Accounting

Surplus Lines Tax API integrations

Connect Surplus Lines Tax API to any other app, or use it from your AI client over MCP. Surplus Lines Tax API is a calculator for surplus lines taxes, stamping fees, and regulatory charges across all 50 U.S. states and DC.

Connects with an API keysurpluslinesapi.com
3 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 Surplus Lines Tax API?

Ask the assistant

You'll sign in before anything runs. What you typed comes with you.

Connect your AI client

Give your AI client this address.

https://mcp.apiant.ai

One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. 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 (opens in a new tab)
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 (opens in a new tab)
Cursor

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

Setup guide (opens in a new tab)
Zed

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

Setup guide (opens in a new tab)
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 (opens in a new tab)
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 (opens in a new tab)

Popular

Surplus Lines Tax API with the apps people pair it with most

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What your agent can do with Surplus Lines Tax API

Triggers and actions 3 actions

  • Action
    Calculate Surplus Lines Tax

    Calculates the surplus lines tax, stamping fees and other statutory charges due on a policy premium for a given state. Returns the itemized breakdown, the total tax and the total amount due.

  • Action
    Get historical tax rate

    Returns the surplus lines tax rate, stamping fee and other statutory charges in force for a state on a given date. Leave the date empty for today's rates.

  • Action
    Get Tax Rate

    Returns the surplus lines tax rate, stamping fee and other statutory charges currently in force for a state.

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Questions

Surplus Lines Tax API, answered

Is there a Surplus Lines Tax API MCP server?

APIANT's MCP server at https://mcp.apiant.ai works with Surplus Lines Tax API. Add that address to any AI client that takes a remote MCP server and sign in once in your browser. Your client can then run Surplus Lines Tax API actions on demand, or have APIANT build, test and run automations that use Surplus Lines Tax API. Nothing to install.

What can your agent do in Surplus Lines Tax API?

Any of Surplus Lines Tax API's 3 actions, including Calculate Surplus Lines Tax, Get historical tax rate and Get Tax Rate. Your agent maps the data both ways and tests every scenario before it ships.

Can I use Surplus Lines Tax API directly from Claude, ChatGPT or Cursor?

Yes. Connect your AI client to APIANT once and it works with Surplus Lines Tax API two ways. Ask it to do something in Surplus Lines Tax API once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running on its own. A one-off action uses your plan's tasks the same way an automation step does.

Do I need to write code against the Surplus Lines Tax API API?

No. APIANT connects to the Surplus Lines Tax API API for you, with your Surplus Lines Tax API API key. Describe what you want in plain language and your agent builds it on the Surplus Lines Tax API triggers and actions in the catalog. If you need an endpoint that is not there yet, your agent reads the Surplus Lines Tax API API documentation and adds it.

Which apps can Surplus Lines Tax API connect to?

Any app in the catalog; the list on this page pairs Surplus Lines Tax API 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.