TriNet + Workday REST
Sync TriNet and Workday REST to Unify Your HR and Workforce Data
Stop re-entering the same employee data twice. Keep records, payroll, and benefits consistent across TriNet and Workday automatically.
Why integrate TriNet and Workday REST?
TriNet and Workday each hold a piece of your workforce data — TriNet on the PEO side with payroll and benefits administration, Workday on the HCM side with workforce planning and financial management. When those two systems fall out of sync, the problems compound fast: payroll errors, compliance gaps, and HR teams spending their afternoons reconciling spreadsheets. Connecting TriNet with Workday REST through tray.ai lets employee lifecycle events, compensation changes, and benefits enrollments move automatically between both systems, without anyone manually moving them.
Automate & integrate TriNet & Workday REST
Use case
New Hire Synchronization Across Both Platforms
When a new employee is created in Workday after offer acceptance and pre-boarding, tray.ai automatically provisions that employee record in TriNet so payroll enrollment and benefits eligibility can begin right away. Personal details, job codes, cost centers, and start dates are mapped and transferred without manual re-keying. The new hire is payroll-ready from day one.
Use case
Employee Profile Updates and Change of Record
Job title changes, department transfers, manager reassignments, and address updates made in Workday are automatically reflected in TriNet, keeping both platforms consistent for payroll tax calculations, benefits eligibility, and compliance reporting. The integration listens for Workday worker change events and pushes relevant data to TriNet in near real time. HR teams don't need to make the same update twice.
Use case
Termination and Offboarding Workflow Automation
When a termination is processed in Workday, tray.ai triggers a corresponding offboarding workflow in TriNet to stop payroll, initiate COBRA notifications, and close out benefits enrollment. The integration captures the effective termination date, reason code, and final pay details so both platforms reflect an accurate and compliant separation record. That eliminates the risk of post-termination payroll errors or benefits overpayments.
Use case
Payroll Data Reconciliation and Reporting
tray.ai pulls payroll run summaries and compensation data from TriNet and reconciles them against Workday's compensation and financial records, flagging discrepancies for HR and finance teams to review. This replaces error-prone manual spreadsheet comparisons and speeds up period-end close. Finance and HR leaders can trust that both systems are showing the same payroll figures.
Use case
Benefits Enrollment Sync and Open Enrollment Automation
During open enrollment, benefits elections captured or updated in TriNet can be synced back into Workday so benefit cost deductions, plan codes, and dependent information are accurately reflected in workforce cost planning. tray.ai manages the data flow to make sure enrollment deadlines are met and both platforms carry matching coverage details. No more year-end scramble to reconcile benefits data across systems.
Use case
Compensation Change and Merit Cycle Updates
When Workday compensation reviews produce salary changes, bonus awards, or equity grants, tray.ai pushes those updates to TriNet so payroll immediately reflects the approved figures. This matters most during annual merit cycles, when dozens or hundreds of compensation changes need to hit payroll without delay. The integration removes the lag between a Workday compensation approval and the corresponding TriNet payroll update.
Use case
Headcount and Workforce Analytics Consolidation
tray.ai aggregates headcount, turnover, and workforce composition data from both TriNet and Workday into a unified destination — a data warehouse or BI tool — giving HR and executive teams a complete, consistent view of the workforce. By normalizing employee data from both platforms, organizations can run accurate reports on headcount by department, benefits cost per employee, tenure, and attrition. That removes the guesswork that comes from manually stitching together reports from two separate HR systems.
Get started with TriNet & Workday REST integration today
TriNet & Workday REST Challenges
What challenges are there when working with TriNet & Workday REST and how will using Tray.ai help?
Challenge
Inconsistent Employee ID and Record Matching
TriNet and Workday often use different internal identifiers for the same employee, which makes reliable record matching during bidirectional syncs genuinely hard. Without a consistent key — a shared email address or SSN fragment, for example — automated updates can hit the wrong employee or create duplicates.
How Tray.ai Can Help:
tray.ai's data mapping and transformation tools let teams define custom matching logic using composite keys such as email, national ID, or a cross-reference table in a connected database. Built-in error handling surfaces unmatched records for manual review rather than silently failing or creating duplicates.
Challenge
API Rate Limits and Large Volume Sync Windows
During open enrollment, merit cycles, or acquisitions, the volume of records that need to sync between TriNet and Workday can exceed API rate limits on either platform. Processing those updates without care leads to throttling errors, incomplete syncs, and data gaps.
How Tray.ai Can Help:
tray.ai has built-in rate limit handling, configurable retry logic, and support for chunked batch processing so large-volume sync jobs complete reliably within each platform's API constraints. Workflow designers can tune batch sizes and delays without writing custom throttling code.
