This article provides a complete, practical walkthrough of the Limit Code 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**:  
   The Ultimate Web Scraping Automation with n8n, Selenium, and OpenAI: A Deep Dive
   
   **Meta Description**:  
   Discover how the powerful "n8n Ultimate Scraper" workflow combines Selenium, OpenAI GPT-4, and cookie injection to extract data from both public and protected web pages. This comprehensive guide explains how it works and what makes it ideal for advanced web scraping.
   
   **Keywords**:  
   n8n web scraping, Selenium automation, OpenAI GPT-4, web data extraction, visual automation, cookie-based scraping, headless browser scraping, data scraping with cookies, proxy scraping, n8n workflow tutorial, GeoNode proxy, OpenAI API integration
   
   **Third-Party APIs and Services Used**:
   1. **OpenAI GPT-4 API** – Used for analyzing screenshots and extracting relevant information via language models.
   2. **Selenium WebDriver API** – For browser automation via a Chrome container.
   3. **IP-API (ip-api.com)** – Optionally used to confirm the IP address when using a proxy.
   4. **GeoNode (recommended)** – Suggested for residential proxy services to avoid scraping blocks.
   
   ---
   
   ## The Ultimate Web Scraping Automation with n8n, Selenium, and OpenAI
   
   In the landscape of modern data collection, automated web scraping is no longer as simple as sending a GET request. Websites are locked down with JavaScript rendering, login barriers, and aggressive WAFs (Web Application Firewalls). Enter the **n8n Ultimate Scraper**: a powerful, modular n8n workflow that fuses together technologies like Selenium, OpenAI, and proxy networks to extract data from virtually any page—protected or not.
   
   Let’s unpack this robust workflow, explore its architecture, and see how it's revolutionizing how we approach web automation.
   
   ---
   
   ### What Is Included in the Ultimate Scraper?
   
   The workflow is designed in **n8n**, a low-code automation platform. It combines:
   
   - **Selenium WebDriver (headless Chrome)** for full browser control
   - **OpenAI GPT-4 API** for intelligent text and image analysis
   - **Custom cookie management** to bypass login restrictions
   - **Google search queries** to hone in on relevant pages
   - **Optional proxy configuration via GeoNode** for stealth scraping
   
   ---
   
   ### How This Workflow Operates: A High-Level Breakdown
   
   1. **Webhook Entry Point**: The journey begins with an HTTP POST request to the webhook, supplying fields like "Subject", "Target URL", optional cookies, and target data descriptions (e.g., "Number of GitHub followers").
   
   2. **Smart Google Crawling**: If no direct Target URL is provided, the workflow performs a Google search for `site:<domain> + <subject>` to locate the candidate pages that likely contain the desired information.
   
   3. **HTML Scraping & URL Extraction**: Using n8n's HTML scraping node, the workflow filters anchor tags (`<a>`) with matching domain and subject.
   
   4. **Intelligent URL Selection**: GPT-4 analyzes candidate URLs to determine the best one for information extraction, discarding irrelevant or empty links.
   
   5. **Selenium Session Spawned in Headless Mode**: A Dockerized Chrome session is initialized with stealth features such as:
      - Removing Selenium fingerprints (`navigator.webdriver`)
      - Setting common languages and plugins
      - Custom user-agent
   
   6. **Cookie Injection (if provided)**: If login cookies are sent with the request, they are sanitized and injected using Selenium's `cookie` endpoint—a crucial feature that enables scraping content behind authentication.
   
   7. **Navigate & Screenshot**: The automated browser navigates to the target page, takes a full screenshot, and prepares it for analysis.
   
   8. **AI-Based Data Extraction**:
      - GPT-4 (Vision model) analyzes the image
      - Textual content extraction based on the subjects provided
      - If blocked by WAF or irrelevant, GPT returns `BLOCK`
   
   9. **Structured Output**: Based on the GPT extraction, the information is formatted as JSON and sent back to the client.
   
   10. **Error Handling**:
       - If no relevant URL is found — a 404 error is returned.
       - If content is blocked — a note is included, and cleanup proceeds.
       - Sessions are aggressively cleaned using DELETE requests to ensure performance and security.
   
   ---
   
   ### Optional Power Features
   
   - ✅ **Geo-Proxy Enabled**: Users can configure SOCKS or HTTPS proxies (like those from GeoNode) to scrape without bans.
   - ✅ **Debug Mode**: A separate flow checks the public IP of the Selenium session to confirm proxy use using ip-api.com.
   - ✅ **On-the-Fly Cookie Management**: The workflow includes scripts to normalize cookie attributes (like SameSite policies for compatibility with Selenium's expectations).
   - ✅ **Modular**: The flow is split into conditional paths based on whether cookies were supplied, ensuring the right approach is taken for each case.
   
   ---
   
   ### Practical Use Cases
   
   1. Gathering GitHub stats, like total stars and followers, with or without login
   2. Scraping user data from authenticated portals using cookies
   3. Crawling and analyzing blog content or product pages for marketing intelligence
   4. Checking IP locations of Selenium bots to debug proxy setups
   
   ---
   
   ### Final Thoughts
   
   The **n8n Ultimate Scraper** is more than just a web scraping tool—it's a full-fledged, flexible automation system. It’s designed for scraping at scale, tackling both public and gated content by using best-in-class tools like Selenium and GPT-4. Whether you're scraping for market analytics, academic research, SEO insights, or platform monitoring, this workflow provides a strong foundation.
   
   Backed by Dockerized Selenium sessions, OpenAI’s AI models, and years of web scraping best practices, this n8n flow represents the next frontier of scalable, intelligent scraping pipelines.
   
   🔗 Want to try it? Visit the GitHub repository: [Touxan/n8n-ultimate-scraper](https://github.com/Touxan/n8n-ultimate-scraper)
   
   ---
   
   This is the new gold standard in no-code scraping automation—no browser left behind.

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.