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
Job Requisitions, Job Applications and Assessment
Benefit Management
Employee Benefit and Insurance Management
Compliance Solutions
Verifications and Tax Credits
Learn and build
Gain insightful knowledge with documentation, explore and interact with APIs by API category, and simplify connectivity by leveraging our developer libraries
Stay up-to-date with the latest content
Stay informed as we constantly evolve and innovate on the ADP Marketplace platform.
What's New
Payroll Output API Guide (Turbo API) for Midsized to Enterprise Businesses
Provides the results of a payroll run in the JSON format and provides company level payroll details, company totals, associate payment summaries, and payment distribution details.
Log in to view UI/long arrow right
What's New
Work Assignment API Guide for ADP Workforce Now
Updates the work assignments details such as a worker's Job Title and Job Function.
Log in to view UI/long arrow right
What's New
What are ADP Client Connection Libraries?
The ADP Client Connection Library is intended to simplify and aid the process of authenticating, authorizing and connecting to the ADP API Gateway. The library includes a sample application that can be run out-of-the-box to connect to the ADP API test gateway. ADP Client Connection Library supports OAuth2 Authorization Code and Client Credentials flows. ID token retrieval via OpenID Connect based Authorization Code flow is also supported. The following table shows the availability of the library for various languages. Connection Library Repos Language Download Library Guide Node.js NodeJS Developer Library Guide Java   Java Developer Library Guide .NET .NET Developer Library Guide Python Python Developer Library Guide PHP PHP Developer Library Guide Ruby Ruby Developer Library Guide
Read more UI/long arrow right