Kai S. Huxmann
Templates by Kai S. Huxmann
Standardized workflow design pattern with color-coding system for teams
Objective This template helps you create clean, structured, and visually understandable workflows that are easy to read, present to clients, and collaborate on with teams. Whether you're onboarding a client, building reusable automations, or working across a team, this template gives you a solid foundation for workflow visual design and communication. --- ✨ What’s inside? ✅ Visual layout structure suggestion ✅ Clear segmentation into basic functional parts ✅ Color Coding suggestion to define meaning of colors 🎨 Color-coded nodes (with a built-in legend): 🟩 Green → Operational and stable 🟨 Yellow → Work in progress 🟥 Red → Failing / error 🟧 Orange → Needs review or improvement 🟦 Blue → User input required ⬛ Dark grey → Deprecated or paused 👥 Who is this for? This template is ideal for: 🔧 Freelancers or agencies delivering workflows to clients 👥 Teams working together on large-scale automations 🧱 Anyone creating reusable templates or internal standards 🧑🎓 Beginners who want to learn clean visual patterns supporting easy to maintain code base --- 📸 Why use this? > “A workflow should explain itself visually – this template helps it do just that.” Better team collaboration Easier onboarding of new developers Faster understanding for clients, even non-technical ones Reduces maintenance time in the long run --- 📌 How to use Clone this template and start from it when creating new workflows Keep color conventions consistent (especially in early project stages) Use it to build a visual standard across your team or organization --- 🚧 Reminder This is a non-functional template — it contains structure, patterns, and documentation examples only. Replace the example nodes with your own logic. ---
By Kai S. HuxmannImplement error-proof switch node fallbacks for reliable workflow control
What Most People Miss When Using Switch Nodes (and How to Fix It) Switch Node Best Practice The Switch node is powerful — but easy to misconfigure. Without a proper fallback, things can silently break. 🧨 Common pitfalls: The value is null or undefined due to earlier workflow errors Case mismatches ("Yes" vs "yes") Type mismatches (3 as number vs "3" as string) Forgotten or outdated conditions ➡️ Best Practice: Always enable the “Fallback” option and connect it to an Error or Notify node. This ensures misrouted executions don't silently fail — they alert you instead. Protect your workflow logic, and save yourself hours of debugging. 🛠️ 🚧 Reminder If you run this workflow it fails by design — this is the intended behaviour as explained above. Change the Dummy Data Node to one of the valid values to make it succeed. ---
By Kai S. HuxmannSecure GET webhooks with query parameter validation for limited authentication cases
How to secure GET Webhooks? What are webhooks? Webhooks are special URLs that instantly trigger workflows when they receive an incoming HTTP request (like GET or POST). They're perfect for connecting external tools to n8n in real time. 🔐 Why webhooks should be protected Unprotected webhooks are publicly accessible on the internet — anyone with the link can trigger your workflow. This can lead to spam, unwanted requests, or even data loss. ✅ Best Practice: Use built-in Authentication n8n provides native authentication options for webhook nodes: Basic Auth Header Auth JWT Auth These methods are highly recommended if supported by your external app or service. You can find them in the “Authentication” dropdown of the webhook node. 🛠️ When to use THIS SETUP Sometimes, external tools don’t support custom headers or advanced auth methods — for example: A button click in Google Sheets A link shared via email or chat with a trusted partner IoT devices or basic web apps In those cases, you can protect a webhook by adding a secret query parameter (e.g. ?secret=abc123xyz456...) and validating it with an IF node at the start of your workflow. This way, only those requests with the secret can trigger the core elements of your workflow. It's a simple yet powerful way to secure GET-based workflows. Only use if better methods aren't available.
By Kai S. Huxmann