Epicor to ADP Integration

Epicor Kinetic and Prophet 21 manage the operational side of the business: production, inventory, orders, labor tracking, and financials. ADP Workforce Now handles the workforce side: payroll, HR, time and attendance, benefits, and compliance.

When these two systems operate independently, the gap between them creates real problems. HR teams manually re-enter employee data. Labor hours tracked in Epicor never tie cleanly to payroll runs in ADP. Payroll errors accumulate, and compliance reporting becomes harder than it needs to be.

Integrating Epicor with ADP Workforce Now through Epicor Automation Studio closes that gap. It connects operational and workforce data in a reliable, upgrade-safe way, reducing manual work and giving both HR and operations teams a consistent view of the business.

Why Integrating Epicor and ADP Workforce Now Matters

Manufacturers and distributors running Epicor alongside ADP often encounter the same set of problems when the two systems are not connected:

• Duplicate data entry: Employee records, new hires, and terminations are updated manually in both systems, increasing the risk of errors and inconsistencies.
• Payroll inaccuracies: Labor hours captured in Epicor do not flow automatically to ADP, leading to manual reconciliation and payroll errors.
• Compliance risk: Disconnected systems make it harder to maintain accurate records for tax filings, labor law compliance, and benefits reporting.
• Job costing gaps: When payroll data does not connect back to Epicor, labor costs cannot be accurately allocated to jobs, departments, or cost centers.
• Slow HR processes: Onboarding, offboarding, and benefits changes require manual updates across multiple systems, slowing down HR operations.

By integrating Epicor and ADP, organizations can automate these workflows, reduce errors, and ensure that workforce data stays consistent across both platforms.

What Data Is Typically Integrated?

The scope of an Epicor to ADP integration depends on business needs, but most projects focus on a core set of data flows:

• Employee Records: New hires, terminations, and profile updates synchronized between Epicor and ADP to maintain a single source of truth.
• Labor Hours: Time and attendance data captured in Epicor, including shop floor hours from MES or time tracking modules, flowing into ADP for payroll processing.
• General Ledger Postings: Payroll journal entries from ADP flowing back into Epicor financials for accurate cost allocation and reporting.
• Benefits and Deductions: Benefit enrollment and deduction data kept consistent between HR and ERP.
• New Hire and Termination Events: Triggered workflows that update both systems automatically when employee status changes occur.

The goal is not to replicate entire databases but to ensure each system receives the data it needs to support its role accurately and on time.

How Epicor to ADP Integration Works

API-Driven Connectivity

Modern integrations between Epicor and ADP rely on REST APIs to create secure, reliable connections between the two platforms. ADP Workforce Now exposes a well-documented API suite that supports employee data, payroll, time, and benefits. Epicor’s open API architecture allows data to flow in and out of Kinetic and Prophet 21 without requiring fragile UI-level customization. Together, these APIs form the foundation of a stable, maintainable integration.

Epicor Automation Studio Workflows

Epicor Automation Studio is the primary tool for building and managing the integration on the Epicor side. Built on Workato and embedded natively in both Kinetic and Prophet 21, Automation Studio moves business logic to the server side, away from the UI.

This means workflows remain stable through Epicor upgrades, reducing maintenance risk over time. With Automation Studio, organizations can automate data transfers, enforce business rules, schedule payroll data exports, and handle error conditions without manual intervention.

Error Handling and Monitoring

Integrations are only as reliable as their error handling. A well-designed Epicor to ADP integration includes automated monitoring that detects failed transactions, logs errors, and alerts the right people when something needs attention. Without this layer, data discrepancies can go undetected until they surface as payroll errors or compliance issues.

Epicor Automation Studio: The Integration Engine

Automation Studio gives organizations access to a library of pre-built connectors and workflow templates, including ADP Workforce Now, without requiring custom code for every integration point.

For an Epicor to ADP integration, Automation Studio handles the business logic: which employee records to sync, when to push labor hours to ADP, how to handle exceptions, and how to route payroll journal entries back into Epicor. Because workflows run server-side and outside the UI layer, they remain stable when Epicor releases updates. This upgrade safety is one of the most important reasons to build the integration through Automation Studio rather than point-to-point scripts or UI-dependent tools.

How to Approach the Epicor to ADP Integration

Assess Current Systems

Review how employee data, labor hours, and payroll information currently flow between Epicor and ADP. Identify where manual steps exist, where errors typically occur, and which data elements are most critical to automate first.

Define Objectives and Data Scope

Decide which data flows need to be automated, which direction they should move, and whether real-time or scheduled updates are appropriate for each. A clear scope prevents the integration from expanding in ways that increase risk and complexity.

Plan Integration Architecture

Determine how Automation Studio workflows will connect Epicor to ADP, how errors will be handled, and how the integration will be monitored over time. This planning phase is where most integration problems are prevented.

Implement and Test

Build the integration in phases, testing each workflow with representative data before moving to the next. Verify that labor hours flow correctly into payroll, that GL postings land in the right accounts, and that employee status changes trigger the right updates in both systems.

Train Users and Monitor

Ensure HR, payroll, and operations teams understand how data flows between systems and what to do when something does not look right. Implement monitoring from day one and review integration performance regularly.

Best Practices for a Successful Integration

Define System Ownership Early

Clearly determine which system owns each data element before building any workflows. ADP should own payroll calculations, tax compliance, and benefits enrollment. Epicor should own labor hour capture, job costing, and operational data. Mixing ownership creates conflicts and data overwrites that are difficult to untangle after go-live.

Map Critical Data Only

Attempting to sync every field between Epicor and ADP adds complexity without adding value. Focus on the data flows that directly support payroll accuracy, compliance, and cost allocation. A focused integration is easier to maintain, easier to troubleshoot, and less likely to break during system updates.

Design for Upgrade Safety

Both Epicor and ADP release updates regularly. Integrations built on UI-level scripts or fragile point-to-point connections break when either system updates. Using Automation Studio’s server-side workflows and ADP’s published APIs ensures the integration continues to function as both platforms evolve.

Plan for Monitoring and Governance

Ongoing oversight is not optional. Error logs, transaction monitoring, and periodic reviews catch data drift before it becomes a payroll problem. Assign clear ownership for monitoring the integration after go-live, and establish a process for reviewing performance as payroll volumes or business structure change.

Common Challenges to Avoid

• Treating integration as a one-time technical project rather than an ongoing operational process
• Allowing duplicate employee records to persist across Epicor and ADP
• Building workflows that depend on UI-level logic and break during upgrades
• Skipping error handling, leading to payroll discrepancies that surface at month end
• Failing to align payroll cycle schedules with data sync timing, causing incomplete payroll runs

FAQ on Epicor to ADP Integration

Partner with EC Solutions for Epicor to ADP Integration

Connecting Epicor with ADP Workforce Now requires more than technical connectivity. It requires a clear understanding of how payroll data, labor hours, and employee records interact across ERP and HR platforms, and how to design workflows that remain reliable as both systems evolve.

EC Solutions specializes in Epicor integrations for manufacturers and distributors. We help organizations design Automation Studio workflows that are upgrade-safe, properly scoped, and aligned with real payroll and HR processes. From initial assessment and data mapping to implementation, testing, and ongoing monitoring, we guide you from start to finish.

Contact EC Solutions today to discuss your Epicor to ADP integration strategy.