Connecting Legacy Systems with Epicor ERP Using API Middleware

Martin Dejnicki

In today's fast-paced business environment, staying competitive often requires modernizing outdated legacy systems.

For technology leaders, one of the key challenges lies in integrating these legacy systems with modern enterprise resource planning (ERP) solutions like Epicor ERP.

Enter API middleware—a game changer in bridging the old with the new. This article explores the role of API middleware in connecting legacy systems with Epicor ERP, offering technology leaders clarity and practical insights into this transformative process.

The Challenge: Legacy Systems

Legacy systems, despite being outdated, play an integral role in many organizations. They often house critical business processes and data that companies rely on daily. However, these systems can become bottlenecks, inhibiting efficiency and scalability. Moving to a new ERP system like Epicor offers a chance to streamline operations, but how do you connect the dots without completely overhauling your existing infrastructure?

Why Legacy Systems Are Hard to Replace

  • Complexity: Legacy systems often support complex, customized business processes accumulated over years.
  • Cost: Replacing legacy systems entirely can be prohibitively expensive.
  • Risk: Transitioning from legacy systems poses significant risk, including potential data loss and business interruption.
  • Dependence: Some operations may be too dependent on the legacy system, and the shift may not be instantaneous.

The Guide: API Middleware

API middleware serves as the conduit between legacy systems and Epicor ERP, simplifying integration by allowing communication without altering the core systems. It acts as a translator and facilitator, ensuring data flows seamlessly between disparate systems.

Key Benefits of Using API Middleware

  • Flexibility: Middleware allows you to integrate different types of applications seamlessly.
  • Scalability: It supports scaling operations by enabling easy addition of new functionalities or systems.
  • Cost-Effectiveness: By incrementally modernizing your IT infrastructure, you can save the costs associated with a full system overhaul.
  • Reduced Complexity: Middleware abstracts complexities of various systems, providing a unified interface for integration.

The Plan: Integrating with Epicor ERP

When integrating legacy systems with Epicor ERP using API middleware, it's crucial to follow a structured approach.

Identifying the Integration Points

  1. Data Mapping: Determine which data fields from the legacy system need to be mapped to Epicor. Consider data types, transformations, and cleaning requirements.
  2. Business Processes: Identify which business processes require integration to ensure seamless operation between systems.
  3. Prioritize Integration: Establish a list of prioritization based on business impact, starting with mission-critical areas.

The Middleware Solution

  1. API Development: Create APIs that serve as the interface for data exchange between legacy systems and Epicor ERP.
  2. Security Layers: Implement robust security measures to protect data integrity and prevent unauthorized access during transactions.
  3. Monitoring and Analytics: Develop monitoring tools to track API performance and integration success, providing transparency and insights.

The Value: Real-World Impact

Consider a manufacturing company that manages its inventory through a bespoke system developed two decades ago. Transitioning to Epicor ERP promises efficiency but risks losing vital inventory data. By using API middleware, they connect their legacy inventory system to Epicor, enabling real-time data exchange without disrupting operations.

Another case could involve a financial institution with an established customer relationship management (CRM) system. API middleware facilitates integration with Epicor ERP, ensuring customer data updates in real-time across both platforms, enhancing customer satisfaction and streamlining operations.

How Deploi Can Help

As your organization embarks on this digital transformation journey, aligning with a partner like Deploi can be invaluable. Our team specializes in creating bespoke API middleware solutions tailored for seamless integration with systems like Epicor ERP. We bring a wealth of experience and technical prowess to ensure your legacy systems are efficiently interconnected with modern ERP solutions.

Benefits of Partnering with Deploi

  • Expertise: Leverage our deep understanding of both legacy systems and modern ERP requirements.
  • Customization: Our solutions are bespoke, designed to fit the unique needs of your organization.
  • Timeliness: Experience project completion within tight timelines, ensuring minimal disruption to your operations.
  • Ongoing Support: Benefit from our commitment to ongoing support and optimization post-implementation.

Next Steps

Exploring integration solutions requires thoughtful consideration and expert execution. Deploi invites you to a conversation about leveraging API middleware for your legacy system integration with Epicor ERP. Contact us to discuss your needs, and let's craft a strategic roadmap toward enhanced operational excellence.

Partner with Deploi and unlock the full potential of your digital transformation. Reach out at contact@deploi.ca, and let's collaboratively turn your vision into reality.

Martin Dejnicki

Martin is Deploi’s Senior Director of Digital Strategy & Growth, bringing 25+ years of experience in digital transformation, product innovation, AI-driven solutions, and full-funnel marketing. Since launching his first website at 16, he has helped industry leaders scale their digital strategies, optimize performance, and drive measurable growth. At Deploi, he leads cross-functional teams across engineering, product, and marketing to deliver high-impact, scalable solutions.