Web API Setup
You can try the Web API for free for 30 days! After your free trial the cost is just $75 for 3 months of unlimited use.
To get started with your free trial you will need a User ID. Once you have your User ID you're ready to start calculating payroll withholding in your app.
You can use the form below to receive a USER ID.
To get started with your free trial you will need a User ID. Once you have your User ID you're ready to start calculating payroll withholding in your app.
You can use the form below to receive a USER ID.