Summarize unpaid freee invoices with Gemini, Slack, Google Sheets, and Gmail
Ready for 3.0Ready 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 8 nodes and runs on a schedule (cron 0 9 * * *). Along the way it connects Google Gemini, Google Sheets and Gmail. It also calls api.freee.co.jp over HTTP.
How it runs
Trigger: On a schedule (cron 0 9 * * *).
- Prepare Configuration Settings (Edit Fields (Set)): sets or maps fields
- Fetch Unpaid Invoices from freee (HTTP Request): calls api.freee.co.jp
- Rank Invoices by Due Date (Code): runs custom JavaScript code
- Gemini Invoice Summary Generator (Google Gemini): uses Google Gemini
- Log Summary in Google Sheets (Google Sheets): uses Google Sheets
- Send Summary to Slack (HTTP Request): calls an HTTP API (POST)
- Notify Accounting via Email (Gmail): uses Gmail
Services it uses
HTTP calls to: api.freee.co.jp
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 (7)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Edit Fields (Set)
n8n-nodes-base.set - HTTP Request
n8n-nodes-base.httpRequest - Code
n8n-nodes-base.code - Google Gemini
@n8n/n8n-nodes-langchain.googleGemini - Google Sheets
n8n-nodes-base.googleSheets - Gmail
n8n-nodes-base.gmail
From the author
Quick overview This workflow runs every morning to fetch unsettled invoices from the freee Invoices API, calculate and rank how overdue they are, generate a short prioritized summary with Google Gemini, and then log the summary to Google Sheets, post it to…