Prevent Duplicate Vendor Payments Before They Go Out
Duplicate payments are costly and hard to recover. Check each payment against recent history and hold likely duplicates for review.
- 1
Intercept Payments
Add a
Webhooknode receiving each payment before it's sent. - 2
Check for Duplicates
Add a
Codenode matching vendor, amount and invoice against recent payments. - 3
Hold Suspicious Ones
Add an
IFnode pausing likely duplicates. - 4
Route for Review
Add a
Slacknode flagging held payments for confirmation. - 5
Activate and Test
Activate the workflow with a duplicate test payment. Confirm it's held.
Frequently asked questions
What defines a duplicate?
Same vendor, amount and invoice number within a short window is a strong duplicate signal.
Won't this block legit repeats?
Legitimate repeats with distinct invoices pass; only true duplicates are held.
Log Stripe Payments from Zapier into a Google Sheets Accounting Ledger
An n8n workflow that receives successful Stripe charges relayed by Zapier, calculates fees and net amount, and appends a clean bookkeeping row to a Google Sheets ledger — giving small businesses a real-time revenue log without paying for accounting software.
Free recipeGenerate a Weekly Cohort Retention Report Automatically
Know if customers are sticking — build a weekly cohort retention report from your usage data and deliver it to the team without touching a spreadsheet formula.
Free recipeGet Alerted the Moment a Supplier Changes Their Prices
An n8n workflow that periodically fetches your suppliers' price lists, compares them to the last known prices, and alerts you to any increases or drops with the exact delta — so cost creep never silently erodes your margins and you can renegotiate or re-price in time.