Enterprise API integration & sync middleware hub

The challenge

A high-volume wholesale distributor relied on an on-premise legacy ERP lacking modern REST APIs. Whenever a new order landed through their B2B digital storefront, the back-office staff had to manually copy order lines into the ERP, generate legal e-invoices on the government tax portal, and notify courier dispatchers via email, causing fulfillment delays of up to six hours per order.

The technical solution

RG Systems engineered a decoupled Enterprise Integration Hub serving as an intelligent event-driven bridge across all software touchpoints:

1. Secure Legacy ERP Connector: Lightweight local agent executing ACID transactions directly against the on-premise database with end-to-end encryption.
2. Resilient Message Queuing (RabbitMQ & Redis): Asynchronous message queuing with exponential backoff retries, ensuring zero transaction loss during network hiccups.
3. Fiscal Automation & Instant WhatsApp Dispatch: Real-time generation of compliant electronic invoices combined with automated tracking updates pushed to clients via WhatsApp API.

Operational results

• Order processing cycle reduced from 6 hours to 3 seconds.
• Over 25,000 transactions processed monthly with zero manual intervention.
• Data entry discrepancy rate plummeted to 0%.
• Warehouse fulfillment capacity doubled without increasing administrative overhead.