Templates / Automate vendor analysis & contract management with GPT-4o, Gmail, and Google Sheets

Automate vendor analysis & contract management with GPT-4o, Gmail, and Google Sheets

Ready for 3.0

by Cheng Siong Chin ✓ · 287 views · created 2025-12-11 · Market Research, AI Summarization

Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.

What this workflow does

This AI workflow has 19 nodes and runs on a schedule (every day at 09:00). Along the way it connects Airtable, OpenAI Chat Model, HTTP Request and Gmail and 1 more.

How it runs

Trigger: On a schedule (every day at 09:00).

  1. Workflow Configuration (Edit Fields (Set)): sets 7 fields: vendorPricingUrl, deliveryReliabilityUrl, priceThreshold…
  2. Scrape Vendor Pricing (HTTP Request): calls an HTTP API
  3. Scrape Delivery Reliability (HTTP Request): calls an HTTP API
  4. Get Contract Data (Airtable): search
  5. Merge: merges the data from its input branches
  6. Vendor Analysis Agent (AI Agent): runs an AI agent, with model: OpenAI Chat Model; 5 tools (Gmail Tool, Airtable Tool, Http Request Tool, Google Sheets Tool…); output parser: Structured Output Parser
  7. Check for Overpriced Vendors (If): checks a condition and branches into true / false
  8. Send Negotiation Email (Gmail): uses Gmail
  9. Create Renewal Tasks (Google Sheets): append or update
  10. Update Contract Database (Airtable): update

…plus 1 more step. See the full node list below.

Services it uses

AirtableOpenAI Chat ModelHTTP RequestGmailGoogle Sheets

Before you upgrade to n8n 3.0

Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.

Nodes used (16)

From the author

How It Works Schedules automated vendor pricing analysis across multiple sources. Fetches delivery reliability and contract data, analyzes vendor performance using Claude AI, then distributes consolidated reports via Gmail and creates Google Sheets summaries.…

Excerpt from Cheng Siong Chin's description on n8n.io.

View the original on n8n.io → Check your own copy

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