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
Stay up-to-date with the latest content
Stay informed as we constantly evolve and innovate on the ADP Marketplace platform.
Popular Content
Generating a Certificate Signing Request
Describes the steps for generating a CSR using OpenSSL.
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Making Your First API Call Using Postman
Instructions on how to use Postman to make your first API call to ADP.
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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.
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Workers - Work Assignment Management API Guide for ADP Link
The Workers - Work Assignment Management Application Programming Interface (API) is used to manage various aspects of the work assignment.
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Pay Data Input Management API Guide for ADP LINK
The Pay Data Input Management API Guide describes how your application can change a one-time payroll, such as a charity deduction, for a worker in the application. It helps you to determine which use case best meets your business needs. It also guides you through the implementation of each use case.
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Applicant Onboard V2 API Guide for RUN Powered by ADP
Implemented to support onboarding a new employee or contractor.
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