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Ensure you have Admin privileges for your ADP Workforce Now account.

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Prerequisites

Before you begin, ensure you have the following requirements.

1

Verify Admin Access and Install ADP API Central

Admin privileges are required for ADP Marketplace, project creation, and certificate management.

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Obtaining Client ID and Client Secret

Access credentials via the ADP API Central app in your ADP account.

1

Create a Project in ADP Central

Log in to ADP API Central to create your API project.

  • Navigate to Projects in the left menu
  • Click Create a Project
  • Enter a project name and optional description
  • Select the required use cases (at minimum, Worker Demographics & Pay Profile (Read/Write))
  • After project creation, enable additional APIs via the API Discovery tool within the project as needed
  • Click Create Project to complete
2

Copy Your Credentials

Retrieve your Client ID and Client Secret from the project.

  • In the project, go to the Credentials tab
  • Copy your Client ID and Client Secret
  • Store these values securely for use later

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Generating Certificate Files

Generate certificate and private key files for secure mTLS authentication.

1

Access Certificate Management

In your ADP Central project, click Manage Certificate.

2

Generate Certificate

Follow the steps to generate a certificate signing request (CSR).

  • Refer to ADP’s official guide for Generating a Certificate Signing Request
  • Download and save the certificate (.pem) file and private key file
  • Ensure full headers are included (e.g., -----BEGIN CERTIFICATE----- and -----END CERTIFICATE-----)
3

Copy Certificate and Private Key Contents

Prepare the certificate and private key values for the connection.

  • Open both files in a text editor
  • Copy the full contents of the certificate file including BEGIN and END markers
  • Copy the full contents of the private key file including BEGIN and END markers
  • Store these values securely for use later

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Creating the StackOne Connector Profile

To create the Connector Profile in StackOne for ADP Workforce Now:
1

Navigate to Connector Profiles

Login to StackOne and navigate to Connector Profiles
2

Create New Connector Profile

  • Click + Connector Profile
  • Search for and select ADP Workforce Now
  • Select Type as OAuth 2.0
  • Fill out the fields using details retrieved from your provider:
    • Client ID
    • Client Secret
    • Client Certificate
    • Private Key
  • (Optional) Select Actions to be enabled for this Connector Profile
  • Click Create profile
Congratulations! The new Connector Profile will now show up in your project ready to be used. You can now continue to Link Accounts for ADP Workforce Now.