Index onlineMerchant portal
Api Endpoint

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 interactive test console

Offering

Provider
api.interzoid.com
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Financial Analysis
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.interzoid.com/getsalesusetaxrates
MIME type
application/json
First seen
2026-10-16T02:00:03.055Z
Last seen
Tags
sales tax rates, US sales tax, use tax, tax compliance, e-commerce tax

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.25 USDC
Atomic price: 250000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "250000",
    "payTo": "0xdCEca23FF8A7145e1b5B35427C9886CF21A67566"
  }
]

Observed health

Status
Healthy
Latest latency
10 ms
Average latency
426 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "method": {
      "enum": [
        "GET"
      ],
      "type": "string"
    },
    "queryParams": {
      "properties": {
        "language": {
          "description": "Optional. Return the result values in this language, as a two-letter code, English name, or native name (for example de, German, or Deutsch); not case-sensitive. Default English. An unsupported language returns English. Same price in every language.",
          "type": "string"
        },
        "lookup": {
          "description": "Full street address, ZIP code, city, or state",
          "type": "string"
        }
      },
      "required": [
        "lookup"
      ],
      "type": "object"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method"
  ],
  "type": "object"
}

Output schema

{
  "properties": {
    "example": {
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}