Interzoid Data APIs

Current US sales and use tax rates for any address, ZIP code, city, or state, broken down into state, county, city, and special district rates plus the combined rate. A full street address gives the most accurate rate. For e-commerce checkout, invoicing, tax compliance, and accounting.

Open endpoint ↗

Price per call: $0.25
Chain: Base
Method: GET
Paid calls · 30 days: 2

Call it from code

This API is run by its own provider and paid directly through x402. We list it so you can find it; we don't route or hold the payment.

import { x402Client, wrapFetchWithPayment } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";

const client = new x402Client();
registerExactEvmScheme(client, { signer: agentAccount });

const pay = wrapFetchWithPayment(fetch, client);
const res = await pay("https://api.interzoid.com/getsalesusetaxrates", { method: "GET" });
console.log(await res.json());

https://api.interzoid.com/getsalesusetaxrates