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Finance & Accountingfree

Generate Invoices and Send Payment Reminders with Escalation Using Google Sheets

by 飯盛　正幹Updated Aug 2026
RequiresGoogle SheetsGoogle SheetsGmailGmailSlack
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WeNew Invoice RequestNew Invoice Req…SeInitialize InvoiceInitialize Invo…SOSplit Line ItemsCoCalculate Line TotalCalculate Line …AgAggregate Line ItemsAggregate Line …CoBuild Invoice ObjectBuild Invoice O…Save Invoice to SheetSave Invoice to…Send Invoice EmailSend Invoice Em…RTInvoice Created ResponseInvoice Created…ScDaily Overdue CheckDaily Overdue C…Get Unpaid InvoicesGet Unpaid Invo…CoCalculate Overdue DaysCalculate Overd…SILoop Over InvoicesLoop Over Invoi…SwRoute by Reminder LevelRoute by Remind…First Reminder EmailFirst Reminder …Second Reminder EmailSecond Reminder…Urgent Reminder EmailUrgent Reminder…Final Notice EmailFinal Notice Em…Escalate to CollectionsEscalate to Col…MeMerge Reminder PathsMerge Reminder …Update Reminder DateUpdate Reminder…CoContinue Loop12345678
1/5
FLOWS
STEPS · 8
Starts on an incoming request

On a webhook, generates invoices in Google Sheets and emails reminders via Gmail, then on a schedule escalates overdue ones to Slack.

Tags

webhookcomplexGoogle SheetsGmailInvoice Processing
Connects
sheetsGoogle SheetsgmailGmailSlack
CategoryFinance & Accounting
Triggerwebhook
Complexitycomplex
Nodes22
AddedJun 14, 2026