Ziptax Inc.

Getting Started

Rate Request

By Address

By Lat / Lng

By Postal Code

Response Codes

Product Codes

Product Code Search

Product Code Recommendation

Account Metrics

Language SDKs

Go SDK

Python SDK

Node SDK

RESTful Code Samples

Golang

Python

Agents & LLMs

Claude Skill

Machine Readable OpenAPI Spec

MCP Server for AI Agents

Ziptax MCP Server Endpoint

Default

Ziptax API Documentation

zip.tax offers an online look-up service and a developer API for sales tax data by full or partial address or geographic latitude and longitude coordinates. 

zip.tax API Documentation

Production

Sandbox

No matter where you sell, we offer unmatched expertise in calculating sales tax rates and provide precise Taxability Information Codes (TICs) classification for your products. Use our TIC library to properly adjust sales tax rate data for jurisdictions where items may be exempt or partially taxed.When using the <code class="slate-code">taxabilityCode</code> feature with <a href="691f8320d38fd8394e575ca9/691f86aa75f162b57f3bfc03" target="">address</a> or <a href="691f8320d38fd8394e575ca9/691f9221ce49af1778cdae69" target="">lat/lng</a> lookups, a taxability code must be sent as the parameter value. The full list of product codes can be access programmatically at: <a href="https://api.zip-tax.com/data/tic" target="_self">https://api.zip-tax.com/data/tic</a>The Ziptax API offers two types of taxabilityCode search. The <a href="69399f9f1567672fba6edf8f/69b1e2c3b121dddc0f980a5a" target="">Product Code Search</a> endpoint can be used to send a natural language product description to receive a full list of matches from the TIC data. Alternatively, we offer the <a href="69399f9f1567672fba6edf8f/69b1e526ca0104c3015ec855" target="">Product Code Recommendation</a> endpoint which can be searched using the same natural language input but the response will provide a single AI-powered TIC match.

No matter where you sell, we offer unmatched expertise in calculating sales tax rates and provide precise Taxability Information Codes (TICs) classification for your products. Use our TIC library to properly adjust sales tax rate data for jurisdictions where items may be exempt or partially taxed.

 lookups, a taxability code must be sent as the parameter value. The full list of product codes can be access programmatically at: 

The Ziptax API offers two types of taxabilityCode search. The 

 endpoint can be used to send a natural language product description to receive a full list of matches from the TIC data. Alternatively, we offer the 

 endpoint which can be searched using the same natural language input but the response will provide a single AI-powered TIC match. 

The Product Code Search feature provides an API endpoint to get a list of all applicable Product Codes (TICs) based on a natural language product description. The response will return a full list of all matches, ranked and scored by reliability of result. The receive a machine-learning powered recommendation of a single code, review our <a href="69399f9f1567672fba6edf8f/69b1e526ca0104c3015ec855" target="">Product Code Recommendation</a> endpoint.

The Product Code Search feature provides an API endpoint to get a list of all applicable Product Codes (TICs) based on a natural language product description. The response will return a full list of all matches, ranked and scored by reliability of result. The receive a machine-learning powered recommendation of a single code, review our 

Use the 'query' field to send your full text product description to receive a list of all applicable product codes matching your description. 

query

X-API-KEY

A link to the schema document for this response. 

$schema

Cursor-based pagination ID. Currently not used. 

nextCursor

A full description of the taxabilityCode line item.

description

documentation

The taxabilityCode label as-is from the TIC endpoint data.

label

A natural label refactored to align with the full description. 

naturalLabel

rank

A confidence score for the result. This is independent of the rank. 

score

The taxabilityCode to use in your Rate Request.

Sections

Product Code Search

Header Parameters

Body Parameters

Response

Response Attributes

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Sections

Product Code Search

Header Parameters

Body Parameters

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