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Workday to ADP Integration: How to Connect Workday with ADP

When a hiring manager presses the hire button in Workday, the new employee's information appears in ADP automatically — nobody retypes it. Flexspring connects Workday directly to ADP Workforce Now or ADP Vantage HCM, so new hires, employee changes, terminations and approved time off move across in near real time. Your team gets fewer payroll corrections, faster onboarding, and an end to double data entry between HR and payroll.

Flexspring builds, hosts and monitors the connection for you. There are no files to upload and nothing for your team to maintain. The essential build — standard fields plus up to five custom fields — goes live in 4–6 weeks; a custom build with more fields and your own business logic takes 8–10 weeks. Payroll journal entries flow back from ADP into Workday, and every other use case is built separately. Flexspring is an ADP Marketplace Platinum Partner and a Workday Marketplace Partner, and you buy your Workday connector on the ADP Marketplace.

Workday to ADP
ADP to Workday journal entries
4–6 weeks essential fields, or 8–10 weeks custom
Flexspring is an ADP Marketplace Platinum Partner and a Workday Marketplace Partner

What syncs between the two systems

Everything below flows from Workday to ADP automatically, except payroll journal entries, which flow the other way — from ADP back into Workday, so wage expenses, tax liabilities and benefits reach your general ledger without anyone rekeying them.

What syncs
Trigger
New hires, including your custom fields
Hire button pressed
Employee changes and rehires
When the record changes
Approved paid time off
When time off is approved
One-time payments — bonuses, stock and other awards
When the record changes
Direct deposit details
When the record changes
Departments, locations, jobs, cost centers and business units
When the record changes
Interdepartmental transfers, including cost centers and payroll allocations
When the transfer is recorded
Benefits and allowances
When the record changes
Time and attendance for hourly and salaried employees
Each pay cycle
Federal and state tax details and deductions
When the record changes
Payroll journal entries — wage expenses, tax liabilities and benefits
After payroll runs
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Cover of the Workday with ADP Integration Guide from Flexspring
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How the integration works

1
Scoping. You pick the use cases you need from the list above. Flexspring maps every field between the two systems, including your custom fields and business rules.
2
Direct connection. Flexspring iPaaS connects the two systems to each other over secure APIs. There are no spreadsheets to export, no files to transfer, and no manual steps in the middle.
3
Near real-time sync. When a record changes — a hire, a promotion, an approved time-off request — the change moves across in near real time rather than waiting for an overnight batch.
4
Monitoring and error handling. The integration is monitored continuously, with error handling, visibility into every transaction, and a named support contact. When either app changes their API, Flexspring updates your integration.
5
Ongoing changes. Your integration is future-proofed for ongoing enhancements without re-implementation, and adapts to custom fields, new locations, new systems and business rules.

Flexspring iPaaS does not store employee data beyond temporary transaction logs, and meets SOC 2, GDPR and ISO 27001 standards.

Real Results: Data Integration Case Study

Logicalis HR Team Streamlines Workflow with Workday to ADP Integration

Workday to ADP Integration Case Study: A global IT solutions company automates its Core HR to payroll workflow with hands-free data integration.

Read the full case study

Do you actually have to choose?

A lot of people arrive here comparing the two products. If you're deciding which single system to buy, that's a real decision and this guide won't make it for you.

But many teams don't choose. They keep Workday as the HR system of record — where managers hire, update records and approve time off — and ADP for payroll, whether that is ADP Workforce Now or ADP Vantage HCM. That works well, right up until someone has to keep both in sync by hand. That's the problem this integration solves: Workday stays the place people work, and ADP gets clean data on time without anyone retyping it.

Frequently asked questions

Does Workday integrate with ADP?

Yes. New hires, employee changes and approved time off move from Workday to ADP automatically, and payroll journal entries flow back from ADP into Workday. Flexspring builds and maintains the connection.

How do I connect Workday to ADP?

You decide which information you want to sync, and Flexspring maps every field between the two systems and builds the connection. There is nothing for your team to install or maintain. You buy your Workday connector on the ADP Marketplace.

What employee information syncs?

New hires and employee changes, including your custom fields. You can also add one-time payments such as bonuses and stock awards, federal and state tax details and deductions, benefits and allowances, approved paid time off, direct deposit details, time and attendance, departments, locations, jobs, cost centers and business units, interdepartmental transfers, and payroll journal entries flowing back into Workday.

How long does the integration take?

The essential build — standard fields plus up to five custom fields — goes live in 4–6 weeks. A custom build with more than five custom fields and your own business logic takes 8–10 weeks. The guide explains which one fits your setup.

Is our employee data stored anywhere during the transfer?

No. Flexspring does not store employee data beyond temporary transaction logs, and does not require anyone to handle the data manually. Flexspring meets SOC 2, GDPR and ISO 27001 standards.

Do we need IT or a developer to set this up?

No. Flexspring’s team builds the integration to your requirements and monitors it afterwards, including handling API changes from either vendor. Your part is deciding which use cases you need and confirming how your fields should map.

See pricing for your integration

The guide includes pricing for each use case, how to choose between essential and custom, and which version fits your team. Sent within one business day.

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