Invoice Inbox Approval (n8n template)

Invoice approvals without AP software. Invoices from Gmail (PDF, scan or photo) are read by Gemini, then checked: maths, tax rate, duplicates and a changed supplier bank account. Your approver gets Approve / Fix / Reject links by e-mail, no login needed.

• Fix-and-approve page re-checks the totals

• Approved rows to a Sheets ledger, files to Drive

• Rejections go back to the sender with your reason

• Weekday reminders and a bills-due list

Includes the n8n workflow, setup guide, sheet templates and a free lite version. One-time payment.