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 Powerhouse: Unlocking Data Acquisition with n8n and Selenium
   
   Meta Description:  
   Discover how the "Selenium Ultimate Scraper Workflow" integrates powerful tools like n8n, Selenium, OpenAI's GPT-4o, and proxy management to scrape any website—whether public or behind authentication—with precision and automation.
   
   Keywords:  
   web scraping, n8n, Selenium, GPT-4, automation, OpenAI, scraping with cookies, proxy scraping, web data extraction, AI-powered scraping, headless browser scraping, OpenAI integration, GeoNode
   
   Third-Party APIs and Tools Used:
   
   1. Selenium WebDriver (selenium_chrome container)
   2. OpenAI API (GPT-4o and GPT-4o-mini models)
   3. GeoNode (Residential Proxy Provider)
   4. ip-api.com (IP geolocation debugging tool)
   5. Google Search (indirect "site:domain query" scraping via HTTP Request node)
   
   —
   
   Article:
   
   # Automating Web Scraping with n8n, Selenium, and GPT: A Deep Dive into the Ultimate Scraper Workflow
   
   Scraping data from the web is no longer just about fetching HTML — today, it’s about handling complex authentication, dynamic content, JavaScript rendering, and sophisticated anti-bot mechanisms. To navigate this landscape, the “Selenium Ultimate Scraper Workflow” built within the powerful automation tool n8n presents an end-to-end solution that can crawl, extract, parse, and return meaningful data from virtually any website.
   
   In this article, we’ll unpack this sophisticated workflow and see how it brilliantly connects third-party APIs like OpenAI and Selenium with modular n8n logic to create a scalable, intelligent, and privacy-respecting scraper.
   
   ---
   
   ## Why Use n8n for Scraping?
   
   n8n is an open-source workflow automation tool that gives you the flexibility of coding with the low-friction productivity of low-code design. When paired with Selenium for browser automation and OpenAI for intelligent data interpretation, it becomes a data-scraping powerhouse.
   
   This workflow demonstrates how to:
   
   - Accept webhook-based user requests to scrape data
   - Simulate browser navigation using Selenium
   - Inject authentication via cookies (optional)
   - Use a Google search query to locate the most relevant URLs
   - Use OpenAI’s GPT-4o to analyze and extract structured information from rendered webpages
   
   ---
   
   ## Key Highlights of the Selenium Ultimate Scraper Workflow
   
   ### 1. Webhook-Driven Requests
   
   At its core, scraping requests are initiated via HTTP POST Webhooks. The input JSON can include:
   - A subject/topic to search (e.g., “Hugging Face”)
   - A target domain (e.g., “github.com”)
   - A list of custom data points to extract
   - Optional cookies for authenticated scraping
   
   This flexibility allows users to define what they want to fetch and from where, all dynamically.
   
   ### 2. Intelligent URL Discovery via Google
   
   If the user doesn’t supply a direct target URL, the workflow initiates a Google Search using a query like:
   `site:github.com "Hugging Face"`
   
   By parsing the search results and matching relevant links, it uses LangChain’s OpenAI information extractor to pinpoint the best URL for further scraping.
   
   ### 3. Selenium-Powered Browser Automation
   
   The selected URL is loaded in a headless Chrome browser instance via a Selenium container. Key features include:
   - Proxy configuration support to avoid geo-blocking and rate-limiting
   - Headless operation with custom user-agent headers
   - Cookie injection to resume authenticated sessions if needed
   
   A clever browser cleaning routine is executed to hide traces of Selenium automation — essential for bypassing anti-bot defenses.
   
   ### 4. Cookie Injection and Session Control
   
   If the user provides cookies, they are parsed and normalized via a custom JavaScript function node. The workflow translates these into properly formatted HTTP requests and injects them before navigating to the target site.
   
   This feature extends scraping capabilities to private or logged-in pages — for example, scraping GitHub repositories available only to signed-in users.
   
   ### 5. AI-Powered Screen Analysis
   
   After reaching the correct URL, the browser captures a screenshot of the fully rendered page. This image is then passed to OpenAI’s GPT-4o for analysis. The AI model understands the visual hierarchy and content, much like a human would, and extracts only the data points specified in the original request.
   
   If the site is blocked by a WAF (Web Application Firewall), or no relevant content could be found, the model is trained to return a "BLOCK" response, gracefully exiting the process.
   
   ### 6. Structured Output and Cleanup
   
   Once data is extracted, it is returned in JSON format via the webhook response. All Selenium sessions are closed and cleaned up immediately, ensuring no resources remain idle.
   
   Additionally, fallback nodes are present for handling common edge cases like:
   - No matching URL found
   - Incorrect cookies
   - Page navigation errors
   - Proxy/IP-related detection
   
   Debug flows are available to validate running IPs via ip-api.com, making troubleshooting seamless.
   
   ---
   
   ## Real Use Cases
   
   - Scraping GitHub star counts for research
   - Tracking social metrics from login-restricted dashboards
   - Extracting structured data from brand pages (e.g. contact info, team details)
   - Monitoring price and availability on ecommerce pages behind login
   
   All these can be triggered with a simple HTTP request while scaling well through proxy rotation and browser session control.
   
   ---
   
   ## Security and Ethics Considerations
   
   While powerful, web scraping must still respect website terms of service and legal boundaries. This workflow offers flexible tooling, but it’s the user’s responsibility to ensure ethical and compliant use — especially when introducing session cookies or dealing with personal data.
   
   ---
   
   ## Final Thoughts
   
   The Selenium Ultimate Scraper Workflow in n8n is a perfect demonstration of how modular automation, headless browsing, and AI can converge for intelligent, scalable data gathering. Whether you’re a developer, data scientist, or researcher, this low-code solution gives you industrial-grade scraping capabilities — no need to write your own scraping engine from scratch.
   
   Pair it with proxies (such as GeoNode), manage cookies responsibly, and OpenAI will guide the rest with near-human-level comprehension.
   
   —
   
   🛠 Tutorials and Source Code:  
   Check out the full implementation and setup guide: https://github.com/Touxan/n8n-ultimate-scraper
   
   Happy scraping — the smart way.

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.