminal and run npx n8n. npm will download and launch n8n automatically. Once it starts, open your browser at http://localhost:5678. You will see the n8n dashboard.
2. Create a new workflow. Click the New Workflow button in the top-right corner. You will land on a blank canvas — this is where you build.
3. Add a trigger node. Click the large + button on the canvas and search for "Schedule". Set it to trigger every minute so you can test quickly. For real workflows, you might use a Webhook or an email trigger instead.
4. Add an action node. Click the + icon on the right side of your trigger node and search for "Gmail" (or any app you have access to). Select the "Send Email" operation, connect your Google account using OAuth, and fill in the recipient and message body.
5. Test your workflow. Click Test Workflow. n8n will run each node in sequence and show you the data output at every step in real time. Green checkmarks mean success.
6. Activate it. Toggle the Active switch in the top-right corner. Your workflow is now live and will run automatically on your schedule.

That's the core loop — trigger, action, test, activate. Once you're comfortable with this pattern, you can chain together as many nodes as you need. If you want a guided walkthrough of this process alongside real projects, check out our n8n beginner courses at Codevantum.

5 Beginner-Friendly n8n Automations to Try

The best way to understand what is n8n and how to use it is to build something real. Here are five simple automations that every beginner should try. Each one teaches a different core skill.

• Google Form → Notion Database. Whenever someone submits a Google Form, automatically create a new entry in a Notion database. This teaches you how to use a Webhook trigger and map data fields between nodes.
• RSS Feed → Slack Digest. Poll a news RSS feed every hour and send a summary of new articles to a Slack channel. Great for practising the HTTP Request node and the Schedule trigger.
• New Gmail → Airtable Log. When an email arrives from a specific sender, log the subject, sender, and date to an Airtable base. Teaches filtering with IF nodes.
• Daily Weather Report. At 7 AM every day, call a weather API, format the response, and send yourself a WhatsApp or Telegram message. Introduces API requests and the Code node for light data formatting.
• Typeform Lead → CRM + Email. When a lead submits a Typeform, add their details to HubSpot and send them an automatic welcome email. This is a two-action workflow and mimics real business automation.

n8n + AI: The Power Combination

Where n8n truly separates itself from other automation tools is its deep, built-in support for AI agents and large language models. In recent versions, n8n introduced a dedicated AI Agent node that lets you connect any LLM — OpenAI GPT-4, Anthropic Claude, Google Gemini — and give it tools it can use autonomously to complete tasks.

Imagine building a workflow where an AI agent reads every incoming support ticket, decides its category (billing, technical, or general), drafts a personalised reply, and routes it to the right team — all without a human touching it. Or a content pipeline where an agent pulls trending topics from Reddit, writes a short-form post for each one, and schedules them directly to your social media calendar. These are not futuristic ideas — they are workflows you can build in n8n today, often in under an hour.

The AI Agent node supports tool use, meaning your agent can be given access to nodes like "Search the web", "Read a Google Doc", or "Send an email" — and it will decide on its own which tools to call and in what order to achieve the goal you set. This is the foundation of agentic automation, and learning it inside n8n gives you a huge advantage in the AI job market. Explore our blog for more tutorials on building AI agents, and visit our courses page to go deep on every concept covered in this guide.