Challenge
Handling Effective-Dated Transactions Correctly
Both Workday and TriNet support effective-dated records, meaning a change entered today may not take effect until a future date. Integrations that sync data immediately can push future-dated changes into TriNet before they're supposed to be active, causing incorrect payroll calculations or premature benefits changes.
How Tray.ai Can Help:
tray.ai workflows can inspect effective dates on Workday transactions and conditionally delay or schedule the corresponding TriNet update to fire only on or after the effective date. Time-sensitive HR changes get applied in both systems at the right moment, not whenever the sync happens to run.
Challenge
Compliance and Data Privacy Requirements
Employee data moving between TriNet and Workday includes sensitive PII — Social Security Numbers, compensation figures, medical benefits information. Any integration needs to comply with HIPAA, SOC 2, and applicable state privacy laws, and must keep sensitive fields from being logged or exposed in transit.
How Tray.ai Can Help:
tray.ai is SOC 2 Type II certified and provides field-level data masking, encrypted transit, and configurable audit logging so sensitive employee fields stay protected throughout the integration pipeline. Administrators control exactly which fields are transmitted, logged, and visible within the workflow builder.
Challenge
Change Event Latency and Near-Real-Time Sync Requirements
Some HR events — terminations, emergency address changes — need to show up in both systems within minutes, not hours. A daily polling schedule leaves the two platforms out of sync long enough to cause real payroll or compliance problems.
How Tray.ai Can Help:
tray.ai supports event-driven webhook triggers from Workday REST, so workflows can fire within seconds of a change being recorded. For TriNet events that rely on polling, tray.ai allows high-frequency scheduled triggers so the sync interval can be tuned to match operational requirements.
Start using our pre-built TriNet & Workday REST templates today
Start from scratch or use one of our pre-built TriNet & Workday REST templates to quickly solve your most common use cases.
TriNet & Workday REST Templates
Find pre-built TriNet & Workday REST solutions for common use cases
Template
New Employee in Workday → Create Employee Record in TriNet
This template monitors Workday REST for newly created worker records and automatically creates a corresponding employee in TriNet, mapping all required fields including personal information, job details, compensation, and work location.
Steps:
- Trigger on new worker creation event in Workday REST via webhook or scheduled polling
- Transform and map Workday worker fields to TriNet employee record schema
- Create new employee record in TriNet and log the TriNet employee ID back to Workday for reference
Connectors Used: Workday REST, TriNet
Template
Workday Worker Change Event → Update TriNet Employee Profile
Automatically detects job, compensation, or personal information changes in Workday and pushes those updates to the matching TriNet employee record, keeping both systems consistent without manual intervention.
Steps:
- Listen for Workday worker change events using Workday REST webhooks or a scheduled sync
- Identify the type of change (job change, location update, manager reassignment) and map relevant fields
- Update the matching TriNet employee profile with the changed data and log confirmation
Connectors Used: Workday REST, TriNet
Template
Workday Termination → Trigger TriNet Offboarding Workflow
When a termination is processed in Workday, this template immediately starts the offboarding process in TriNet, including stopping payroll and flagging the record for COBRA and benefits cessation processing.
Steps:
- Detect termination event in Workday REST with effective date and termination reason
- Call TriNet API to update employee status to terminated with matching effective date
- Notify HR and payroll stakeholders via email or Slack and log the offboarding action for audit purposes
Connectors Used: Workday REST, TriNet
Template
TriNet Payroll Run → Reconcile Against Workday Compensation Records
After each TriNet payroll run, this template extracts payroll totals and compares them against Workday compensation records, automatically flagging discrepancies and routing them to the appropriate HR or finance owner for resolution.
Steps:
- Retrieve completed payroll run data from TriNet including gross pay, deductions, and net pay by employee
- Fetch corresponding compensation and FTE data from Workday REST for the same pay period
- Compare records, generate a discrepancy report, and send alerts to finance and HR operations teams
Connectors Used: TriNet, Workday REST
Template
TriNet Benefits Election → Sync to Workday Worker Benefits Profile
Captures benefits enrollment and change events from TriNet and syncs plan codes, coverage tiers, and dependent information back into Workday so workforce cost planning and reporting stay accurate.
Steps:
- Poll TriNet for new or updated benefits elections on a scheduled basis or via event trigger
- Map TriNet plan codes and coverage data to Workday benefits plan schema
- Update Workday worker benefits enrollment records and confirm sync with a log entry
Connectors Used: TriNet, Workday REST
Template
Scheduled TriNet-Workday Headcount Reconciliation Report
Runs a nightly or weekly comparison of active employee counts between TriNet and Workday, producing a reconciliation report that calls out any mismatched or orphaned records that need HR review.
Steps:
- Pull full active employee list from both TriNet and Workday REST on a scheduled trigger
- Match records by employee ID or email and identify discrepancies or missing records in either system
- Generate and distribute a reconciliation summary report to HR operations via email or Slack
Connectors Used: TriNet, Workday REST