TaxJar integrations

Connect TaxJar to any other app, or use it from your AI client over MCP. TaxJar’s award-winning solution makes it easy to automate sales tax management, reporting and filing. We obsessively leverage technology and exceptional customer service to help you focus on what matters most — growing your business.

Connects with an API keytaxjar.com

20 actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

Build solutions, not workarounds.

What do you want to automate with TaxJar?

Ask the assistant

Connect your AI client

Give your AI client this address.

https://mcp.apiant.ai

Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.

Set it up in your client

Claude Code

Run this in the directory you want to work in.

claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai

Start Claude Code there, approve the server, and sign in in the browser page it opens.

Claude Code guide

Claude, web and desktop

Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.

Setup guide

Cursor

Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.

Setup guide

Zed

Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.

Setup guide

Codex and the ChatGPT desktop app

Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.

Setup guide

Any other MCP client

Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.

Setup guide

Popular

TaxJar with the apps people pair it with most

Pair it

Connect TaxJar with another app

What your agent can do with TaxJar

Triggers and actions 20 actions

Action
Calculate Sales Tax for an Order
Works out the sales tax due on an order from the ship-from and ship-to addresses, the order amount and its line items.
Action
Create a Customer
Creates a customer in TaxJar with their exemption type and the regions the exemption applies to.
Action
Create an Order Transaction
Records a completed order in TaxJar so it counts towards your sales tax reporting.
Action
Create a Refund Transaction
Records a refund against an existing order in TaxJar so your sales tax reporting stays accurate.
Action
Get Two-Letter ISO Code for Region
Looks up the two-letter code for a state, province or country by name, using TaxJar's own list of regions.
Action
List Categories
Returns TaxJar's product categories and the tax code to use for each one.
Action
List Customers
Returns the IDs of every customer in your TaxJar account.
Action
List Nexus Regions
Returns the states, provinces and countries where your TaxJar account has nexus and must collect tax.
Action
List Orders
Returns the IDs of the orders recorded in TaxJar, optionally limited to a date or date range.
Action
List Refunds
Returns the IDs of the refunds recorded in TaxJar, optionally limited to a date or date range.
Action
Rates for Location
Returns the sales tax rates that apply at a location, broken down by state, county and city.
Action
Show a Customer
Returns one customer from TaxJar, including their exemption type and exempt regions.
Action
Show Order
Returns one order recorded in TaxJar, including its addresses, totals and line items.
Action
Show Refund
Returns one refund recorded in TaxJar, including the order it applies to and the amounts refunded.
Action
Summarize Tax Rates for All Regions
Returns the minimum and average sales tax rate for every state, province and country TaxJar covers.
Action
Update a Customer
Updates a customer in TaxJar. Only the fields you supply are changed.
Action
Update an Order Transaction
Updates an order already recorded in TaxJar. Only the fields you supply are changed.
Action
Update a Refund Transaction
Updates a refund already recorded in TaxJar. Only the fields you supply are changed.
Action
Validate an Address
Checks a US address and returns TaxJar's corrected version of it, so tax is worked out on a clean address.
Action
Validate a VAT Number
Checks whether a VAT number is valid and returns the business name and address registered against it.

Related apps

What our customers say

Questions

TaxJar, answered

Is there a TaxJar MCP server?

APIANT's MCP server at https://mcp.apiant.ai works with TaxJar. Add that address to any AI client that takes a remote MCP server, sign in once in your browser, and your client can build, test and run automations that use TaxJar. Nothing to install.

What can your agent do in TaxJar?

Any of TaxJar's 20 actions, including Create a Customer, Create an Order Transaction, Create a Refund Transaction and Update a Customer. Your agent maps the data both ways and tests every scenario before it ships.

Which apps can TaxJar connect to?

Any app in the catalog; the list on this page pairs TaxJar with each of them. If the other app is missing, point your agent at its API documentation and it builds the connector.

What happens when something fails?

Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.

Is there a free plan?

Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.