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.

Contact Name:
Company Name:
Contact Voice Phone(optional):
Email Address:
Email Address again:
You must create a User ID and password. User ID and password may only be alphanumeric characters with no spaces.
User ID:
Password (8 or more characters):
(Alphanumeric only, no spaces)
Password again:
I have read and agree with the License Agreement. 
click here to view license agreement in new window.