Generate company due diligence PDFs with Google Gemini, SEC EDGAR, Serper and Gmail

by iamvaar ✓ · 8 views · created 2026-07-21 · Market Research, AI Summarization

What this workflow does

This AI workflow has 18 nodes and runs when someone submits an n8n form (“Due Diligence Research Request”). Along the way it connects Gmail and Google Gemini Chat Model. It also calls google.serper.dev, quickchart.io and api.pdfendpoint.com over HTTP.

How it runs

Trigger: When someone submits an n8n form (“Due Diligence Research Request”).

1. Fetch SEC Filings (HTTP Request): calls an HTTP API
2. Fetch News RSS (RSS Read): reads an RSS feed
3. Fetch Tech Stack Headers (HTTP Request): calls an HTTP API
4. Fetch Glassdoor Sentiment (HTTP Request): calls google.serper.dev (POST)
5. Fetch LinkedIn Headcount (HTTP Request): calls google.serper.dev (POST)
6. Merge: merges the data from its input branches
7. Prepare Research Payload (Edit Fields (Set)): sets 7 fields: company_name, company_domain, sec_filings…
8. Report Generator Agent (AI Agent): runs an AI agent, with model: Gemini Chat Model; output parser: Parse Structured AI Output
9. Set Gemini Output Fields (Edit Fields (Set)): sets 3 fields: report_json, company_name, company_domain
10. Fetch Tech Score Chart (HTTP Request): calls quickchart.io

…plus 5 more steps. See the full node list below.

Services it uses

GmailGoogle Gemini Chat Model

HTTP calls to: google.serper.dev, quickchart.io, api.pdfendpoint.com

Before you upgrade to n8n 3.0

Nodes used (11)

• n8n Form Triggern8n-nodes-base.formTrigger
• HTTP Requestn8n-nodes-base.httpRequest
• RSS Readn8n-nodes-base.rssFeedRead
• Mergen8n-nodes-base.merge
• Edit Fields (Set)n8n-nodes-base.set
• AI Agent@n8n/n8n-nodes-langchain.agent
• Coden8n-nodes-base.code
• Extract from Filen8n-nodes-base.extractFromFile
• Gmailn8n-nodes-base.gmail
• Structured Output Parser@n8n/n8n-nodes-langchain.outputParserStructured
• Google Gemini Chat Model@n8n/n8n-nodes-langchain.lmChatGoogleGemini

From the author

Quick Overview This workflow starts from an n8n form submission and compiles due diligence research from SEC EDGAR, Google News RSS, the target website’s HTTP headers, and Serper (for Glassdoor and LinkedIn). It uses Google Gemini to produce a structured…

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