Send multi-stage overdue invoice reminders with NocoDB, Gmail, PostGrid and Slack

About

What Is This? This workflow is an automated invoice payment tracking and vindication system that monitors unpaid and overdue invoices stored in NocoDB, then sends escalating reminders to clients based on configurable time thresholds. The system handles three escalation levels: friendly payment reminders before/at due date, formal warning notices for overdue invoices, and legal action notifications for severely overdue accounts. It works with any accounting system that can populate a NocoDB dat