Use TaxJar MCP to take action in your AI tools

List Categories

Gets the latest product categories and corresponding tax codes from TaxJar via GET to the v2/categories API endpoint

Get Two-Letter ISO Code for Region

TaxJar requires two-letter ISO codes be passed to its API for countries, regions, and US states. For example, given 'Hawaii' this action will return 'HI'. To view all countries that TaxJar supports for tax calculations, see https://developers.taxjar.com/api/reference/#countries .

Create a Customer

Creates a new customer in TaxJar via POST to the v2/customers API endpoint

Create an Order Transaction

Creates a new order transaction in TaxJar via POST to the v2/transactions/orders API endpoint

Create a Refund Transaction

Creates a new refund transaction in TaxJar via POST to the v2/transactions/refunds API endpoint

List Customers

Lists existing customers created through the API via GET to the v2/customers endpoint

List Orders

Lists existing order transactions created through the API via GET to the v2/transactions/orders endpoint

List Refunds

Lists existing refund transactions created through the API via GET to the v2/transactions/refunds endpoint