Automated Invoice Processing and Validation Workflow

This comprehensive n8n workflow streamlines the receipt, extraction, validation, and approval of invoices. It begins by automatically capturing invoices via email or direct upload via a webhook, intelligently handling various file formats like PDFs and images. The workflow then employs AI-based OCR to extract structured invoice data, including vendor details, line items, and amounts. This data undergoes rigorous cleaning and validation, checking for required fields, data accuracy, vendor approval, and duplication. If high-risk or problematic invoices are detected, the workflow generates detailed approval requests sent via Telegram for manual review or approval. Approved invoices are seamlessly integrated into an accounting system via API, ensuring real-time financial processing and audit trail maintenance. This solution enhances efficiency, reduces manual effort, and enforces compliance in invoice management.