Flexspring Awarded Best Support for Enterprise and Mid-Market Businesses

Paychex Integration: Connect Paychex Flex® to Your ATS, Core HR, or ERP to Save Time and Money

Let experts handle your Paychex integration. We take care of everything. No internal IT resources are needed.

Gain seamless integration between Paychex and any HR app with data connectors custom-tailored by Flexspring to fit your unique business needs.

When experts connect data, you have peace of mind.

Gain seamless integration between Paychex and your ATS, HCM, or ERP app. A Paychex Flex integration with virtually any HR system is possible.


Improve your HR team’s productivity by avoiding double data entry between Paychex and your ATS, HCM, or ERP app—like Oracle HCM, SAP, Workday, NetSuite, and more.


No internal IT resources are needed to create a data integration. The experts at Flexspring handle all custom data mapping.


Go beyond scheduled file transfer to gain near real-time data sharing via API-to-API connection.


Gain fast integration using custom-tailored connectors.


Increase security by reducing the creation of unnecessary user accounts, duplicate employee profiles, and people involved with manual data entry.


Data integrations from Flexspring do not require manual interventions, are GDPR-compliant, SOC 2 certified, and meet enterprise-level security standards.


Flexspring focuses solely on HR data integration. It’s all we do. We’re a featured integration for Paychex.



Flexspring provides Paychex connectors for two popular ATS and HCM integration use cases.

Data integration from Flexspring frees your team from time-wasting, manual double-data entry. You only pay for the use case or use cases that you need. Oracle HCM to Paychex Flex, SAP to Paychex Flex, and Workday to Paychex Flex are among our most popular requests for Paychex integration. A Paychex Flex integration with virtually any ATS or Core HR system is possible.

 Paychex integration use case infographic
Choose Your Paychex Flex Integration Guide
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.

Use Case Details

New Hires from Your ATS or HCM to Paychex Flex

As soon as a hiring manager presses the new hire button in your ATS or HCM, new hire data automatically syncs in Paychex Flex in near real-time with the essential information needed to process payroll.

Employee Updates from Your ATS or HCM to Paychex Flex

As soon as current employee data changes in your ATS or HCM, the data automatically updates in Paychex Flex. Data integration ensures that all employee data needed to process payroll is up-to-date for current employees.

The 3 Most Popular Use Cases for Paychex Flex Integration with an ERP like NetSuite

Paychex integration is popular with ERP systems. For example, Paychex Flex integration with NetSuite.

Paychex integration with ERP use case infographic

Use Case Details

Paychex Payroll to Your ERP Journal Entries

This integration extracts weekly or bi-weekly payroll data from Paychex Flex and automatically imports the payroll data into your ERP. Specifically, this integration summarizes multiple lines of Paychex payroll data—for example, earnings, deductions, and taxes, etc.—to create one journal entry per payroll run per subsidiary. Summary amounts can be grouped by department or location. The journal entry contains a summary of pay data and does not include details about individual employees’ pay. This integration also checks the balances of debits and credits and notifies if there are any errors.

New Hires and Employee Updates from Paychex Flex to Your ERP

As soon as an employee is hired or updated in Paychex Flex, employee data automatically syncs in your ERP in near real-time with the employee data needed for workforce management.

Expense Reimbursement from Your ERP to Paychex Flex

Takes all approved expense reimbursements from your ERP that are beyond regular compensations—for example, travel deductions, mileage, or cell phone—and imports the expense data into Paychex Flex.

About Custom Integration with Paychex Flex

Features custom data mapping by Flexspring integration experts

Custom integration using a Paychex Flex connector from Flexspring is fast and relatively easy. The experts at Flexspring do all the data-mapping to create a tailor-made connector for your business. No internal IT resources are needed to create or maintain your integration.

With custom connectors, the experts at Flexspring meet the unique integration needs of your business as well as match the unique data field names and data syntax requirements of your ATS, HCM, ERP, and Paychex databases.

Fast integration

A custom integration of the Flexspring Connector for Paychex Flex can be fully deployed in 12-16 weeks, depending on complexity.

Read more about how HR and accounting teams save 15 to 40 hours a month by adding custom payroll data connectors from Flexspring. Take advantage of this opportunity to improve your HR and Accounting workflows. Check out the Ultimate Guide to Payroll Integration today!

Choose Your Paychex Flex Integration Guide

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
We’ll review your request and send you the guide in one business day.
We love to talk about data integration

For help with Paychex Flex integration, contact:

CEO, Founding Partner
917-618-9536 • sales@flexspring.com

Choose the HR Data Integration Experts

G2 Crowd rates Flexspring 4.5 out of 5 stars and recommends Flexspring.