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I built an automated B2B lead enrichment & scoring pipeline in n8n using GPT-4o – Here is how it works + architecture diagram

Hey everyone!

I wanted to share a workflow setup I've been refining over the last few weeks to automate B2B prospect research and scoring.

The Problem:

Manually visiting lead websites, trying to guess company size, and drafting custom outreach emails was eating up 10+ hours a week.

The n8n Architecture:

  1. Webhook Trigger: Receives domain or company name.
  2. HTTP Request Node: Scrapes raw HTML / landing page text.
  3. OpenAI GPT-4o Node: Parses structured data (JSON schema):
    • Company Summary
    • B2B Fit Score (0-100)
    • Buying Intent Signals
  4. Notion Node: Creates or updates a structured CRM entry.
  5. Slack/WhatsApp Node: Sends an instant alert if Score > 75.

Full Workflow Bundle:

I put together a clean bundle with setup instructions.

Link is in the first comment below (or on my profile bio)!

https://gist.github.com/JB2WIN/4d3f48528b4cd2696a99428442eae59a

Source: r/n8n · by /u/Sea-Ingenuity5692

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