ADP Developer Resources

Integration made possible

Discover resources to help you build applications and connectors using ADP® APIs

Integrations to fit your use case

Discover common integration flows with ADP APIs based on your business use case as a solution provider - and accelerate your integration with targeted guides.

Human Resources

Workforce Hiring to Retirement

Payroll Management

Earnings, Deductions, Tax Withholding and Payroll Results

Time & Labor Management

Time & Attendance, Workforce management

Recruiting

Job Requisitions, Job Applications and Assessment

Benefit Management

Employee Benefit and Insurance Management

Compliance Solutions

Verifications and Tax Credits

Learn and build

Build integrations with foundational tools and guides, and explore APIs by ADP product.

Integration foundations

Tools and guides

Product guides

Step-by-step implementation guides to help you build integrations to a specific ADP product

Marketplace guides

Learn how to setup your listing on our digital storefront and how ADP authenication and authorization models work

Key concepts

Learn about authenication, single-sign on and our digital storefront platform

Developer Libraries

Simplify connectivity and authenication using your preferred code language

Get started

Explore APIs

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Stay up-to-date with the latest content

Stay informed as we constantly evolve and innovate on the ADP Marketplace platform.

Generating a Certificate Signing Request

Describes the steps for generating a CSR using OpenSSL.

Worker Management API Guide for ADP Workforce Now

Describes how your application can access and manage information about workers in the ADP Workforce Now application.

Making Your First API Call Using Postman

Instructions on how to use Postman to make your first API call to ADP.

External Benefit Plans API Guide for ADP Workforce Now

The External Benefit Plans API is used to create and update Benefit Plans.

Organization Management API Guide for ADP Workforce

The Organization Management Application Programming Interface (API) supports the viewing of a variety of information: • Cost Centers • Departments • Jobs • Positions • Roles: Marketplace API Roles not compliant – in progress Note: ADP Workforce is used in the Netherlands and must not be confused with ADP Workforce Now in the United States.

Pay Data Input API Guide for iHCM UK (pilot)

The Pay Data Input API Guide for iHCM UK describes how your application can present payroll data to the ADP iHCM application. * No general availability yet, pilot ongoing.