Invoice Processing Workflows
What are Invoice Processing n8n workflows?
Invoice Processing n8n workflows are reusable automation templates for invoice processing use cases. This category includes workflows that connect apps, transform data, trigger notifications, sync records, and reduce repetitive manual work. Each listing includes workflow metadata, author attribution, complexity level, relevant categories, source links when available, and a downloadable JSON file for inspection before import. Use this page to compare templates, identify the tools involved, and choose a workflow that fits your workspace before testing it safely in n8n.
Send Stripe payment invoices with Gmail, Google Drive, and WhatsApp
Quick overview This workflow triggers on successful Stripe payment events, generates and finalizes invoices, then for...
Send escalating invoice reminders with Notion, Claude, Gmail and Telegram
Quick overview This workflow runs every morning to pull unpaid invoices from a Notion database, calculates how overdu...
Recover overdue invoices with GPT-4o-mini, Gmail, Google Sheets, and Slack
Quick overview This workflow runs daily to read overdue invoices from Google Sheets, uses OpenAI (GPT 4o mini) to dra...
Track email expenses from Gmail with OpenAI, Google Sheets, and Slack alerts
Quick Overview This workflow monitors Gmail for invoice or receipt emails, uses OpenAI to extract an expense amount a...
Block duplicate vendor invoice payments with Google Sheets, Slack, and Gmail
Quick Overview This workflow receives vendor invoices via a webhook, normalizes key fields into a fingerprint, checks...
Verify receipts and invoices with OpenAI vision, Slack and Google Sheets
Quick Overview This workflow receives receipt or invoice image URLs via a webhook, uses OpenAI Vision to extract stru...
Send milestone billing invoices with Google Sheets, GPT-4o mini, Gmail and Slack
Quick Overview This workflow polls a Google Sheets milestone tracker every 15 minutes, calculates milestone based inv...
Process Telegram invoice OCR with OCR.space, OpenAI, Sheets and Drive
Quick overview This workflow accepts invoice files via a Telegram bot, extracts text with OCR.space, uses OpenAI to t...
Extract invoice data from Gmail PDFs to Google Sheets with OpenAI and Slack
Quick Overview This workflow monitors Gmail for emails with PDF attachments, extracts invoice fields with OpenAI, log...
Generate ZUGFeRD/Factur-X e-invoices from webhook orders with PolyDoc and email
Quick Overview This workflow receives an order via webhook, builds an EN 16931 invoice payload and HTML, generates a...
Block duplicate vendor invoice payments with Google Sheets, Slack, and Gmail
Quick Overview This workflow receives vendor invoices via a webhook, normalizes them into a fingerprint, checks Googl...
Create incoming invoices in work4all from email attachments with OpenAI
Quick Overview This sub workflow receives an email item with binary attachments, uses an OpenAI compatible chat compl...
Parse WhatsApp invoice images with Gemini and sync payments to HubSpot and Slack
Quick Overview This workflow captures invoice images/documents from WhatsApp, extracts structured invoice data with G...
Log receipts from Telegram to Google Sheets and query spending with Gemini
Quick Overview This workflow logs receipt photos from Telegram into Google Sheets using Google Gemini for data extrac...
Extract and log Gmail invoices with Claude Sonnet, Google Sheets and Slack
Quick overview This workflow polls Gmail every 15 minutes for unread invoice or receipt emails, uses Anthropic Claude...
Send payment reminders and cancel unpaid Shopify orders via Gmail
Quick overview This workflow runs daily to find open, unpaid Shopify orders, send staged payment reminder emails via...
Recover failed Stripe payments with OpenAI, Gmail, Sheets and Slack
Quick Overview This workflow triggers on failed Stripe invoice payments, uses OpenAI to generate an escalating dunnin...
Send AI-written invoice emails and payment reminders with Google Sheets, Gmail, Telegram and Groq
Quick overview This workflow automates invoicing and payment follow ups using Google Sheets, PDFShift, Groq (LLM), Gm...
Extract invoice data with Google Gemini, Google Sheets, and Telegram
Quick overview This workflow accepts invoice PDFs or images from an n8n Form or Telegram, uses Google Gemini to OCR a...
Reconcile Google Drive invoice PDFs with OpenAI, Sheets, Slack and Gmail
How it works Watches a Google Drive folder and triggers automatically when a new invoice PDF is uploaded Extracts raw...
Invoice Reconciliation Automation
How it works Watches a Google Drive folder and triggers automatically when a new invoice PDF is uploaded Extracts raw...
Scan receipt images from Google Drive with Gemini and log to Google Sheets
Who is this for Freelancers, small business owners, and accountants who want to automate receipt management without m...
Extract and log Outlook invoices to OneDrive Excel with GPT-4.1-mini
Invoice Processor – Microsoft 365 Automatically extract, log, and archive invoices from your Outlook inbox using GPT...
Send PDF renewal invoices for expiring domains with CraftMyPDF, Gmail, and Google Sheets
This workflow automates the management of expiring domains and invoice generation . The workflow checks whether a dom...
