Email → PDF/Image → AI Extraction → Validation → Approval → Google Sheets → Slack

Finance teams spend 5–10 hours per week manually entering invoice data, leading to errors, delays, and poor visibility.

An automated invoice processing pipeline using AI-based extraction with rule-based validation and approval workflows.

PDF invoice ingestion

AI-powered structured data extraction

Duplicate and validation checks

Automatic approval routing for high-value invoices

Google Sheets integration

Slack notifications

Python

FastAPI

Claude API

pdfplumber

Google Sheets API

Slack Webhooks

~70% reduction in manual data entry time

Faster approvals

Improved financial accuracy

Note: eval() is used for demo simplicity. Production systems will use safe JSON parsing.