Our process for Paychex clients
As a client of Paychex, you can create and manage your application used for creating your own integrated solution within Paychex Flex.
If you’re ready to get started, you can jump to 'Create an App’ in your Paychex Flex account. If you plan on creating a solution that involves several other client ID’s, it’s a good idea to decide under which client account you want to ‘Manage’ the entire integration on. This is the one that you create the app on and start with, then you can link other accounts to it as needed!
NOTE: You must have permission to manage connected applications. This is available to users that have a role such as a Super Admin or a Security Admin.
Create an app
Our few simple steps get you up and running within minutes! Just name your app, give it a brief description and choose the access levels to the data you want to share.
Develop and test
This portal gives you all the documentation you need to understand our public API’s and test it in our sandbox environment! Point your URL to sandbox.api.paychex
Once you are ready to promote your project from the sandbox you can point back to production URL to api.paychex.com. You can authenticate your applications same API Key and Secret.