Welcome to Product Guides

Our hope is that you will find quick and easy access to our documentation to assist you in getting up and running with Symmetry Software products.

Symmetry Tax Engine

Payroll processing and tax calculator to build or enhance a payroll platform, embed payroll into an existing application and increase compliance and accuracy.
Basic Concepts
Symmetry Payroll Forms

Directly integrate and automate the withholding forms process at the federal, state, and local levels with over 125 compliant forms.
Overview Hosted API
Symmetry Payroll Point

Identify and accurately determine complex state and local taxes based on a work and residential address.
Overview Portal API
Symmetry Minimum Wage Finder

Integrate minimum wage rates by exact location coordinates directly into your application.
Portal API Guide
Calculators by Symmetry

Over 11 embeddable payroll tax modeling calculators for any gross-to-net calculation need.
Widgets API
Webhooks by Symmetry

Webhooks by Symmetry allows your application to stay in sync with payroll tax updates from the Symmetry Tax Engine.
Getting Started

Symmetry Tax Engine