This article provides a complete, practical walkthrough of the Code Webhook Automate Webhook n8n agent. It connects HTTP Request, Webhook across approximately 1 node(s). Expect a Intermediate setup in 15-45 minutes. One‑time purchase: €29.

What This Agent Does

This agent orchestrates a reliable automation between HTTP Request, Webhook, handling triggers, data enrichment, and delivery with guardrails for errors and rate limits.

It streamlines multi‑step processes that would otherwise require manual exports, spreadsheet cleanup, and repeated API requests. By centralizing logic in n8n, it reduces context switching, lowers error rates, and ensures consistent results across teams.

Typical outcomes include faster lead handoffs, automated notifications, accurate data synchronization, and better visibility via execution logs and optional Slack/Email alerts.

How It Works

The workflow uses standard n8n building blocks like Webhook or Schedule triggers, HTTP Request for API calls, and control nodes (IF, Merge, Set) to validate inputs, branch on conditions, and format outputs. Retries and timeouts improve resilience, while credentials keep secrets safe.

Third‑Party Integrations

• HTTP Request
• Webhook

Import and Use in n8n

1. Open n8n and create a new workflow or collection.
2. Choose Import from File or Paste JSON.
3. Paste the JSON below, then click Import.
4. Show n8n JSON

   Title:  
   Visualize Your n8n Workflows with Mermaid.js: A Dynamic Dashboard to Monitor Automation
   
   Meta Description:  
   Discover how to create a visual dashboard for your n8n workflows using mermaid.js. This interactive setup offers a clear, browser-based interface to display and explore workflows, node connections, and metadata.
   
   Keywords:  
   n8n, workflow automation, mermaid.js, automation dashboard, n8n visualization, workflow visualizer, low-code automation, workflow chart, flowchart generator, n8n monitoring, code-free automation, n8n instance overview
   
   Third-Party APIs or Libraries Used:
   
   - mermaid.js (for rendering flowcharts in the browser)
   - Bootstrap 5 (for responsive UI styling)
   - n8n Internal API (used internally to list and fetch workflows via API credentials)
   - n8n blog RSS (https://blog.n8n.io/rss/) for fetching latest blog content
   
   Article:
   
   ---
   
   # Visualize Your n8n Workflows with Mermaid.js: A Dynamic Dashboard to Monitor Automation
   
   n8n is one of the most flexible low-code platforms for workflow automation, empowering both developers and non-technical users to connect applications and automate tasks with ease. However, as the number of workflows in an n8n instance grows, it becomes increasingly difficult to grasp the system-wide logic and connections at a glance.
   
   That’s where the "Workflow Dashboard with mermaid.js" comes in — an interactive workflow visualizer developed using n8n's internal capabilities and mermaid.js, a JavaScript-based tool for diagramming and flowcharts. This project turns your n8n workflows into a browsable dashboard complete with mermaid-rendered flowcharts for each workflow, enhancing visibility and transparency for any automation setup.
   
   ## What Does the Workflow Dashboard Do?
   
   This n8n workflow operates as a webhook-based micro-application. When accessed via a browser, it:
   
   1. Lists all workflows in your n8n instance, displaying them as interactive cards.
   2. Allows users to click a button to dynamically render that workflow as a Mermaid.js flowchart.
   3. Classifies nodes by shape and type (e.g., decisions, HTTP requests) to make flows clearer.
   4. Highlights disabled nodes with strike-through styling.
   5. Shows isolated nodes and structured connections for clarity.
   
   This tool is not only useful for reviewing existing automation logic but also assists teams in onboarding new members, auditing complex systems, or simply organizing visual documentation.
   
   ## How It Works: Step-by-Step Overview
   
   The whole visualizer is powered by a well-orchestrated n8n workflow composed of several built-in nodes along with some frontend scripting. Here’s the breakdown of how it functions:
   
   ### 1. Webhook Trigger
   The workflow begins with a Webhook or Manual Trigger node. When the associated webhook is called (typically via the browser), the workflow starts execution.
   
   ### 2. Routing Requests with a Switch
   The “Switch” node checks if the incoming query has a specific parameter called wfid (workflow ID). If not provided, the workflow proceeds to retrieve a list of all workflows to build the overview page. If a wfid is present, it indicates a request to visualize a specific workflow.
   
