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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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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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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ADP Marketplace ESI - Making your first api call using Postman
This guide provides an overview of using Postman to make your first application programming interface (API) call to ADP Marketplace ESI.
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Deduction Instructions API Guide for RUN Powered by ADP
Allows applications to retrieve, start, change, and stop deductions for an employee or contractor.
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Applicant Onboard V2 API Guide for ADP Workforce Now
Posts an applicant as an in-progress and completed hire into ADP Workforce Now.
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