The flow
Starts it 3Logic 4Service 10
The steps in the order they run, from what starts it.
- 1Spreadsheet Update TriggerGoogle Sheets triggerStarts it
- 2MercadoPago Webhook POSTWebhookStarts it
- 3Daily Noon ReminderSchedule triggerStarts it
- 4Filter Unpaid InvoicesFilterLogic
- 5Fetch Payment InformationHttp RequestService
- 6Read Unpaid Invoices ListGoogle SheetsService
- 7Batch Process InvoicesSplit In BatchesLogic
- 8Verify Payment SuccessIfLogic
- 9Iterate Unpaid InvoicesSplit In BatchesLogic
- 10Generate Payment LinkMercado PagoService
- 11Retrieve Matching InvoiceGoogle SheetsService
- 12Dispatch Payment ReminderGmailService
- 13Email Payment LinkGmailService
- 14Erase Paid InvoiceGoogle SheetsService
- 15Log Payment RecordGoogle SheetsService
- 16Locate Sent InvoiceGoogle SheetsService
- 17Remove Processed InvoiceGoogle SheetsService
How it's built
- Starts on
- Another system calling it
- Steps
- 17, with 1 branch, 2 loops or waits
- Size
- Medium: a working afternoon
- Connects to
- Gmail, Google Sheets
- Model
- None. This is plumbing, not judgement
Questions
What does it need to run?
An n8n account, plus your own Gmail and Google Sheets accounts. You connect your own accounts after importing it; none are included.
What starts it?
It starts on another system calling it.
Does it use AI?
No. Every step is fixed logic or a call to a service, so it does the same thing every time.
How long does it take to set up?
Plan an afternoon. 17 steps is enough that you should read each one before running it.
How do I import it?
Copy the workflow, open a new workflow in n8n and paste. The steps appear on the canvas, ready for your own accounts.
Nothing here has been tested by us. It is somebody's working automation, read and described from its own steps. Treat the connections it wants as a list of accounts it will touch, and read the 17 steps before you point it at anything that matters.