Overview
To authenticate Paychex, you will need to provide the following information:
API key
Client Secret
This guide will walk you through finding or creating those credentials within Paychex.
Prerequisites
Please ensure you have Admin permissions in your company's Paychex instance or someone has shared their access with you.
Instructions
Step 1: Find your API key and Client Secret
Log in to your Paychex account and go into Company Settings
Select Integrated apps
Click Create App
Enter an Application Name and Description
If you need access to Payroll data and do not see it as a toggle, contact your account manager for help.
Select Read & Write for both Payroll and Company & People
Accept the Legal Notice and Paychex Inc, API License Agreement, then hit Save
You'll then see the API key and Client Secret, which you'll paste into the linking flow
Step 2: Paste the credentials into the linking flow
Notes
If you require payroll data but do not have access to the Payroll and check APIs toggle while linking your account, please ask the company providing the application you are integrations with to contact Paychex with the below message:
We are using Merge API as a third party integration provider and are looking to integrate {customer} payroll data to our system. We need access to the Payroll and check APIs toggle in the Access settings for an application. Please advise us what information you need from us and if there is a form for us to fill out.