Internal DemoCategory: Automation | Sector: Accounting & Financial Services

Automated Invoice Data Extraction & Accounting Pipeline

The Operational Bottleneck

Accounts payable staff manually entered invoice data from incoming vendor emails into accounting software.

INFERIX Solution

Created an automated n8n workflow connected to OCR vision models to extract invoice line items and post them to accounting endpoints.

System Topology Blueprint

Production Architecture

Client App / Web UI <---> API Gateway (FastAPI) <---> Auth & Permissions (JWT/RBAC) | +----------------------------------+----------------------------------+ | | | [pgvector / PostgreSQL] [Redis Cache / Queue] [Claude API / LLM] Vector Embeddings Storage Session & Task State RAG & Reasoning

Key System Features

Email attachment auto-ingestion

Line item OCR parsing (Amount, Tax ID, Due Date)

Duplicate invoice detection & approval alerts

Technologies Used

n8n Workflow EngineClaude Vision APIWebhooksPostgreSQL

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