Complete Guide to Using n8n: The Open-Source Automation Engine

Giovanna Caneva

Sr. Creative Content & Marketing Specialist at Coderhouse

Artificial Intelligence

Complete Guide to Using n8n: The Open-Source Automation Engine

Published on

n8n has become one of the most interesting tools in the world of automation. Its open-source philosophy and visual approach let you create complex flows without writing a single line of code. In this guide you'll learn how it works, how to use it step by step and how to integrate it with artificial intelligence to take your projects to another level.

What is n8n?

n8n (pronounced “n-eight-n”) comes from the term nodemation, a fusion of “node” and “automation”. Each flow in n8n is made up of nodes —blocks that represent actions or events— that can connect to each other to create automated processes. From sending emails to processing data or connecting APIs, everything can be managed visually.

Its main advantage is freedom: being open source, you can use it in the cloud or install it on your own server. This makes it an ideal tool both for those just starting out and for teams looking for more customization and control.

Why learn n8n?

Learning n8n opens the door to the universe of modern automation. It lets you connect services, data and AI tools without depending on a closed environment. In addition, its modular logic is similar to that of other platforms also taught at Coderhouse —like Make, Flowise or AgentBuilder—, so mastering one makes it easier to learn the others.

With n8n you can:

  • Design systems that respond automatically to events.

  • Process and transform data between different tools.

  • Integrate AI models (like ChatGPT or Claude) to analyze or generate information.

  • Build flows that combine logic, creativity and efficiency.

How to get started with n8n (step by step)

  1. Go to n8n.io and create a free account.

  2. You can also install it locally with Docker or Node.js.

  3. In the main panel, click “New Workflow”.

  4. Add a Trigger Node (for example, “Webhook” or “Google Sheet Trigger”).

  5. Add Action Nodes like “HTTP Request”, “Send Email” or “ChatGPT API Call”.

  6. Connect the nodes and run the flow to see how it behaves step by step.

Example: text summary with AI

Let's imagine you want to automatically summarize documents or emails. You can create a flow like this:

  1. Trigger: New file in Google Drive.

  2. Action 1: Extract text from the document.

  3. Action 2: Send that text to the OpenAI API with a prompt: “Summarize this text in 3 sentences”.

  4. Action 3: Save the result in Notion or send it via Slack.

This way, every time you upload a document, n8n will use artificial intelligence to summarize it automatically.

Popular use cases

  • Digital marketing: automatic reports, lead classification or content generation.

  • Data and analysis: combining data sources, cleaning information and creating dashboards.

  • Education: generating certificates, notifications or personalized materials.

  • Entrepreneurs: connecting management, accounting or sales tools without depending on code.

How to use AI within n8n

n8n lets you easily integrate AI models through the HTTP Request node. You can connect it with OpenAI, Hugging Face or even Flowise to combine data, text and image. You can also create custom agents using AgentBuilder.

By integrating AI, n8n becomes a tool that doesn't just execute actions, but reasons, generates and decides. That's why it's one of the foundations of Coderhouse's AI Automation course.

Train with professional support

Learning no-code automation is a highly valued skill, but mastering it with artificial intelligence is what sets you apart. At Coderhouse, you'll learn step by step to create flows with n8n, Make, Flowise and AgentBuilder, applying AI in real scenarios with the guidance of expert tutors.

Recommended Coderhouse courses

If you'd like to keep exploring this topic, you can also read how to automate daily tasks with artificial intelligence.

Frequently asked questions

Is n8n free?

Yes, n8n has a completely free and open-source version that you can install or use online. It also offers paid plans to scale projects.

Can I use n8n without knowing how to program?

Of course. Most flows are built by dragging and connecting nodes visually. You only need to understand the logic behind the processes.

What sets n8n apart from other tools in the course?

Its open-source nature and its flexibility to integrate APIs make it ideal for custom projects. In the AI Automation course you'll learn when to use n8n, Make, Flowise or AgentBuilder depending on the objective.

Can I integrate AI into my flows?

Yes. You can connect n8n with ChatGPT, Claude, Hugging Face or other models to process text, generate content or analyze information.

Conclusion

n8n is much more than an automation tool: it's a gateway to systematic thinking and integration with artificial intelligence. If you want to learn to automate, create smart flows and master tools that today lead the change in digital work, train with Coderhouse and take your knowledge to another level.

Sources and references

About the author

Giovanna Caneva

Hi! People call me Gio 👋🏽 I hold a degree in Advertising with a solid track record in digital marketing and content management across UGC, influencers, paid media & owned media. I've collaborated with industries in the Tech, Beauty, Fashion and Finance worlds, each of which added value to my professional profile from a different angle. 📲 I'm a heavy social media user, which keeps me constantly up to date on trends, vocabulary and best practices across the different platforms. To learn more about my background, feel free to check out my LinkedIn profile!

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© 2026 Coderhouse. All rights reserved.

English

© 2026 Coderhouse. All rights reserved.

English

© 2026 Coderhouse. All rights reserved.

English

© 2026 Coderhouse. All rights reserved.