A simple WASI service for querying and calculating U.S. payroll withholding taxes. For more information, see https://taxupdate.com. This package includes a demo tax table, which means it has formulas for all the states and most local payroll taxes. The "demo" aspect means the formulas are a few months old.

To run:

wasmer run calibertechnology/taxserver

If you have a TaxUpdate subscription, you can import the latest taxfile at startup. Using your <username> and <password> credentials, run:

export USERNAME="<username>"
export PASSWORD="<password>"
wasmer run calibertechnology/taxserver

API

The taxserver package will read stdin expecting a https://www.taxupdate.com/guides/taxserver/api/batch_taxamount/ object.