Check foreign card exchange rates with Google Sheets, Frankfurter and Slack
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 workflow has 16 nodes and runs on a schedule (every month at 09:00) (plus 2 other triggers). Along the way it connects Google Sheets and Slack.
How it runs
Trigger: On a schedule (every month at 09:00) (plus 2 other triggers).
- Config (Edit Fields (Set)): sets 10 fields: base_currency, date_col, merchant_col…
- Spreadsheet ID (Edit Fields (Set)): sets 1 field: spreadsheet_id
- Read FX statement tab (Google Sheets): read (sheet)
- Add the FX statement and FX check tabs (HTTP Request): calls an HTTP API (POST)
- Plan rates (Code): runs custom JavaScript code
- Write the header rows (HTTP Request): calls an HTTP API (POST)
- Any foreign charges? (If): checks a condition and branches into true / false
- Get rates (HTTP Request): calls an HTTP API (GET)
- Nothing to check (Code): runs custom JavaScript code
- Check charges (Code): runs custom JavaScript code
…plus 3 more steps. See the full node list below.
Services it uses
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 (8)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Manual Trigger
n8n-nodes-base.manualTrigger - Edit Fields (Set)
n8n-nodes-base.set - Google Sheets
n8n-nodes-base.googleSheets - Code
n8n-nodes-base.code - If
n8n-nodes-base.if - HTTP Request
n8n-nodes-base.httpRequest - Slack
n8n-nodes-base.slack
From the author
Quick overview This workflow runs monthly (or on demand) to read foreign-currency card charges from Google Sheets, fetch matching market exchange rates from the Frankfurter API, calculate premiums versus expected billed amounts, write results back to Google…