Infor CloudSuite and Paychex integration

What moves between them

The main flow is Paychex into Infor CloudSuite. After each payroll cycle, ml-connector reads Paychex workers, pay components, and checks; maps workers to Infor CloudSuite cost centers or dimensions; and posts the payroll cost allocations into GL accounts as journal entries. Worker attributes such as location, job code, and custom fields can also flow into Infor CloudSuite procurement or supply chain records for cost tracking. Reference data such as organizations and locations are aligned in both directions. GL postings are created in Infor CloudSuite and are not written back to Paychex, since Paychex does not expose AP or GL posting APIs.

How ml-connector handles it

ml-connector stores OAuth credentials for both systems encrypted and refreshes the Paychex bearer token proactively before expiry (since Paychex does not issue refresh tokens). It accepts the customer-specific ION API Gateway base URL and tenant ID from the Infor CloudSuite credentials file, and constructs the Paychex API endpoint as https://api.paychex.com. Because Infor CloudSuite has no webhooks, it polls Paychex on a schedule tied to your payroll calendar; it can also listen to Paychex webhook events to trigger on-demand syncs when workers or pay components change. Pay components are mapped to Infor CloudSuite GL accounts by code or description, and workers are matched to cost centers by location or job code. When a GL posting fails (for example, if an unmapped cost center is encountered), the record is queued for replay after manual remediation. Every transaction carries a full audit trail including the timestamp, the records synced, and the direction of flow.

A real-world example

A regional manufacturing company runs Infor CloudSuite M3 for procurement, inventory, and finance, and uses Paychex Flex for payroll and HR across three plants. Before the integration, the payroll team exported pay summaries from Paychex each week and the finance team manually entered labor costs into Infor CloudSuite by cost center and GL account, a process that took several hours and was prone to rounding errors and missed allocations. With Paychex and Infor CloudSuite connected, the payroll cycle is closed automatically: Paychex check data flows into Infor CloudSuite, costs are allocated to the correct cost centers per plant, and GL accounts are updated within hours of payroll completion. The finance team now spends month-end close time on analysis rather than reconciliation.

What you can do

• •Map Paychex workers to Infor CloudSuite cost centers or supplier records based on location, job code, or custom fields.
• •Post Paychex payroll costs into Infor CloudSuite GL accounts on a schedule tied to your payroll calendar, with full cost allocation by business unit.
• •Sync Paychex pay components, deductions, and custom fields into Infor CloudSuite for accurate cost tracking and budgeting.
• •Refresh OAuth tokens on both sides and retry failed GL postings with a full audit trail of every record.
• •Listen to Paychex webhook events to trigger immediate syncs when workers or pay components change in real time.

Questions

Which direction does data flow between Infor CloudSuite and Paychex?

The primary flow is Paychex into Infor CloudSuite. Payroll costs, worker records, pay components, and deductions move from Paychex into Infor CloudSuite as GL postings and cost allocations. Reference data such as organizations and locations can flow in both directions for alignment. Infor CloudSuite GL records are not written back to Paychex because Paychex does not expose AP or GL posting APIs.

How does ml-connector handle the unique base URL and tenant ID for each Infor CloudSuite customer?

Infor CloudSuite credentials are provided in a .ionapi file that includes the customer-specific base URL, tenant ID, and OAuth endpoints. ml-connector extracts these values from the .ionapi file during setup and constructs all REST calls to the customer's ION API Gateway. Because each tenant has a unique base URL and region, there is no shared hostname, and ml-connector stores and uses the customer-provided URL for all calls.

Does the integration handle Paychex webhook notifications, or does it only poll?

ml-connector polls Paychex on a schedule tied to your payroll calendar as the default sync method, since Infor CloudSuite has no webhooks of its own. However, if Paychex webhooks are enabled (WRKR_DEM, WRKR_EMPL, or other event domains), ml-connector can listen for notifications and trigger immediate reads to fetch the full worker or pay component record, reducing the lag between a Paychex change and its appearance in Infor CloudSuite.