   ### 3. Fetching Workflow Data
   - For listing all workflows: It uses the List Workflows endpoint from n8n’s internal API.
   - For a single workflow: It uses the "Get Workflow" operation to fetch all nodes and connections of the requested workflow.
   
   ### 4. Transforming Workflow into Mermaid Syntax
   Once workflow data is fetched, a custom JavaScript Code node transforms this data into Mermaid.js-compatible syntax. It:
   - Maps node types to shapes (rectangle, rhombus, etc.).
   - Generates directional flow arrows based on connection types.
   - Skips inactive or unrelated node types (like sticky notes).
   - Includes isolated nodes (nodes that are not connected) for completeness.
   
   ### 5. Serving Dynamic HTML Pages
   The final output page is constructed in a Respond to Webhook node. It contains:
   - Bootstrap-styled cards for each workflow
   - Mermaid.js scripts for drawing flowcharts on demand
   - Dynamic JavaScript code that loads and renders the charts live
   - An optional About section with links and credits
   
   ### 6. Optional Blog Integration
   An embedded script fetches RSS feed entries from blog.n8n.io, displaying recent articles by specific authors. This is a bonus addition for keeping developers informed.
   
   ## Customization and Cloud Compatibility
   
   Cloud users are encouraged to manually update environment variables like instance_url and webhook_path since n8n Cloud doesn’t support environmental variables by default.
   
   Also, the system is modular. Developers can easily adjust node shapes, add filters, or update the UI for specific branding needs. For instance:
   - Add labels for success/failure branches
   - Include node types as icons
   - Style disabled nodes with tooltips
   
   ## Why Use This Dashboard?
   
   - 📈 See your automations clearly without entering the workflow editor
   - 🧭 Explore connections and audit logic visually
   - 🎯 Ideate better when debugging or documenting processes
   - 👥 Improve team collaboration and visibility
   - 🔧 Make decisions with better system-level insights
   
   ## Final Thoughts
   
   This "Workflow Dashboard with mermaid.js" is a beautiful example of n8n’s extensibility. By combining n8n’s internal API, external JS libraries, and creative scripting, you can build fully functional internal tools inside your automation environment — no external backend required.
   
   This setup is especially useful for teams managing large automation ecosystems and looking for ways to stay organized while working smarter.
   
   The project template is available for import from n8n’s public workflow gallery, too. Try it out and discover what your workflows truly look like.
   
   ---
   
   Whether you're managing 5 or 500 workflows, this visual dashboard turns your automation landscape into something you can see, understand, and evolve with confidence.

5. Set credentials for each API node (keys, OAuth) in Credentials.
6. Run a test via Execute Workflow. Inspect Run Data, then adjust parameters.
7. Enable the workflow to run on schedule, webhook, or triggers as configured.

Tips: keep secrets in credentials, add retries and timeouts on HTTP nodes, implement error notifications, and paginate large API fetches.

Validation: use IF/Code nodes to sanitize inputs and guard against empty payloads.

Why Automate This with AI Agents

AI‑assisted automations offload repetitive, error‑prone tasks to a predictable workflow. Instead of manual copy‑paste and ad‑hoc scripts, your team gets a governed pipeline with versioned state, auditability, and observable runs.

n8n’s node graph makes data flow transparent while AI‑powered enrichment (classification, extraction, summarization) boosts throughput and consistency. Teams reclaim time, reduce operational costs, and standardize best practices without sacrificing flexibility.

Compared to one‑off integrations, an AI agent is easier to extend: swap APIs, add filters, or bolt on notifications without rewriting everything. You get reliability, control, and a faster path from idea to production.

Best Practices

• Credentials: restrict scopes and rotate tokens regularly.
• Resilience: configure retries, timeouts, and backoff for API nodes.
• Data Quality: validate inputs; normalize fields early to reduce downstream branching.
• Performance: batch records and paginate for large datasets.
• Observability: add failure alerts (Email/Slack) and persistent logs for auditing.
• Security: avoid sensitive data in logs; use environment variables and n8n credentials.

FAQs

Can I swap integrations later? Yes. Replace or add nodes and re‑map fields without rebuilding the whole flow.

How do I monitor failures? Use Execution logs and add notifications on the Error Trigger path.

Does it scale? Use queues, batching, and sub‑workflows to split responsibilities and control load.

Is my data safe? Keep secrets in Credentials, restrict token scopes, and review access logs.